CN118150307B - Test verification method for pressure-resistant structure of deep-sea composite material - Google Patents
Test verification method for pressure-resistant structure of deep-sea composite material Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 175
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012795 verification Methods 0.000 title claims abstract description 23
- 238000013461 design Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 39
- 238000007906 compression Methods 0.000 claims description 39
- 230000006378 damage Effects 0.000 claims description 23
- 230000003068 static effect Effects 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000009863 impact test Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000012669 compression test Methods 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000011056 performance test Methods 0.000 claims description 3
- 238000012999 compression bending Methods 0.000 claims 2
- 238000005728 strengthening Methods 0.000 claims 2
- 238000010205 computational analysis Methods 0.000 claims 1
- 230000001066 destructive effect Effects 0.000 claims 1
- 238000007656 fracture toughness test Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 230000002706 hydrostatic effect Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 241000237942 Conidae Species 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
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- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
一种深海复合材料耐压结构试验验证方法，它涉及一种耐压结构试验验证方法。本发明为了解决复合材料耐压结构失效模式繁多、失效机理复杂、难于准确预测的问题。本发明的步骤包括步骤1、制定试验验证初步方案；步骤2、材料级试验件及检测试验；步骤3、复合材料柱壳模型及试验；步骤4、复合材料板格模型及试验；步骤5、复合材料耐压结构缩比模型及试验。本发明属于深海潜水器结构设计技术领域。
A method for testing and verifying a deep-sea composite pressure-resistant structure, which relates to a method for testing and verifying a pressure-resistant structure. The present invention is to solve the problem that composite pressure-resistant structures have many failure modes, complex failure mechanisms, and are difficult to accurately predict. The steps of the present invention include step 1, formulating a preliminary test verification plan; step 2, material-level test pieces and detection tests; step 3, composite column shell model and test; step 4, composite plate grid model and test; step 5, composite pressure-resistant structure scaled model and test. The present invention belongs to the technical field of deep-sea submersible structure design.
Description
Technical Field
The invention relates to a pressure-resistant structure test verification method, and belongs to the technical field of deep-sea submersible structure design.
Background
The deep sea is a high point of development of ocean science and technology, realizes that the submergence depth is greatly increased, and is an important trend and target of development of deep sea diving equipment. The composite material is light in weight, high in strength and capable of being designed in performance, and is widely applied to navigation devices and diving devices. The load born by the submersible in the use environment mainly comprises deep sea hydrostatic pressure, wave load, operating load, high-low cycle fatigue load, collision impact load, explosion impact load and the like, wherein the deep sea hydrostatic pressure is the main loaded working condition of the composite pressure-resistant structure. Under deep sea hydrostatic pressure, the primary failure mode of the composite pressure resistant structure is stability failure, followed by strength failure. The stability damage mode of the composite pressure-resistant structure mainly comprises shell plate strength damage, primary annular rib reinforcing rib strength damage, secondary grid reinforcing rib strength damage, shell plate-reinforcing rib connecting interface strength damage, reinforcing rib connecting interface strength damage and the like. The mode of strength failure at different locations can be further subdivided into matrix tensile failure, matrix compressive failure, matrix shear failure, fiber tensile failure, fiber compressive failure, and the like. The composite pressure-resistant structure of the deep-sea submersible has the advantages of multiple failure modes, complex failure mechanism and difficult accurate prediction, and provides a great challenge for reliable evaluation of the bearing performance of the composite pressure-resistant structure, so that the lightweight and high-bearing design of the composite pressure-resistant structure is severely restricted. By establishing a set of test verification system of the pressure-resistant structure of the deep sea composite material, tests such as a composite material column shell, a composite material plate grid, a compression ratio model of the pressure-resistant structure of the composite material and the like are respectively utilized to evaluate the bearing performance of different parts of the pressure-resistant structure of the composite material under different failure modes, and the pressure-resistant structure of the composite material is guided to be light and designed and optimized with high bearing capacity.
In view of the foregoing, it is necessary to provide a test and verification method for the pressure-resistant structure of the deep-sea composite material.
Disclosure of Invention
The invention aims to solve the problems of multiple failure modes, complex failure mechanisms and difficult accurate prediction of a composite material pressure-resistant structure, and further provides a test verification method of the deep sea composite material pressure-resistant structure.
The invention adopts the technical proposal for solving the problems that the method comprises the following steps:
step 1, making a test verification preliminary scheme;
Step 2, a material-level test piece and a detection test;
step 3, a composite material column shell model and a test are carried out;
Step 4, a composite material plate model and a test are carried out;
And 5, a compression ratio model and a test of the compression ratio of the composite material compression-resistant structure.
Further, the step 1 of establishing a preliminary test and verification scheme specifically includes:
According to the concept scheme of the pressure-resistant structure of the composite material of the deep sea submersible, mechanical properties of typical parts of the pressure-resistant structure of the composite material are primarily mastered through calculation and analysis, and the material-level test piece test requirement, the composite material column shell model test requirement, the composite material plate model test requirement and the composite material pressure-resistant structure compression ratio model test requirement are provided, so that the design method and the design scheme of the pressure-resistant structure of the composite material are supported and verified.
Further, the step of the material-level test piece and the detection test in the step 2 specifically includes:
Step 201, designing a test piece and completing a detection test according to the test requirement of the material-level test piece and the standard and experience;
step 202, obtaining the elastic modulus of a composite material single-layer plate or a laminated plate through the tests of stretching, compressing, shearing, bending and the like of a material-level test piece;
step 203, obtaining the strength performance of the composite material single-layer plate or the laminated plate through tests such as stretching, compressing, shearing, bending, impacting, fracture toughness and the like.
Further, the step of the composite material column shell model and the test in the step 3 specifically comprises the following steps:
Step 301, completing design and manufacture of composite material column shells of a series of sizes and specification types according to the test requirements of the composite material column shell model;
Step 302, grasping macroscopic rigidity performance of the composite material laminated plate through a series of composite material column shell vibration performance tests;
Step 303, grasping the strength failure rule of the composite material shell under different stress states through a series of end supported composite material column shell static pressure failure tests;
step 304, grasping a transition rule between the strength damage and the stability damage of the composite material shell under the bidirectional compression load through a series of composite material column shell static pressure damage tests with slenderness ratio;
step 305, grasping the mechanical properties and failure modes of shells of different layering schemes through static pressure damage tests of composite material shells of different layering schemes;
step 306, grasping the strength and sealing performance of a composite material connecting interface through a composite material column shell, cone shell and spherical shell combined model static pressure damage test;
step 307, grasping the impact resistance and the explosion damage failure mode of the composite material shell through the underwater explosion impact test of the composite material column shell, the cone shell, the ball shell and other models.
Further, the step of the composite material plate grid model and the test in the step 4 specifically comprises the following steps:
Step 401, completing design and manufacture of composite material plate grid models with a series of dimension specifications according to test requirements of the composite material plate grid models;
Step 402, mastering the bearing capacity and failure mode of a composite pressure-resistant structure shell plate through a one-way compression test and a bending test of a midspan annular plate model and a midspan axial plate model with different sizes, and researching the influence rule of different design parameters on the mechanical characteristics of the shell plate;
step 403, mastering the bearing capacity and failure mode of the composite material pressure-resistant structure shell plate-reinforcing rib combined structure through a span end annular plate model and a span end axial plate model unidirectional compression test and a bending test with different sizes, and researching the influence rules of different design parameters on the mechanical characteristics of the shell plate-reinforcing rib combined structure.
Further, the step of the compression-resistant structure scaling model and the test of the composite material in the step 5 specifically comprises the following steps:
Step 501, completing the design and manufacture of a compression ratio model of the pressure-resistant structure of the composite material according to the test requirement of the compression ratio model of the pressure-resistant structure of the composite material;
step 502, grasping the ultimate bearing capacity and failure mode of a model through a static pressure damage test of a compression ratio model of a composite material pressure-resistant structure;
step 503, grasping fatigue performance, creep resistance and sealing connection performance of the model through experiments such as fatigue, creep and the like of the compression ratio model of the compression ratio structure of the composite material;
step 504, grasping the impact resistance of the model through an explosion impact test of the compression ratio model of the composite material compression structure.
The compression ratio model of the composite material compression structure comprises a composite material annular rib reinforcement compression model, a composite material multistage reinforcement compression model and other different types.
The invention has the beneficial effects that the method is different from the traditional test verification method of the metal ring rib reinforcement pressure-resistant structure, provides a method for evaluating the bearing performance of different parts and different failure modes of the pressure-resistant structure of the composite material through the test of the compression ratio model of the pressure-resistant structure of the composite material column shell, the composite material plate grid and the composite material plate grid, and provides the structural scheme, the specification type and the test type of the composite material column shell model and the composite material plate grid model, which is beneficial to solving the problems of multiple failure modes, complex failure mechanism and difficult accurate prediction of the pressure-resistant structure of the composite material and guiding the weight reduction, the high bearing design and the optimization of the pressure-resistant structure of the composite material.
Drawings
FIG. 1 is a schematic diagram of a test verification model of a pressure-resistant structure of a deep sea composite material;
FIG. 2 is a schematic illustration of a composite cylindrical shell model;
FIG. 3 is a schematic illustration of a composite panel model.
Detailed Description
The first embodiment describes the present embodiment with reference to fig. 1 to 3, and the method for verifying the pressure-resistant structure of the deep-sea composite material according to the present embodiment includes the steps of:
step 1, making a test verification preliminary scheme;
Step 2, a material-level test piece and a detection test;
step 3, a composite material column shell model and a test are carried out;
Step 4, a composite material plate model and a test are carried out;
And 5, a compression ratio model and a test of the compression ratio of the composite material compression-resistant structure.
In a second embodiment, referring to fig. 1 to 3, a preliminary scheme for making test verification in step1 of the test verification method for a withstand voltage structure of a deep sea composite material according to the present embodiment specifically includes:
According to the concept scheme of the pressure-resistant structure of the composite material of the deep sea submersible, mechanical properties of typical parts of the pressure-resistant structure of the composite material are primarily mastered through calculation and analysis, and the material-level test piece test requirement, the composite material column shell model test requirement, the composite material plate model test requirement and the composite material pressure-resistant structure compression ratio model test requirement are provided, so that the design method and the design scheme of the pressure-resistant structure of the composite material are supported and verified.
The third embodiment describes the method for verifying the pressure-resistant structure of the deep-sea composite material according to the present embodiment with reference to fig. 1 to 3, wherein the steps of the material-level test piece and the detection test in the step 2 specifically include:
Step 201, designing a test piece and completing a detection test according to the test requirement of the material-level test piece and the standard and experience;
step 202, obtaining the elastic modulus of a composite material single-layer plate or a laminated plate through the tests of stretching, compressing, shearing, bending and the like of a material-level test piece;
step 203, obtaining the strength performance of the composite material single-layer plate or the laminated plate through tests such as stretching, compressing, shearing, bending, impacting, fracture toughness and the like.
The detection test type comprises detection of tensile, compression, shearing, bending, impact and fracture toughness, and the material-level test piece detection test can acquire basic data such as elastic modulus, strength performance and the like of the composite material under unidirectional stress state, and is used for mechanical performance analysis, evaluation and optimization design of a support composite material column shell, a typical plate grid, a shrinkage ratio model and a real-scale structure.
In a fourth embodiment, referring to fig. 1 to 3, a step 3 of a test verification method for a pressure-resistant structure of a deep sea composite material according to the present embodiment specifically includes:
Step 301, completing design and manufacture of composite material column shells of a series of sizes and specification types according to the test requirements of the composite material column shell model;
Step 302, grasping macroscopic rigidity performance of the composite material laminated plate through a series of composite material column shell vibration performance tests;
Step 303, grasping the strength failure rule of the composite material shell under different stress states through a series of end supported composite material column shell static pressure failure tests;
step 304, grasping a transition rule between the strength damage and the stability damage of the composite material shell under the bidirectional compression load through a series of composite material column shell static pressure damage tests with slenderness ratio;
step 305, grasping the mechanical properties and failure modes of shells of different layering schemes through static pressure damage tests of composite material shells of different layering schemes;
step 306, grasping the strength and sealing performance of a composite material connecting interface through a composite material column shell, cone shell and spherical shell combined model static pressure damage test;
step 307, grasping the impact resistance and the explosion damage failure mode of the composite material shell through the underwater explosion impact test of the composite material column shell, the cone shell, the ball shell and other models.
The composite material column shell model test can obtain the strength failure mode, the stability failure mode and the transition rule between strength failure and stability failure of the composite material in a bidirectional stress state, is used for establishing the strength rule of the composite material, and supports the mechanical performance analysis, evaluation and optimization design of the typical plate grid, the scaling model and the real-scale structure of the composite material.
In a fifth embodiment, referring to fig. 1 to 3, a step 4 of the test verification method for a pressure-resistant structure of a deep sea composite material according to the present embodiment specifically includes:
Step 401, completing design and manufacture of composite material plate grid models with a series of dimension specifications according to test requirements of the composite material plate grid models;
Step 402, mastering the bearing capacity and failure mode of a composite pressure-resistant structure shell plate through a one-way compression test and a bending test of a midspan annular plate model and a midspan axial plate model with different sizes, and researching the influence rule of different design parameters on the mechanical characteristics of the shell plate;
step 403, mastering the bearing capacity and failure mode of the composite material pressure-resistant structure shell plate-reinforcing rib combined structure through a span end annular plate model and a span end axial plate model unidirectional compression test and a bending test with different sizes, and researching the influence rules of different design parameters on the mechanical characteristics of the shell plate-reinforcing rib combined structure.
The specification types of the composite material plate grid model mainly comprise a cross-middle annular plate grid model, a cross-middle axial plate grid model, a cross-end annular plate grid model, a cross-end axial plate grid model and the like.
The composite material plate grid model test can obtain the damage mode and mechanical property of the composite material pressure-resistant structure in the hydrostatic pressure state, and is used for supporting the mechanical property analysis evaluation and optimization design of the composite material scaling model and the real-scale structure.
In a sixth embodiment, referring to fig. 1 to 3, the step 5 of the test verification method for the withstand voltage structure of the deep sea composite material according to the present embodiment specifically includes:
Step 501, completing the design and manufacture of a compression ratio model of the pressure-resistant structure of the composite material according to the test requirement of the compression ratio model of the pressure-resistant structure of the composite material;
step 502, grasping the ultimate bearing capacity and failure mode of a model through a static pressure damage test of a compression ratio model of a composite material pressure-resistant structure;
step 503, grasping fatigue performance, creep resistance and sealing connection performance of the model through experiments such as fatigue, creep and the like of the compression ratio model of the compression ratio structure of the composite material;
step 504, grasping the impact resistance of the model through an explosion impact test of the compression ratio model of the composite material compression structure.
The compression ratio model of the composite material compression structure comprises a composite material annular rib reinforcement compression model, a composite material multistage reinforcement compression model and other different types.
The compression ratio model test of the composite material pressure-resistant structure can obtain static bearing characteristics, fatigue creep characteristics, explosion impact characteristics and the like of the composite material pressure-resistant structure under hydrostatic pressure, and is used for mechanical performance analysis evaluation and optimization design of the support composite material real-scale pressure-resistant structure.
The composite column shell model comprises a composite column shell, an end cover (metal or composite material) and the like. And two ends of the composite material column shell are respectively connected with the end covers in a sealing way to form a composite material column shell model.
The composite material plate mould comprises a composite material plate mould, an end steel groove and the like. And the two ends of the composite material plate grid are respectively connected with the end steel grooves through resin, resin quartz sand and the like to form the composite material plate grid model. The surface of the end steel groove is a test loading surface or a clamping surface.
The composite pressure-resistant structural shell plates and the reinforcing ribs are all made of composite materials.
The present invention is not limited to the preferred embodiments, and the present invention is described above in any way, but is not limited to the preferred embodiments, and any person skilled in the art will appreciate that the present invention is not limited to the embodiments described above, while the invention has been described with respect to specific examples including presently preferred modes of carrying out the invention, those skilled in the art will appreciate that there are numerous variations and permutations of the above described embodiments that fall within the spirit and scope of the invention as set forth in the appended claims.
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|---|---|---|---|---|
| AU2001262911A1 (en) * | 2000-03-06 | 2001-11-29 | Cidra Corporation | Temperature compensated bragg grating and associated optical devices |
| CN106844846A (en) * | 2016-12-15 | 2017-06-13 | 中国运载火箭技术研究院 | High temperature resistant composite structure multi-invalidation mode micromechanism of damage verification method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6621957B1 (en) * | 2000-03-16 | 2003-09-16 | Cidra Corporation | Temperature compensated optical device |
| US7118370B2 (en) * | 2002-08-30 | 2006-10-10 | The Boeing Company | Composite spar drape forming machine |
| CN107271257A (en) * | 2017-05-31 | 2017-10-20 | 昆明理工大学 | A kind of ECC formula design methods based on Micromechanics and fracture mechanics test |
| CN108548719B (en) * | 2018-03-07 | 2021-03-30 | 北京航空航天大学 | Method for testing interlayer normal strength of composite material |
| CN110274825B (en) * | 2019-07-17 | 2021-11-30 | 北京电子工程总体研究所 | Method for testing longitudinal compression performance of high-modulus carbon fiber reinforced resin matrix composite |
| KR20210078754A (en) * | 2019-12-19 | 2021-06-29 | 한국과학기술원 | Segment type ring burst test apparatus for mechanical properties evaluation of composite pressure vessels and its design method |
| CN116046539A (en) * | 2023-02-15 | 2023-05-02 | 深海技术科学太湖实验室 | Method for testing radial uniform compression of composite material ring |
| CN116432338A (en) * | 2023-03-10 | 2023-07-14 | 江苏科技大学 | Design method and structure for repairing internal damaged cylindrical pressure-resistant shell by adopting composite material |
| CN117451296B (en) * | 2023-10-11 | 2024-08-16 | 中国船舶集团有限公司第七一九研究所 | Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001262911A1 (en) * | 2000-03-06 | 2001-11-29 | Cidra Corporation | Temperature compensated bragg grating and associated optical devices |
| CN106844846A (en) * | 2016-12-15 | 2017-06-13 | 中国运载火箭技术研究院 | High temperature resistant composite structure multi-invalidation mode micromechanism of damage verification method |
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