CN109253322A - A kind of high-temperature oxidation resistant welded still pipe - Google Patents
A kind of high-temperature oxidation resistant welded still pipe Download PDFInfo
- Publication number
- CN109253322A CN109253322A CN201811054207.1A CN201811054207A CN109253322A CN 109253322 A CN109253322 A CN 109253322A CN 201811054207 A CN201811054207 A CN 201811054207A CN 109253322 A CN109253322 A CN 109253322A
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- weight shared
- outer layer
- tin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003647 oxidation Effects 0.000 title claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 42
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000004615 ingredient Substances 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000006004 Quartz sand Substances 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- 239000003365 glass fiber Substances 0.000 claims abstract description 21
- 229910052742 iron Inorganic materials 0.000 claims abstract description 21
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 15
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 229910003978 SiClx Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QJGQUHMNIGDVPM-BJUDXGSMSA-N Nitrogen-13 Chemical group [13N] QJGQUHMNIGDVPM-BJUDXGSMSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- QGZKDVFQNNGYKY-NJFSPNSNSA-N nitrogen-16 Chemical group [16NH3] QGZKDVFQNNGYKY-NJFSPNSNSA-N 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/08—Iron group metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
- C04B2235/3267—MnO2
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a kind of high-temperature oxidation resistant welded still pipes, it include: outer layer and internal layer, the outer layer is by glass fibre, silicon nitride, titanium dioxide and iron composition, the internal layer is by manganese dioxide, quartz sand, carbon and tin composition, parts by weight shared by each ingredient in the outer layer: 2-8 parts of glass fibre, 9-18 parts of silicon nitride, 12-18 parts and iron 20-30 parts of titanium dioxide, parts by weight shared by each ingredient in the internal layer: 4-12 parts of manganese dioxide, 20-30 parts of quartz sand, 1.1-1.8 parts and tin 0.8-1.6 parts of carbon, the outer layer is arranged in inner layer outer surface, and it is connected by way of seamless welding.By the above-mentioned means, high-temperature oxidation resistant welded still pipe provided by the invention, has good inoxidizability.
Description
Technical field
The present invention relates to technical field of metal material, more particularly to a kind of high-temperature oxidation resistant welded still pipe.
Background technique
With the continuous progress of science, the place for using welded still pipe is more and more extensive, and welded still pipe is in daily life
In served it is sizable, but now tube materials many on the market, antioxygenic property is poor, at high cost, is unable to satisfy people
Demand.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of high-temperature oxidation resistant welded still pipes, have good anti-oxidant
Property.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of high-temperature oxidation resistant welding is provided
Steel pipe, comprising: outer layer and internal layer, the outer layer are made of glass fibre, silicon nitride, titanium dioxide and iron, and the internal layer is by two
Manganese oxide, quartz sand, carbon and tin form, parts by weight shared by each ingredient in the outer layer: 2-8 parts of glass fibre, silicon nitride 9-
18 parts, 12-18 parts of titanium dioxide and 20-30 parts of iron, parts by weight shared by each ingredient in the internal layer: 4-12 parts of manganese dioxide,
20-30 parts of quartz sand, 1.1-1.8 parts of carbon and 0.8-1.6 parts of tin, the outer layer is arranged in inner layer outer surface, and passes through no seam weld
The mode connect connects.
In a preferred embodiment of the present invention, parts by weight shared by each ingredient in the outer layer: 2 parts of glass fibre, nitrogen
9 parts of SiClx, 12 parts of titanium dioxide and 20 parts of iron, parts by weight shared by each ingredient in the internal layer: 4 parts of manganese dioxide, quartz sand
20 parts, 1.1 parts of carbon and 0.8 part of tin.
In a preferred embodiment of the present invention, parts by weight shared by each ingredient in the outer layer: 3 parts of glass fibre, nitrogen
11 parts of SiClx, 13 parts of titanium dioxide and 21 parts of iron, parts by weight shared by each ingredient in the internal layer: 5 parts of manganese dioxide, quartz sand
21 parts, 1.2 parts of carbon and 0.9 part of tin.
In a preferred embodiment of the present invention, parts by weight shared by each ingredient in the outer layer: 5 parts of glass fibre, nitrogen
13 parts of SiClx, 14 parts of titanium dioxide and 22 parts of iron, parts by weight shared by each ingredient in the internal layer: 6 parts of manganese dioxide, quartz sand
23 parts, 1.4 parts of carbon and 1.1 parts of tin.
In a preferred embodiment of the present invention, parts by weight shared by each ingredient in the outer layer: 6 parts of glass fibre, nitrogen
14 parts of SiClx, 15 parts of titanium dioxide and 24 parts of iron, parts by weight shared by each ingredient in the internal layer: 7 parts of manganese dioxide, quartz sand
25 parts, 1.5 parts of carbon and 1.2 parts of tin.
In a preferred embodiment of the present invention, parts by weight shared by each ingredient in the outer layer: 7 parts of glass fibre, nitrogen
16 parts of SiClx, 16 parts of titanium dioxide and 26 parts of iron, parts by weight shared by each ingredient in the internal layer: 8 parts of manganese dioxide, quartz sand
26 parts, 1.6 parts of carbon and 1.5 parts of tin.
The beneficial effects of the present invention are: a kind of high-temperature oxidation resistant welded still pipe that the present invention points out, has good antioxygen
The property changed.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1: parts by weight shared by each ingredient in the outer layer: 2 parts of glass fibre, 9 parts of silicon nitride, titanium dioxide 12
Part and 20 parts of iron, parts by weight shared by each ingredient in the internal layer: 4 parts of manganese dioxide, 20 parts of quartz sand, 1.1 parts of carbon and tin 0.8
Part.
Embodiment 2: parts by weight shared by each ingredient in the outer layer: 3 parts of glass fibre, 11 parts of silicon nitride, titanium dioxide
13 parts and 21 parts of iron, parts by weight shared by each ingredient in the internal layer: 5 parts of manganese dioxide, 21 parts of quartz sand, 1.2 parts of carbon and tin
0.9 part.
Embodiment 3: parts by weight shared by each ingredient in the outer layer: 5 parts of glass fibre, 13 parts of silicon nitride, titanium dioxide
14 parts and 22 parts of iron, parts by weight shared by each ingredient in the internal layer: 6 parts of manganese dioxide, 23 parts of quartz sand, 1.4 parts of carbon and tin
1.1 part.
Embodiment 4: parts by weight shared by each ingredient in the outer layer: 6 parts of glass fibre, 14 parts of silicon nitride, titanium dioxide
15 parts and 24 parts of iron, parts by weight shared by each ingredient in the internal layer: 7 parts of manganese dioxide, 25 parts of quartz sand, 1.5 parts of carbon and tin
1.2 part.
Embodiment 5: parts by weight shared by each ingredient in the outer layer: 7 parts of glass fibre, 16 parts of silicon nitride, titanium dioxide
16 parts and 26 parts of iron, parts by weight shared by each ingredient in the internal layer: 8 parts of manganese dioxide, 26 parts of quartz sand, 1.6 parts of carbon and tin
1.5 part.
Test case:
Sample is exposed in the laboratory atmosphere of high temperature, weighing is taken out in sample hot environment after 1000 hours, can be calculated
The degree that scale is formed out.Corresponding oxidation is obtained by the weight change (milli gram/cm) after measurement high-temperature process
Test result.The average weight variation that each sample measures is as shown in table 1.
Table 1: high temperature antioxidant
Weight change (mg/cm2)
| Test temperature | 800℃ | 1000℃ |
| Embodiment 1 | 0.119 | 0.319 |
| Embodiment 2 | 0.126 | 0.325 |
| Embodiment 3 | 0.115 | 0.338 |
| Embodiment 4 | 0.127 | 0.330 |
| Embodiment 5 | 0.122 | 0.331 |
| Existing product | 0.371 | 0.886 |
In conclusion a kind of high-temperature oxidation resistant welded still pipe that the present invention points out, has good inoxidizability.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (6)
1. a kind of high-temperature oxidation resistant welded still pipe characterized by comprising outer layer and internal layer, the outer layer is by glass fibre, nitrogen
SiClx, titanium dioxide and iron composition, the internal layer are made of manganese dioxide, quartz sand, carbon and tin, each ingredient institute in the outer layer
Account for parts by weight: 2-8 parts of glass fibre, 9-18 parts of silicon nitride, 12-18 parts of titanium dioxide and 20-30 parts of iron, it is each in the internal layer
Parts by weight shared by ingredient: 4-12 parts of manganese dioxide, 20-30 parts of quartz sand, 1.1-1.8 parts of carbon and 0.8-1.6 parts of tin, it is described outer
Layer setting is connected in inner layer outer surface, and by way of seamless welding.
2. high-temperature oxidation resistant welded still pipe according to claim 1, which is characterized in that weight shared by each ingredient in the outer layer
Number: 2 parts of glass fibre, 9 parts of silicon nitride, 12 parts of titanium dioxide and 20 parts of iron is measured, parts by weight shared by each ingredient in the internal layer
Number: 4 parts of manganese dioxide, 20 parts of quartz sand, 1.1 parts of carbon and 0.8 part of tin.
3. high-temperature oxidation resistant welded still pipe according to claim 1, which is characterized in that weight shared by each ingredient in the outer layer
Number: 3 parts of glass fibre, 11 parts of silicon nitride, 13 parts of titanium dioxide and 21 parts of iron is measured, parts by weight shared by each ingredient in the internal layer
Number: 5 parts of manganese dioxide, 21 parts of quartz sand, 1.2 parts of carbon and 0.9 part of tin.
4. high-temperature oxidation resistant welded still pipe according to claim 1, which is characterized in that weight shared by each ingredient in the outer layer
Number: 5 parts of glass fibre, 13 parts of silicon nitride, 14 parts of titanium dioxide and 22 parts of iron is measured, parts by weight shared by each ingredient in the internal layer
Number: 6 parts of manganese dioxide, 23 parts of quartz sand, 1.4 parts of carbon and 1.1 parts of tin.
5. high-temperature oxidation resistant welded still pipe according to claim 1, which is characterized in that weight shared by each ingredient in the outer layer
Number: 6 parts of glass fibre, 14 parts of silicon nitride, 15 parts of titanium dioxide and 24 parts of iron is measured, parts by weight shared by each ingredient in the internal layer
Number: 7 parts of manganese dioxide, 25 parts of quartz sand, 1.5 parts of carbon and 1.2 parts of tin.
6. high-temperature oxidation resistant welded still pipe according to claim 1, which is characterized in that weight shared by each ingredient in the outer layer
Number: 7 parts of glass fibre, 16 parts of silicon nitride, 16 parts of titanium dioxide and 26 parts of iron is measured, parts by weight shared by each ingredient in the internal layer
Number: 8 parts of manganese dioxide, 26 parts of quartz sand, 1.6 parts of carbon and 1.5 parts of tin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054207.1A CN109253322A (en) | 2018-09-11 | 2018-09-11 | A kind of high-temperature oxidation resistant welded still pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054207.1A CN109253322A (en) | 2018-09-11 | 2018-09-11 | A kind of high-temperature oxidation resistant welded still pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253322A true CN109253322A (en) | 2019-01-22 |
Family
ID=65047485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811054207.1A Pending CN109253322A (en) | 2018-09-11 | 2018-09-11 | A kind of high-temperature oxidation resistant welded still pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253322A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405355A (en) * | 2001-08-04 | 2003-03-26 | 山东科技大学机械电子工程学院 | Method for depositing paint-coat of metal surface, especially for gradient paint-coat |
| CN107032815A (en) * | 2017-03-31 | 2017-08-11 | 长乐巧通工业设计有限公司 | High ceramic material of a kind of compression strength and preparation method thereof |
| CN107824819A (en) * | 2017-12-19 | 2018-03-23 | 苏州中骏木工机械配件有限公司 | A kind of high intensity wear-resistant cutting tool |
-
2018
- 2018-09-11 CN CN201811054207.1A patent/CN109253322A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405355A (en) * | 2001-08-04 | 2003-03-26 | 山东科技大学机械电子工程学院 | Method for depositing paint-coat of metal surface, especially for gradient paint-coat |
| CN107032815A (en) * | 2017-03-31 | 2017-08-11 | 长乐巧通工业设计有限公司 | High ceramic material of a kind of compression strength and preparation method thereof |
| CN107824819A (en) * | 2017-12-19 | 2018-03-23 | 苏州中骏木工机械配件有限公司 | A kind of high intensity wear-resistant cutting tool |
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Application publication date: 20190122 |