CN101554649A - Fine forming equipment of coating material which is pressed, ejected, core-filled and continuously casted and technique - Google Patents
Fine forming equipment of coating material which is pressed, ejected, core-filled and continuously casted and technique Download PDFInfo
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- CN101554649A CN101554649A CNA2009100847318A CN200910084731A CN101554649A CN 101554649 A CN101554649 A CN 101554649A CN A2009100847318 A CNA2009100847318 A CN A2009100847318A CN 200910084731 A CN200910084731 A CN 200910084731A CN 101554649 A CN101554649 A CN 101554649A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 title description 3
- 238000000576 coating method Methods 0.000 title description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract description 198
- 239000002184 metal Substances 0.000 claims abstract description 198
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 238000009749 continuous casting Methods 0.000 claims abstract description 24
- 238000005253 cladding Methods 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract 2
- 238000005266 casting Methods 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 3
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- 239000007921 spray Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 244000144985 peep Species 0.000 claims 2
- 238000005058 metal casting Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 description 18
- 238000007710 freezing Methods 0.000 description 18
- 229910045601 alloy Inorganic materials 0.000 description 14
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- 150000001875 compounds Chemical class 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
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- 238000010438 heat treatment Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002905 metal composite material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
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- 238000010297 mechanical methods and process Methods 0.000 description 2
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- 230000001105 regulatory effect Effects 0.000 description 2
- -1 tin metal compound Chemical class 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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Abstract
一种包复材料受压顶出充芯连铸精细成形设备与工艺，属于金属材料中的压力加工领域。设备由上下结晶器、测温仪、芯部金属控温炉、外层金属控温炉、充芯管、压力罩、托板、二次冷却装置、限位装置、压力传感器、退让装置组成；外层金属结晶器和芯部金属液充芯管沿连铸方向配置于同一轴线上；芯部金属液充芯管上端与芯部金属控温坩锅连接，下端深入外层金属液中，由芯部金属液充芯管隔离外层和芯部金属液，形成外层金属型芯，浇注芯部金属液。压力罩与托板边端连接，托板内侧与下控温结晶器连接；外层金属铸坯由压力罩内气体施加压力顶出。本发明消除了一般连铸坯中易出现的裂纹、振痕，可以一次连续铸造包复材料，获得高质量的复合界面，后续加工生产成本低、效率高。
The invention discloses a fine forming equipment and process of core-filling continuous casting for pressure ejection of cladding materials, which belongs to the field of pressure processing in metal materials. The equipment consists of upper and lower crystallizers, temperature measuring instruments, core metal temperature control furnace, outer metal temperature control furnace, core filling tube, pressure cover, supporting plate, secondary cooling device, limit device, pressure sensor, and retreat device; The outer metal crystallizer and the core liquid metal filling tube are arranged on the same axis along the continuous casting direction; the upper end of the core metal liquid filling core tube is connected with the core metal temperature control crucible, and the lower end goes deep into the outer metal liquid, by The core metal liquid filling tube isolates the outer layer and the core metal liquid to form the outer metal core and pour the core metal liquid. The pressure cover is connected to the side end of the supporting plate, and the inner side of the supporting plate is connected to the lower temperature-controlled crystallizer; the outer layer metal billet is pushed out by the pressure of the gas in the pressure cover. The invention eliminates the cracks and vibration marks that are easy to appear in the general continuous casting slab, can cast the cladding material continuously at one time, obtains a high-quality composite interface, and has low production cost and high efficiency for subsequent processing.
Description
Technical field
The invention belongs to the pressure processing field in the metal material, a kind of equipment and technology that the material pressurized ejects core-filled and continuously casted fine forming that clads is provided.
Background technology
Because development of high-tech has promoted the development of new material to the harsh requirement of material.Composite can be brought into play it and form raw-material synergy, and very big material design freedom is arranged again simultaneously, so development is very fast.They are not only extensive further on range of application, and on ornamental, electric conductivity, thermal conductivity, corrosion-proof wear and mechanical property, be improved, more reasonable and the manufacturing cost reduction of selection, structure and function integration become the potential advantages that this class material deeply develops.
Now, the method for the large-scale industrial production of composite mainly contains Mechanical Method, plastic deformation method, metallurgy method.Mechanical Method is divided into edge cover, hydraulic extend pipe again, (see: Japan stretches copper association and compiles in drawing, copper お I ぴ copper alloy basis と industrial technology, (1988), method such as p.190-192), its characteristics are mechanical bond for the interface of each composite bed, interface bond strength is low, and is not suitable for the preparation of long size cladding material; The plastic deformation method (see: Chen Yongfu etc., the light-alloy process technology, Vol.24, No.11 (1996), p.3; Wei Yuezhen, composite, China Machine Press, (1987), p.146) though can realize metallurgical binding, obtain non-scale, do not have be mingled with, the compound interface of cleaning is often very difficult fully, and plastic deformation method's production technology is generally very complicated, the production cost height.
Metallurgical junction is legal reverse solidification method, cladding continuous metal cast process, multilayer materials one-step casting forming process.The reverse solidification method (is seen: permitted medium wave, special steel, 18 volume supplementary issues, p.15) be that the cladding molten metal is attached to the internal solids metal freezing, the method helps solidifying the rolling of feeding and casting roller, but well compound in order to guarantee cladding and master tape interface, remove the control master tape and immerse time, the cladding metal degree of superheat.Outside the master tape original thickness key process parameter, also need master tape is carried out preliminary treatment.If the interface pretreating effect is bad, perhaps after the preliminary treatment because of can not use and oxidized or pollute at once, the interface can't be well compound.The cladding continuous metal cast process (see: improve people's living condition by the Yamamoto, the clear 57-196464 patent of Japan) be that the cladding molten metal is attached to the internal solids metal freezing, the method helps the feeding of solidifying of cladding molten metal, well compound in order to guarantee cladding and plug interface, except that key process parameters such as control pouring temperature, heater power, preheater power, pulling rate, also need brushing one deck glass powder-type coating on the plug, oxidized to prevent plug, if it is bad that the interface prevents oxidation effectiveness, coating can not float fully when perhaps cladding metal, and the interface can't be well compound.Multilayer materials one-step casting forming process (see: thank build new etc., multilayer materials one-step casting former and technology, Chinese patent: 98101042.3), adopt measures such as oxidation protection cover, in the surperficial non-oxidation of continuous casting core, do not have be mingled with, under the condition of no greasy dirt, hot direct continuous casting cladding, but the method is difficult to control to the situation that the cladding melting point metal is higher than the core melting point metal, is unfavorable for that high performance outer layer metal fusing point is higher than the large-scale application that core immerses the composite of fusing point.
A kind of one-step casting forming process that clads material (is seen: Wu Chunjing etc., a kind of one-step casting former and technology that clads material, Chinese patent, 01109076.6) adopt two firing equipments up and down, core metal and outer layer metal are being melted in two heaters up and down respectively, when the temperature in two heaters reaches the temperature of regulation, under the dummy bar effect of motor power traction, the traction outer sphere molten metal enters crystallizer, in crystallizer and mozzle, form outer layer metal tube, core metal liquid enters in the outer layer metal tube thereupon, realizes the compound of core metal and outer layer metal then under certain pulling rate.Because cohesive force and frictional force still exist, and certainly exist tension in the strand, it is that the micro-crack main cause takes place.Owing to the tension reason in discontinuous, the strand of the wearing and tearing of the gap movingly of oscillation mark, mold oscillation and crystallizer, process of setting, the method is not suitable for preparing accurate continuous casting billet, below external diameter Φ 15～20mm, the continuously cast billet for pipe-making of wall thickness 1.0～3mm.
Summary of the invention
The objective of the invention is to develop a kind of short flow process, energy-conservation, cheap, be suitable for large-scale industrial production, and a kind of cladding material pressurized that the outer layer metal fusing point that can obtain to clean fully compound interface is higher than the core melting point metal ejects core-filled and continuously casted fine forming equipment and technology.
A kind of cladding material pressurized ejects core-filled and continuously casted fine forming equipment, by last temperature measurer, and core metal liquid, core metal temperature control crucible, the core metal temperature control furnace, following temperature measurer, following temperature control crystallizer, outer layer metal temperature control furnace, outer layer metal, core metal liquid fills the core pipe, outer layer metal solid liquid interface, pressure shield, last temperature control crystallizer, following temperature control crystallizer, outer layer metal crystallizer, secondary cooling apparatus, stopping means, pressure sensor, make a concession device, spy-hole, supporting plate constitutes.Last temperature control crystallizer and core metal liquid fill the core pipe and are assemblied on the same axis along the continuous casting direction; Core metal liquid fills core pipe upper end and closely is connected with the core metal temperature control furnace, and core metal liquid fills the lower end of core pipe and gos deep in the outer sphere molten metal, fills the core pipe by core metal liquid and isolates outer and core metal liquid, forms the outer layer metal core, cast core metal liquid.Last temperature control crystallizer upper end closely is connected with outer layer metal temperature control crucible, and pressure shield is connected with supporting plate limit end, and supporting plate is inboard to be connected with following temperature control crystallizer; The outer layer metal strand is exerted pressure by pressure shield and is ejected.
Wherein upper and lower temperature measurer adopts infrared measurement of temperature or thermocouple temperature measurement; Core metal temperature control furnace and outer layer metal temperature control furnace adopt inductance heating or resistance heated; Core metal temperature control crucible and outer layer metal temperature control crucible can adopt materials such as refractory material, graphite, pottery (containing metal pottery), high temperature alloy, steel, iron to make, and the freezing point that generally is controlled at respective metal or alloy is to 500 ℃ scope more than the freezing point; Core metal liquid fills the core pipe, can adopt materials such as refractory material, graphite, pottery (containing metal pottery), high temperature alloy, steel, iron to make; The outer layer metal crystallizer can adopt water-cooled metal mould, high temperature alloy, steel, iron, refractory material, graphite, pottery (containing metal pottery); Pressure shield can feed N
2, CO
2, H
2Secondary cooling apparatus adopts water spray, blowing, cooling naturally.
Outer layer metal melts in outer metal temperature-control stove and is incubated, and injects by the pressure shield pressing mode and to fill the interior crystallizer that core tube wall constitutes by last temperature control crystallizer and core metal liquid and be frozen into metal tube.Core metal melts in the core metal temperature control furnace and is incubated, and fills the core pipe orifice by core metal liquid and is filled in the outer layer metal pipe orifice that has solidified, and in following temperature control crystallizer, core metal and outer layer metal inside pipe wall fuse and be frozen into compound base.Outer layer metal crystallizer and core metal liquid fill the core pipe and are disposed on the same axis along the continuous casting direction, core metal liquid fills core pipe upper end and closely is connected with core metal temperature control crucible, core metal liquid fills the lower end of core pipe and gos deep in the outer sphere molten metal, fill the core pipe by core metal liquid and isolate outer and core metal liquid, form the outer layer metal core, cast core metal liquid.
Pressure shield is connected with supporting plate limit end, and supporting plate is inboard to be connected with following temperature control crystallizer; The outer layer metal strand is exerted pressure by gas in the pressure shield and is ejected, and when inner layer metal liquid fills type when better, also can only pressurize to outer layer metal.
The setting temperature of continuous casting outer layer metal tube is mainly by last temperature control crystallizer control, and the combined temp of outer layer metal inside pipe wall and core metal is mainly by temperature control crystallizer control down.The speed of continuous casting is made a concession device strand is not produced pulling force by making a concession device control, constitutes compression system to strand with pressure shield.When making a concession the device yielding, strand is forced out from crystallizer.Can observe core-filled and continuously casted situation by spy-hole, the big I of pressure is regulated by the pressure reduction and the pressure shield parameter of molten metal height.The freezing point that the temperature of metal temperature-control crucible is controlled at respective metal or alloy is to 500 ℃ scope more than the freezing point.
The present invention compares the beneficial effect that is had with prior art and is
(1) adopting the interior gas of pressure shield to exert pressure ejects, strand in crystallizer mainly bears axial compression stress, strand is ejected by the pressure that pressure shield produces, rather than be drawn out, the crackle, the oscillation mark that are prone in the general continuous casting billet have been eliminated like this, can the one-time continuous casting clad material, obtain high-quality compound interface, the following process production cost is low, efficient is high.
(2) outer layer metal is filled in the casting mold that the core pipe constitutes by outer layer metal crystallizer and core metal liquid and is frozen into outer layer metal tube, simultaneously core metal liquid fills the core pipe by core metal liquid and is poured in the outer layer metal tube with its fusion and solidifies, thereby realizes that the outer layer metal fusing point is higher than the composite continuous cast form method of core metal fusing point.The outer layer metal fusing point that method of the present invention can be used for various metals and metal, Metal and Alloy, alloy and alloy is higher than the cladding material of core metal fusing point, the cast form of parts, reaches short flow process, energy saving purposes.
(3) lower end of adopting core metal liquid to fill the core pipe is deep in the outer layer metal, fill the core pipe by core metal liquid and isolate outer and core metal liquid, form the core of outer layer metal, pour into a mould core metal liquid simultaneously, make outer layer metal tube behind the disengaging interior crystallizer that is shaped, directly contact with the core metal liquid that fills core, no matter be the inwall of outer layer metal tube pipe, or the core metal liquid that contacts with the inwall of outer layer metal tube pipe, all isolate fully with air, the compound interface oxide-free, nothing is mingled with, do not have greasy dirt that is prone in the general processing method etc. yet, improve the quality of composite greatly, productivity ratio and economic benefit.
(4) outer layer metal and core metal liquid are respectively by temperature control crucible and heating element heater, temperature measurer insulation and heating, the core metal temperature is regulated its combined temp by outer layer metal, can realize the setting rate adjusting of outer layer metal and core metal liquid effectively, to guarantee steady and continuous cast form.
(5) subsequent machining technology simplify, the efficient height, the meticulous compound base of high-quality can directly be gone up middle-size and small-size drawbench, directly pulls into≤the compound base of Φ 1mm.Because outer layer metal has excellent metallurgical with the inner layer metal interface and combines, do not need by hale pull out the distortion and heat treatment improve the interface composite quality, therefore both can directly adopt the small dimension blank on middle-size and small-size drawbench, to be shaped, reduce drawing passes, heat treated purpose only need be considered to eliminate stress simultaneously, and need not carry out Diffusion Welding in higher temperature with under than the long time, improved production efficiency.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is an equipment structure chart of the present invention.
1. go up temperature measurer, 2. core metal liquid, 3. core metal temperature control crucible, 4. core metal temperature control furnace, 5. descend temperature measurer, 6. descend the temperature control crystallizer, 7. outer layer metal temperature control furnace, 8. outer layer metal, 9. core metal liquid fills the core pipe, 10. outer layer metal solid liquid interface, 11. pressure shield, 12. last temperature control crystallizer, 13. times temperature control crystallizers, 14. outer layer metal crystallizers, 15. secondary cooling apparatus, 16. stopping means, 17. pressure sensors, 18. the yielding device, 19. spy-holes, 20. supporting plates.
Fig. 2 is the equipment structure chart of pressure shield of the present invention outside core metal liquid.
When inner layer metal liquid fills type when better, also can pressure shield be moved down only to the outer layer metal pressurization, as shown in Figure 2, each parts is identical with Fig. 1.
The specific embodiment
Embodiment one:
Sheath tin composite material pressurized ejects core-filled and continuously casted shaping.
Sheath tin metal compound bar overall diameter 12mm, outer lead metal thickness 2mm, upper and lower temperature measurer 1,5 adopts thermocouple temperature measurement; Core metal temperature control furnace and outer layer metal temperature control furnace adopt resistance heated, and core metal temperature control crucible 3, last temperature control crystallizer 12, outer layer metal temperature control crucible 6 and core metal liquid fill core pipe 9 and all adopts No. 45 steel to make; Bubbling air in the pressure shield, pressure is 0.03MPa, and secondary cooling apparatus 15 adopts the blowing cooling, and its speed is 3m/s; The freezing point that the temperature of core metal temperature control crucible 3 is controlled at corresponding its metal or alloy is to 100 ℃ scope more than the freezing point; The freezing point that the temperature of outer layer metal temperature control crucible 6 is controlled at corresponding its metal or alloy is to 80 ℃ scope more than the freezing point, the cooling water flow velocity of control water-cooled metal mould crystallizer 14 is 4m/s, regulate continuous casting casting speed V=30mm/min, can obtain high-quality continuous casting lead/tin metal composite bar.Result of the test shows: sample interface is in conjunction with densification, and faying face is neat, and the composite bed width is approximately 0.2mm, has realized metallurgical binding well.
Embodiment two:
Copper cover aluminum composite pressurized ejects core-filled and continuously casted shaping.
Copper cover aluminum metal composite rod overall diameter 12mm, outer copper metal thickness 3mm, upper and lower temperature measurer 1,5 adopts thermocouple temperature measurement; Core metal temperature control furnace 4 adopts resistance heated, and outer layer metal temperature control furnace 7 adopts eddy-current heating; Core metal temperature control crucible 3, outer layer metal temperature control crucible 6 and core metal liquid fill core pipe 9 and all adopt graphite to make; Last temperature control crystallizer 12 adopts water-cooled metal mould crystallizer liner graphite to make; Feed N in the pressure shield
2, pressure is 0.15MPa, secondary cooling apparatus 15 adopts the blowing cooling; Its speed is 4m/s, and the freezing point that the temperature of core metal temperature control crucible 3 is controlled at corresponding its metal or alloy is to 200 ℃ scope more than the freezing point; The freezing point that the temperature of outer layer metal temperature control crucible 6 is controlled at corresponding its metal or alloy is to 100 ℃ scope more than the freezing point, the cooling water flow velocity of control water-cooled metal mould crystallizer 14 is 8m/s, regulate continuous casting casting speed V=25mm/min, can obtain high-quality continuous casting copper cover aluminum metal composite bar.
Embodiment three:
Stainless steel iron clad composite pressurized ejects core-filled and continuously casted shaping.
Stainless steel/ferrous metal compound bar overall diameter 12mm, outer stainless steel metal thickness 3mm.Upper and lower temperature measurer 1,5 adopts infrared measurement of temperature; Core metal temperature control furnace and outer layer metal temperature control furnace adopt eddy-current heating; Core metal temperature control crucible 3 adopts graphite to make; Outer layer metal temperature control crucible 6 adopts mgo refractory to make; Core metal liquid fills core pipe 9 and adopts ZrO
2Pottery is made; Last crystallizer 12 adopts the water-cooled copper metal crystallizer to make; Secondary cooling apparatus 15 adopts the water spray cooling; Its speed is 5m/s, feeds N in the pressure shield
2, pressure is 0.20MPa, the freezing point that the temperature of core metal temperature control crucible 3 is controlled at corresponding its metal or alloy is to 80 ℃ scope more than the freezing point; The freezing point that the temperature of outer layer metal temperature control crucible 6 is controlled at corresponding its metal or alloy is to 50 ℃ scope more than the freezing point, the cooling water flow velocity of control water-cooled metal mould crystallizer 12 is 12m/s, regulate continuous casting casting speed V=25mm/min, can obtain high-quality continuous casting stainless steel/ferrous metal composite bar.
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| CN200910084731A CN101554649B (en) | 2009-05-19 | 2009-05-19 | A kind of equipment and process for fine forming of clad material by pressure ejection, core-filling continuous casting |
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| CN200910084731A CN101554649B (en) | 2009-05-19 | 2009-05-19 | A kind of equipment and process for fine forming of clad material by pressure ejection, core-filling continuous casting |
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Cited By (8)
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| CN102069162A (en) * | 2011-02-24 | 2011-05-25 | 北京科技大学 | Continuous casting forming equipment and process method for electromagnetic ejection filling core of cladding material |
| CN102179494A (en) * | 2011-04-21 | 2011-09-14 | 东北大学 | Continuous casting method and device for aluminum alloy compounded ingot |
| CN102581236A (en) * | 2012-04-06 | 2012-07-18 | 北京科技大学 | Pressure core-filling continuous casting equipment and process for double-metal-bag long carbon fiber composite material |
| CN104399915A (en) * | 2014-12-05 | 2015-03-11 | 西南铝业（集团）有限责任公司 | Crystallizer for casting aluminum alloy slab ingots |
| CN105834406A (en) * | 2016-06-08 | 2016-08-10 | 华北理工大学 | Extrusion forming device for composite casting of semi-solid metal slurry and liquid metal melt |
| CN106111922A (en) * | 2016-06-28 | 2016-11-16 | 北京科技大学 | A kind of copper-coated aluminium composite material high efficiency continuous casting former and technique |
| CN107812904A (en) * | 2017-10-30 | 2018-03-20 | 辽宁忠旺集团有限公司 | A kind of more metal step type compound casting devices and method |
| CN108015246A (en) * | 2017-12-28 | 2018-05-11 | 中铁建电气化局集团康远新材料有限公司 | A kind of passage right angle such as big plasticity Copper steel cladding contact line continuous casting continuous extrusion apparatus and its technique |
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| CN1120068C (en) * | 2001-02-28 | 2003-09-03 | 北京科技大学 | Apparatus and technology for one-step casting and continuously shaping wrapping material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102069162A (en) * | 2011-02-24 | 2011-05-25 | 北京科技大学 | Continuous casting forming equipment and process method for electromagnetic ejection filling core of cladding material |
| CN102179494A (en) * | 2011-04-21 | 2011-09-14 | 东北大学 | Continuous casting method and device for aluminum alloy compounded ingot |
| CN102581236A (en) * | 2012-04-06 | 2012-07-18 | 北京科技大学 | Pressure core-filling continuous casting equipment and process for double-metal-bag long carbon fiber composite material |
| CN104399915A (en) * | 2014-12-05 | 2015-03-11 | 西南铝业（集团）有限责任公司 | Crystallizer for casting aluminum alloy slab ingots |
| CN105834406A (en) * | 2016-06-08 | 2016-08-10 | 华北理工大学 | Extrusion forming device for composite casting of semi-solid metal slurry and liquid metal melt |
| CN105834406B (en) * | 2016-06-08 | 2017-11-10 | 华北理工大学 | The extrusion forming device of semi-solid metal slurry and melted metal composite casting |
| CN106111922A (en) * | 2016-06-28 | 2016-11-16 | 北京科技大学 | A kind of copper-coated aluminium composite material high efficiency continuous casting former and technique |
| CN107812904A (en) * | 2017-10-30 | 2018-03-20 | 辽宁忠旺集团有限公司 | A kind of more metal step type compound casting devices and method |
| CN107812904B (en) * | 2017-10-30 | 2020-01-31 | 辽宁忠旺集团有限公司 | multi-metal step-type composite casting device and method |
| CN108015246A (en) * | 2017-12-28 | 2018-05-11 | 中铁建电气化局集团康远新材料有限公司 | A kind of passage right angle such as big plasticity Copper steel cladding contact line continuous casting continuous extrusion apparatus and its technique |
| CN108015246B (en) * | 2017-12-28 | 2023-10-27 | 中铁建电气化局集团康远新材料有限公司 | Equal-channel right-angle copper steel composite contact line continuous casting continuous extrusion equipment and process thereof |
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