WO2023028994A1 - Environment-friendly lightweight alloy material for production of electric vehicle undertray - Google Patents
Environment-friendly lightweight alloy material for production of electric vehicle undertray Download PDFInfo
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- WO2023028994A1 WO2023028994A1 PCT/CN2021/116467 CN2021116467W WO2023028994A1 WO 2023028994 A1 WO2023028994 A1 WO 2023028994A1 CN 2021116467 W CN2021116467 W CN 2021116467W WO 2023028994 A1 WO2023028994 A1 WO 2023028994A1
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- alloy material
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- alloy
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- electric vehicles
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- 239000000956 alloy Substances 0.000 title claims abstract description 128
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000010453 quartz Substances 0.000 claims abstract description 46
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 239000012535 impurity Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 238000001192 hot extrusion Methods 0.000 claims abstract description 8
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 8
- 239000011777 magnesium Substances 0.000 claims abstract description 8
- 238000007670 refining Methods 0.000 claims abstract description 8
- 239000010936 titanium Substances 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 36
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 238000007872 degassing Methods 0.000 claims description 8
- 238000005242 forging Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 abstract description 6
- 238000003723 Smelting Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910021365 Al-Mg-Si alloy Inorganic materials 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- 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
- C22C49/04—Light metals
- C22C49/06—Aluminium
Definitions
- the invention relates to the technical field of production of lower trays of electric vehicles, in particular to an environmentally friendly and lightweight alloy material used for the production of lower trays of electric vehicles.
- Alloy materials have the characteristics of light weight and easy recycling. They are environmentally friendly and can reduce production costs through recycling. Reduce the weight of the vehicle body to significantly reduce the energy consumption of the car.
- the existing alloy materials still have deficiencies.
- the Al-Mg-Si alloy materials represented by the 6005 brand have low strength during actual use, especially when they are impacted.
- the lower tray made of material is very prone to cracking.
- the present invention provides an environmentally friendly and lightweight alloy material for the production of lower trays of electric vehicles, which solves the shortcomings of the existing alloy materials proposed in the above-mentioned background technology, represented by the 6005 grade
- the Al-Mg-Si alloy material in the actual use process has low strength, especially when it is impacted, and the lower tray made of the Al-Mg-Si alloy material is very prone to cracking.
- an environmentally friendly and lightweight alloy material used for the production of the lower tray of electric vehicles the composition and mass percentage of the alloy material are as follows:
- An environmentally friendly and lightweight alloy material for the production of the lower tray of an electric vehicle includes the following production steps:
- the quartz rod or tube is melted and drawn with a hydrogen-oxygen flame, and then blown with a hydrogen-oxygen flame blowpipe to make a quartz cotton thread with a diameter of 0.7-1 ⁇ m, and weave the quartz cotton thread to obtain a quartz fiber mesh;
- Two alloy rods are heated and extruded to obtain a flat alloy plate, and then the quartz fiber mesh is placed on the surface of an alloy plate, so that the two alloy plates are overlapped and fused under heating to form an alloy plate, and then The finished alloy material can be obtained by cooling and quenching.
- the pore size on the surface of the quartz fiber mesh is less than or equal to 1 mm, and the softening temperature of the quartz fiber mesh is 1700 degrees Celsius.
- the quartz fiber mesh can be used for a long time in an environment of 600-1050 degrees Celsius.
- the melting temperature is 750-800 degrees Celsius
- the refining temperature is 700-750 degrees Celsius
- the refining time is 17-22 minutes.
- the weight error of the two alloy rods is less than or equal to 30g.
- the casting temperature is 680-710 degrees Celsius, and the casting speed is 65-90 mm/min.
- the alloy rod is heated to 500-520 degrees Celsius for hot extrusion molding, and the extrusion speed is 9-15 m/min.
- the temperature of the two alloy plates is 600-630 degrees Celsius when welding, and the alloy plates are hammered during welding.
- the alloy material is applied in the field of electric vehicle lower tray production.
- the invention provides an environmentally friendly and lightweight alloy material for the production of lower trays of electric vehicles, which has the following beneficial effects:
- This environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles.
- Magnesium can improve the corrosion resistance of the alloy material
- manganese can improve the strength of the alloy material
- silicon can improve the fluidity of the alloy material so as to reduce the corrosion resistance of the alloy material.
- the processing difficulty of the material, copper can improve the machinability, tensile strength and impact toughness of the alloy material, and the increased flexibility of the alloy material with titanium can further improve the toughness of the alloy material and reduce the possibility of cracking, and through quartz
- the setting of the fiber mesh can improve the mechanical properties of the lower tray made of the alloy material, that is, when the lower tray made of the alloy material is impacted and ruptures, the quartz fiber mesh can reduce the risk of the broken part falling off. Possibility, so that there is still a connection between the fragmented parts.
- the invention provides a technical solution: an environmentally friendly and lightweight alloy material used for the production of lower trays of electric vehicles.
- the composition and mass percentage of the alloy material are as follows:
- An environmentally friendly and lightweight alloy material for the production of the lower tray of an electric vehicle includes the following production steps:
- the quartz rod or tube is melted and drawn with a hydrogen-oxygen flame, and then blown with a hydrogen-oxygen flame blowpipe to make a quartz cotton thread with a diameter of 0.7-1 ⁇ m, and weave the quartz cotton thread to obtain a quartz fiber mesh;
- Two alloy rods are heated and extruded to obtain a flat alloy plate, and then the quartz fiber mesh is placed on the surface of an alloy plate, so that the two alloy plates are overlapped and fused under heating to form an alloy plate, and then The finished alloy material can be obtained by cooling and quenching.
- step S1 the pore size on the surface of the quartz fiber mesh is less than or equal to 1 mm, and the softening temperature of the quartz fiber mesh is 1700 degrees Celsius.
- the quartz fiber screen can be used for a long time under the environment of 600-1050 degrees Celsius.
- step S2 the melting temperature is 750-800 degrees Celsius, the refining temperature is 700-750 degrees Celsius, and the refining time is 17-22 minutes.
- step S4 the weight error of the two alloy rods is less than or equal to 30g.
- step S4 the casting temperature is 680-710 degrees Celsius, and the casting speed is 65-90 mm/min.
- step S5 the alloy rod is heated to 500-520 degrees Celsius for hot extrusion molding, and the extrusion speed is 9-15m/min.
- step S5 the temperature of the two alloy plates is 600-630 degrees Celsius when welding, and the alloy plates are hammered during welding.
- Alloy materials are used in the production of lower trays for electric vehicles.
- This environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles.
- Magnesium can improve the corrosion resistance of the alloy material
- manganese can improve the strength of the alloy material
- silicon can improve the fluidity of the alloy material so as to reduce the corrosion resistance of the alloy material.
- the processing difficulty of the material, copper can improve the machinability, tensile strength and impact toughness of the alloy material, and the increased flexibility of the alloy material with titanium can further improve the toughness of the alloy material and reduce the possibility of cracking, and through quartz
- the setting of the fiber screen can improve the mechanical properties of the lower tray made of the alloy material, that is, when the lower tray made of the alloy material is impacted and ruptures, the quartz fiber screen can reduce the risk of the broken part falling off. Possibility, so that there is still a connection between the fragmented parts.
- this environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles.
- the composition and mass percentage of the alloy material are as follows:
- An environmentally friendly and lightweight alloy material for the production of the lower tray of an electric vehicle includes the following production steps:
- Quartz fiber screen preparation melt and draw quartz rods or tubes with an oxygen-hydrogen flame, and then blow them with an oxygen-hydrogen flame blowpipe to make quartz cotton wires with a diameter of 0.7-1 ⁇ m, and weave the quartz cotton wires to obtain quartz fiber screens;
- Melting is carried out according to the requirements of each composition and mass percentage of the alloy material, and refined in argon to obtain the refined alloy material;
- Refining and impurity removal add a refiner to the refined alloy material for refinement, then use argon gas with a purity of 99.99% as the degassing medium for degassing, and remove impurities through a ceramic filter plate;
- Forging Divide the same refined alloy material after removal of impurities into two equal parts for forging, and then water-cool to obtain alloy rods;
- Hot extrusion molding two alloy rods are heated and extruded to obtain a flat alloy plate, and then the quartz fiber mesh is placed on the surface of an alloy plate, so that the two alloy plates are overlapped and fused under heating to form An alloy plate, followed by cooling and quenching to obtain the finished alloy material;
- This environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles.
- Magnesium can improve the corrosion resistance of the alloy material
- manganese can improve the strength of the alloy material
- silicon can improve the fluidity of the alloy material so as to reduce the corrosion resistance of the alloy material.
- the processing difficulty of the material, copper can improve the machinability, tensile strength and impact toughness of the alloy material, and the increased flexibility of the alloy material with titanium can further improve the toughness of the alloy material and reduce the possibility of cracking, and through quartz
- the setting of the fiber screen can improve the mechanical properties of the lower tray made of the alloy material, that is, when the lower tray made of the alloy material is impacted and ruptures, the quartz fiber screen can reduce the risk of the broken part falling off. Possibility, so that there is still a connection between the fragmented parts.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
An environment-friendly lightweight alloy material for the production of an electric vehicle undertray, relating to the technical field of electric vehicle undertray production. The specific production steps comprise: S1, preparation of a quartz fiber screen mesh; S2, smelting; S3, refining and impurity removing; S4, casting; and S5, hot extrusion forming. For the environment-friendly lightweight alloy material for the production of the electric vehicle undertray, magnesium can improve the corrosion resistance of the alloy material, copper can improve the machinability, tensile strength and impact toughness of the alloy material, and the increased flexibility of the alloy material by using titanium can further improve the toughness of the alloy material and reduce the possibility of cracking; moreover, the mechanical properties of the undertray made of the alloy material can be improved by the provision of the quartz fiber screen mesh, and even when the undertray made of the alloy material is cracked due to impact, the quartz fiber screen mesh can reduce the possibility of falling off of cracked parts, so that the cracked parts still have a connection effect.
Description
本发明涉及电动汽车下托盘生产技术领域，具体为一种环保轻量化用于电动汽车下托盘生产的合金材料。The invention relates to the technical field of production of lower trays of electric vehicles, in particular to an environmentally friendly and lightweight alloy material used for the production of lower trays of electric vehicles.
合金材料具有质量轻和易于回收循环利用的特点，环保的同时通过回收循环利用可降低生产成本，是目前汽车轻量化的首选材料，使用合金材料制作的汽车下托盘使得汽车轻量化，也就是可降低车身重量从而显著降低汽车行驶能耗。Alloy materials have the characteristics of light weight and easy recycling. They are environmentally friendly and can reduce production costs through recycling. Reduce the weight of the vehicle body to significantly reduce the energy consumption of the car.
现有的合金材料仍具有不足之处，以6005牌号为代表的Al-Mg-Si系合金材料在实际使用过程中，强度偏低尤其是受撞击的情况下，由Al-Mg-Si系合金材料制成的下托盘极易产生开裂。The existing alloy materials still have deficiencies. The Al-Mg-Si alloy materials represented by the 6005 brand have low strength during actual use, especially when they are impacted. The lower tray made of material is very prone to cracking.
发明内容Contents of the invention
针对现有技术的不足，本发明提供了一种环保轻量化用于电动汽车下托盘生产的合金材料，解决了上述背景技术中提出现有的合金材料仍具有不足之处，以6005牌号为代表的Al-Mg-Si系合金材料在实际使用过程中，强度偏低尤其是受撞击的情况下，由Al-Mg-Si系合金材料制成的下托盘极易产生开裂的问题。Aiming at the deficiencies of the prior art, the present invention provides an environmentally friendly and lightweight alloy material for the production of lower trays of electric vehicles, which solves the shortcomings of the existing alloy materials proposed in the above-mentioned background technology, represented by the 6005 grade The Al-Mg-Si alloy material in the actual use process has low strength, especially when it is impacted, and the lower tray made of the Al-Mg-Si alloy material is very prone to cracking.
为实现以上目的，本发明通过以下技术方案予以实现：一种环保轻量化用于电动汽车下托盘生产的合金材料，该合金材料的成分及质量百分比组成如下：In order to achieve the above objectives, the present invention is achieved through the following technical solutions: an environmentally friendly and lightweight alloy material used for the production of the lower tray of electric vehicles, the composition and mass percentage of the alloy material are as follows:
镁1.0-1.2％；硅0.8-1.0％、铜1.1-1.3％、钛0.9-1.2％；锰0.6-0.8％；石英纤维丝网5.0-9.0％；余量为铝。Magnesium 1.0-1.2%; Silicon 0.8-1.0%, Copper 1.1-1.3%, Titanium 0.9-1.2%; Manganese 0.6-0.8%; Quartz fiber screen 5.0-9.0%; The balance is aluminum.
一种环保轻量化用于电动汽车下托盘生产的合金材料包括下述生产步骤：An environmentally friendly and lightweight alloy material for the production of the lower tray of an electric vehicle includes the following production steps:
S1、石英纤维丝网制备：S1. Preparation of quartz fiber screen:
将石英棒或管用氢氧焰熔融拉丝，再用氢氧焰吹管喷吹，制成直径0.7-1μm的石英棉线，对石英棉线进行编织获得石英纤维丝网；The quartz rod or tube is melted and drawn with a hydrogen-oxygen flame, and then blown with a hydrogen-oxygen flame blowpipe to make a quartz cotton thread with a diameter of 0.7-1 μm, and weave the quartz cotton thread to obtain a quartz fiber mesh;
S2、熔炼：S2. Melting:
根据合金材料各成分与质量百分比要求进行熔炼，并在氩气中进行精炼，从而获得精炼合金材料；According to the requirements of each composition and mass percentage of the alloy material, it is smelted and refined in argon to obtain the refined alloy material;
S3、细化除杂：S3. Refinement and impurity removal:
向精炼合金材料中加入细化剂进行细化，随后使用除气介质为99.99％纯度的氩气进行除气作业，并通过陶瓷过滤板进行除杂；Add refiner to the refined alloy material for refinement, then use argon with 99.99% purity as the degassing medium for degassing operation, and remove impurities through ceramic filter plates;
S4、锻造：S4. Forging:
将经过除杂后的同份精炼合金材料分为等量两份进行锻造，后进行水冷获得合金棒；Divide the same refined alloy material after removal of impurities into two equal parts for forging, and then water-cool to obtain alloy rods;
S5、热挤压成型：S5, hot extrusion molding:
对两个合金棒进行加热并进行挤压成型，获得平板状的合金板，再将石英纤维丝网置于一块合金板表面，使两块合金板重叠并在加热下熔接形成一块合金板，随后进行冷却淬火即可获得成品合金材料。Two alloy rods are heated and extruded to obtain a flat alloy plate, and then the quartz fiber mesh is placed on the surface of an alloy plate, so that the two alloy plates are overlapped and fused under heating to form an alloy plate, and then The finished alloy material can be obtained by cooling and quenching.
可选的，所述S1步骤中，石英纤维丝网表面的孔隙尺寸小于等于1毫米，且石英纤维丝网的软化温度在1700摄氏度。Optionally, in the S1 step, the pore size on the surface of the quartz fiber mesh is less than or equal to 1 mm, and the softening temperature of the quartz fiber mesh is 1700 degrees Celsius.
可选的，所述S1步骤中，石英纤维丝网能在600-1050摄氏度的环境下长期使用。Optionally, in the S1 step, the quartz fiber mesh can be used for a long time in an environment of 600-1050 degrees Celsius.
可选的，所述S2步骤中，熔炼温度为750-800摄氏度，精炼温度为700-750摄氏度，精炼时间在17-22分钟。Optionally, in the step S2, the melting temperature is 750-800 degrees Celsius, the refining temperature is 700-750 degrees Celsius, and the refining time is 17-22 minutes.
可选的，所述S4步骤中，两个合金棒的重量误差小于等于30g。Optionally, in the step S4, the weight error of the two alloy rods is less than or equal to 30g.
可选的，所述S4步骤中，铸造温度680-710摄氏度，铸造速度65-90mm/分钟。Optionally, in the step S4, the casting temperature is 680-710 degrees Celsius, and the casting speed is 65-90 mm/min.
可选的，所述S5步骤中，合金棒加热至500-520摄氏度进行热挤压成型，挤压速度在9-15m/分钟。Optionally, in the step S5, the alloy rod is heated to 500-520 degrees Celsius for hot extrusion molding, and the extrusion speed is 9-15 m/min.
可选的，所述S5步骤中，两块合金板熔接时温度在600-630摄氏度，并在熔接时对合金板进行捶打。Optionally, in the step S5, the temperature of the two alloy plates is 600-630 degrees Celsius when welding, and the alloy plates are hammered during welding.
可选的，所述所述合金材料应用于电动汽车下托盘生产领域。Optionally, the alloy material is applied in the field of electric vehicle lower tray production.
本发明提供了一种环保轻量化用于电动汽车下托盘生产的合金材料，具备以下有益效果：The invention provides an environmentally friendly and lightweight alloy material for the production of lower trays of electric vehicles, which has the following beneficial effects:
该环保轻量化用于电动汽车下托盘生产的合金材料，镁可提高该合金材料的耐蚀性，锰可提高该合金材料的强度，硅可改善该合金材料的流动性，以便降低对该合金材料的加工难度，铜可提高该合金材料的切削性、抗拉强度和冲击韧性，且配合钛对该合金材料增加的柔韧性可进一步提高该合金材料的韧性，降低开裂可能性，而且通过石英纤维丝网的设置可提高由该合金材料制成的下托盘的机械性能，即是是在该合金材料制成的下托盘受到冲击发生破裂时，石英纤维丝网可降低碎裂部分发生脱落的可能性，使得碎裂部分之间仍具有联结作用。This environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles. Magnesium can improve the corrosion resistance of the alloy material, manganese can improve the strength of the alloy material, and silicon can improve the fluidity of the alloy material so as to reduce the corrosion resistance of the alloy material. The processing difficulty of the material, copper can improve the machinability, tensile strength and impact toughness of the alloy material, and the increased flexibility of the alloy material with titanium can further improve the toughness of the alloy material and reduce the possibility of cracking, and through quartz The setting of the fiber mesh can improve the mechanical properties of the lower tray made of the alloy material, that is, when the lower tray made of the alloy material is impacted and ruptures, the quartz fiber mesh can reduce the risk of the broken part falling off. Possibility, so that there is still a connection between the fragmented parts.
本发明提供一种技术方案：一种环保轻量化用于电动汽车下托盘生产的合金材料，该合金材料的成分及质量百分比组成如下：The invention provides a technical solution: an environmentally friendly and lightweight alloy material used for the production of lower trays of electric vehicles. The composition and mass percentage of the alloy material are as follows:
镁1.0-1.2％；硅0.8-1.0％、铜1.1-1.3％、钛0.9-1.2％；锰0.6-0.8％；石英纤维丝网5.0-9.0％；余量为铝。Magnesium 1.0-1.2%; Silicon 0.8-1.0%, Copper 1.1-1.3%, Titanium 0.9-1.2%; Manganese 0.6-0.8%; Quartz fiber screen 5.0-9.0%; The balance is aluminum.
一种环保轻量化用于电动汽车下托盘生产的合金材料包括下述生产步骤：An environmentally friendly and lightweight alloy material for the production of the lower tray of an electric vehicle includes the following production steps:
S1、石英纤维丝网制备：S1. Preparation of quartz fiber screen:
将石英棒或管用氢氧焰熔融拉丝，再用氢氧焰吹管喷吹，制成直径0.7-1μm的石英棉线，对石英棉线进行编织获得石英纤维丝网；The quartz rod or tube is melted and drawn with a hydrogen-oxygen flame, and then blown with a hydrogen-oxygen flame blowpipe to make a quartz cotton thread with a diameter of 0.7-1 μm, and weave the quartz cotton thread to obtain a quartz fiber mesh;
S2、熔炼：S2. Melting:
根据合金材料各成分与质量百分比要求进行熔炼，并在氩气中进行精炼，从而获得精炼合金材料；According to the requirements of each composition and mass percentage of the alloy material, it is smelted and refined in argon to obtain the refined alloy material;
S3、细化除杂：S3. Refinement and impurity removal:
向精炼合金材料中加入细化剂进行细化，随后使用除气介质为99.99％纯度的氩气进行除气作业，并通过陶瓷过滤板进行除杂；Add refiner to the refined alloy material for refinement, then use argon with 99.99% purity as the degassing medium for degassing operation, and remove impurities through ceramic filter plates;
S4、锻造：S4. Forging:
将经过除杂后的同份精炼合金材料分为等量两份进行锻造，后进行水冷获得合金棒；Divide the same refined alloy material after removal of impurities into two equal parts for forging, and then water-cool to obtain alloy rods;
S5、热挤压成型：S5, hot extrusion molding:
对两个合金棒进行加热并进行挤压成型，获得平板状的合金板，再将石英纤维丝网置于一块合金板表面，使两块合金板重叠并在加热下熔接形成一块合金板，随后进行冷却淬火即可获得成品合金材料。Two alloy rods are heated and extruded to obtain a flat alloy plate, and then the quartz fiber mesh is placed on the surface of an alloy plate, so that the two alloy plates are overlapped and fused under heating to form an alloy plate, and then The finished alloy material can be obtained by cooling and quenching.
S1步骤中，石英纤维丝网表面的孔隙尺寸小于等于1毫米，且石英纤维丝网的软化温度在1700摄氏度。In step S1, the pore size on the surface of the quartz fiber mesh is less than or equal to 1 mm, and the softening temperature of the quartz fiber mesh is 1700 degrees Celsius.
S1步骤中，石英纤维丝网能在600-1050摄氏度的环境下长期使用。In the S1 step, the quartz fiber screen can be used for a long time under the environment of 600-1050 degrees Celsius.
S2步骤中，熔炼温度为750-800摄氏度，精炼温度为700-750摄氏度，精炼时间在17-22分钟。In step S2, the melting temperature is 750-800 degrees Celsius, the refining temperature is 700-750 degrees Celsius, and the refining time is 17-22 minutes.
S4步骤中，两个合金棒的重量误差小于等于30g。In step S4, the weight error of the two alloy rods is less than or equal to 30g.
S4步骤中，铸造温度680-710摄氏度，铸造速度65-90mm/分钟。In step S4, the casting temperature is 680-710 degrees Celsius, and the casting speed is 65-90 mm/min.
S5步骤中，合金棒加热至500-520摄氏度进行热挤压成型，挤压速度在 9-15m/分钟。In step S5, the alloy rod is heated to 500-520 degrees Celsius for hot extrusion molding, and the extrusion speed is 9-15m/min.
S5步骤中，两块合金板熔接时温度在600-630摄氏度，并在熔接时对合金板进行捶打。In step S5, the temperature of the two alloy plates is 600-630 degrees Celsius when welding, and the alloy plates are hammered during welding.
合金材料应用于电动汽车下托盘生产领域。Alloy materials are used in the production of lower trays for electric vehicles.
该环保轻量化用于电动汽车下托盘生产的合金材料，镁可提高该合金材料的耐蚀性，锰可提高该合金材料的强度，硅可改善该合金材料的流动性，以便降低对该合金材料的加工难度，铜可提高该合金材料的切削性、抗拉强度和冲击韧性，且配合钛对该合金材料增加的柔韧性可进一步提高该合金材料的韧性，降低开裂可能性，而且通过石英纤维丝网的设置可提高由该合金材料制成的下托盘的机械性能，即是是在该合金材料制成的下托盘受到冲击发生破裂时，石英纤维丝网可降低碎裂部分发生脱落的可能性，使得碎裂部分之间仍具有联结作用。This environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles. Magnesium can improve the corrosion resistance of the alloy material, manganese can improve the strength of the alloy material, and silicon can improve the fluidity of the alloy material so as to reduce the corrosion resistance of the alloy material. The processing difficulty of the material, copper can improve the machinability, tensile strength and impact toughness of the alloy material, and the increased flexibility of the alloy material with titanium can further improve the toughness of the alloy material and reduce the possibility of cracking, and through quartz The setting of the fiber screen can improve the mechanical properties of the lower tray made of the alloy material, that is, when the lower tray made of the alloy material is impacted and ruptures, the quartz fiber screen can reduce the risk of the broken part falling off. Possibility, so that there is still a connection between the fragmented parts.
综上，该环保轻量化用于电动汽车下托盘生产的合金材料，该合金材料的成分及质量百分比组成如下：In summary, this environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles. The composition and mass percentage of the alloy material are as follows:
镁1.0-1.2％；硅0.8-1.0％、铜1.1-1.3％、钛0.9-1.2％；锰0.6-0.8％；石英纤维丝网5.0-9.0％；余量为铝；Magnesium 1.0-1.2%; Silicon 0.8-1.0%, Copper 1.1-1.3%, Titanium 0.9-1.2%; Manganese 0.6-0.8%; Quartz fiber mesh 5.0-9.0%; The balance is aluminum;
一种环保轻量化用于电动汽车下托盘生产的合金材料包括下述生产步骤：An environmentally friendly and lightweight alloy material for the production of the lower tray of an electric vehicle includes the following production steps:
石英纤维丝网制备：将石英棒或管用氢氧焰熔融拉丝，再用氢氧焰吹管喷吹，制成直径0.7-1μm的石英棉线，对石英棉线进行编织获得石英纤维丝网；Quartz fiber screen preparation: melt and draw quartz rods or tubes with an oxygen-hydrogen flame, and then blow them with an oxygen-hydrogen flame blowpipe to make quartz cotton wires with a diameter of 0.7-1 μm, and weave the quartz cotton wires to obtain quartz fiber screens;
熔炼：根据合金材料各成分与质量百分比要求进行熔炼，并在氩气中进行精炼，从而获得精炼合金材料；Melting: Melting is carried out according to the requirements of each composition and mass percentage of the alloy material, and refined in argon to obtain the refined alloy material;
细化除杂：向精炼合金材料中加入细化剂进行细化，随后使用除气介质为99.99％纯度的氩气进行除气作业，并通过陶瓷过滤板进行除杂；Refining and impurity removal: add a refiner to the refined alloy material for refinement, then use argon gas with a purity of 99.99% as the degassing medium for degassing, and remove impurities through a ceramic filter plate;
锻造：将经过除杂后的同份精炼合金材料分为等量两份进行锻造，后进行水冷获得合金棒；Forging: Divide the same refined alloy material after removal of impurities into two equal parts for forging, and then water-cool to obtain alloy rods;
热挤压成型：对两个合金棒进行加热并进行挤压成型，获得平板状的合金板，再将石英纤维丝网置于一块合金板表面，使两块合金板重叠并在加热下熔接形成一块合金板，随后进行冷却淬火即可获得成品合金材料；Hot extrusion molding: two alloy rods are heated and extruded to obtain a flat alloy plate, and then the quartz fiber mesh is placed on the surface of an alloy plate, so that the two alloy plates are overlapped and fused under heating to form An alloy plate, followed by cooling and quenching to obtain the finished alloy material;
该环保轻量化用于电动汽车下托盘生产的合金材料，镁可提高该合金材料的耐蚀性，锰可提高该合金材料的强度，硅可改善该合金材料的流动性，以便降低对该合金材料的加工难度，铜可提高该合金材料的切削性、抗拉强度和冲击韧性，且配合钛对该合金材料增加的柔韧性可进一步提高该合金材料的韧性，降低开裂可能性，而且通过石英纤维丝网的设置可提高由该合金材料制成的下托盘的机械性能，即是是在该合金材料制成的下托盘受到冲击发生破裂时，石英纤维丝网可降低碎裂部分发生脱落的可能性，使得碎裂部分之间仍具有联结作用。This environmentally friendly and lightweight alloy material is used for the production of the lower tray of electric vehicles. Magnesium can improve the corrosion resistance of the alloy material, manganese can improve the strength of the alloy material, and silicon can improve the fluidity of the alloy material so as to reduce the corrosion resistance of the alloy material. The processing difficulty of the material, copper can improve the machinability, tensile strength and impact toughness of the alloy material, and the increased flexibility of the alloy material with titanium can further improve the toughness of the alloy material and reduce the possibility of cracking, and through quartz The setting of the fiber screen can improve the mechanical properties of the lower tray made of the alloy material, that is, when the lower tray made of the alloy material is impacted and ruptures, the quartz fiber screen can reduce the risk of the broken part falling off. Possibility, so that there is still a connection between the fragmented parts.
Claims (10)
- 一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：该合金材料的成分及质量百分比组成如下：An environmentally friendly and lightweight alloy material used for the production of lower pallets of electric vehicles, characterized in that: the composition and mass percentage of the alloy material are as follows:镁1.0-1.2％；硅0.8-1.0％、铜1.1-1.3％、钛0.9-1.2％；锰0.6-0.8％；石英纤维丝网5.0-9.0％；余量为铝。Magnesium 1.0-1.2%; Silicon 0.8-1.0%, Copper 1.1-1.3%, Titanium 0.9-1.2%; Manganese 0.6-0.8%; Quartz fiber screen 5.0-9.0%; The balance is aluminum.
- 根据权利要求1所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述一种环保轻量化用于电动汽车下托盘生产的合金材料包括下述生产步骤：According to claim 1, an environmentally friendly and lightweight alloy material for the production of the lower tray of an electric vehicle is characterized in that: the environmentally friendly and lightweight alloy material for the production of the lower tray of the electric vehicle comprises the following production steps:S1、石英纤维丝网制备：S1. Preparation of quartz fiber screen:将石英棒或管用氢氧焰熔融拉丝，再用氢氧焰吹管喷吹，制成直径0.7-1μm的石英棉线，对石英棉线进行编织获得石英纤维丝网；The quartz rod or tube is melted and drawn with a hydrogen-oxygen flame, and then blown with a hydrogen-oxygen flame blowpipe to make a quartz cotton thread with a diameter of 0.7-1 μm, and weave the quartz cotton thread to obtain a quartz fiber mesh;S2、熔炼：S2. Melting:根据合金材料各成分与质量百分比要求进行熔炼，并在氩气中进行精炼，从而获得精炼合金材料；According to the requirements of each composition and mass percentage of the alloy material, it is smelted and refined in argon to obtain the refined alloy material;S3、细化除杂：S3. Refinement and impurity removal:向精炼合金材料中加入细化剂进行细化，随后使用除气介质为99.99％纯度的氩气进行除气作业，并通过陶瓷过滤板进行除杂；Add refiner to the refined alloy material for refinement, then use argon with 99.99% purity as the degassing medium for degassing operation, and remove impurities through ceramic filter plates;S4、锻造：S4. Forging:将经过除杂后的同份精炼合金材料分为等量两份进行锻造，后进行水冷获得合金棒；Divide the same refined alloy material after removal of impurities into two equal parts for forging, and then water-cool to obtain alloy rods;S5、热挤压成型：S5, hot extrusion molding:对两个合金棒进行加热并进行挤压成型，获得平板状的合金板，再将石英纤维丝网置于一块合金板表面，使两块合金板重叠并在加热下熔接形成一块合金板，随后进行冷却淬火即可获得成品合金材料。Two alloy rods are heated and extruded to obtain a flat alloy plate, and then the quartz fiber mesh is placed on the surface of an alloy plate, so that the two alloy plates are overlapped and fused under heating to form an alloy plate, and then The finished alloy material can be obtained by cooling and quenching.
- 根据权利要求2所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述S1步骤中，石英纤维丝网表面的孔隙尺寸小于等 于1毫米，且石英纤维丝网的软化温度在1700摄氏度。According to claim 2, an environmentally friendly and lightweight alloy material for the production of lower pallets of electric vehicles is characterized in that: in the step S1, the pore size on the surface of the quartz fiber mesh is less than or equal to 1 mm, and the quartz fiber wire The softening temperature of the net is 1700 degrees Celsius.
- 根据权利要求2所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述S1步骤中，石英纤维丝网能在600-1050摄氏度的环境下长期使用。According to claim 2, an environmentally friendly and lightweight alloy material for the production of lower pallets of electric vehicles is characterized in that: in the step S1, the quartz fiber mesh can be used for a long time in an environment of 600-1050 degrees Celsius.
- 根据权利要求2所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述S2步骤中，熔炼温度为750-800摄氏度，精炼温度为700-750摄氏度，精炼时间在17-22分钟。According to claim 2, an environmentally friendly and lightweight alloy material for the production of lower pallets of electric vehicles is characterized in that: in the step S2, the melting temperature is 750-800 degrees Celsius, the refining temperature is 700-750 degrees Celsius, and the refining temperature is 700-750 degrees Celsius. The time is 17-22 minutes.
- 根据权利要求2所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述S4步骤中，两个合金棒的重量误差小于等于30g。An environmentally friendly and lightweight alloy material for the production of lower pallets of electric vehicles according to claim 2, characterized in that: in the step S4, the weight error of the two alloy rods is less than or equal to 30g.
- 根据权利要求2所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述S4步骤中，铸造温度680-710摄氏度，铸造速度65-90mm/分钟。According to claim 2, an environmentally friendly and lightweight alloy material for the production of lower pallets of electric vehicles is characterized in that: in the step S4, the casting temperature is 680-710 degrees Celsius, and the casting speed is 65-90mm/min.
- 根据权利要求2所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述S5步骤中，合金棒加热至500-520摄氏度进行热挤压成型，挤压速度在9-15m/分钟。According to claim 2, an environmentally friendly and lightweight alloy material for the production of lower pallets of electric vehicles is characterized in that: in the step S5, the alloy rod is heated to 500-520 degrees Celsius for hot extrusion molding, and the extrusion speed is At 9-15m/min.
- 根据权利要求2所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述S5步骤中，两块合金板熔接时温度在600-630摄氏度，并在熔接时对合金板进行捶打。According to claim 2, an environmentally friendly and lightweight alloy material for the production of lower pallets of electric vehicles is characterized in that: in the step S5, the temperature of the two alloy plates is 600-630 degrees Celsius when they are welded, and Hammer the alloy plate.
- 根据权利要求1-9任一项所述的一种环保轻量化用于电动汽车下托盘生产的合金材料，其特征在于：所述合金材料应用于电动汽车下托盘生产领域。According to any one of claims 1-9, an environmentally friendly and lightweight alloy material for the production of lower trays of electric vehicles is characterized in that: the alloy material is used in the field of production of lower trays of electric vehicles.
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