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公开(公告)号:US20230071499A1
公开(公告)日:2023-03-09
申请号:US17576257
申请日:2022-01-14
发明人: Lixin Huang , Zhihua Zhu , Liguang Xie , Hanqi Wu , Meng Li , Tieqiang Chen
摘要: The disclosure discloses the forging process of a magnesium alloy wheel hub comprises the following steps: step 1, heating a magnesium alloy bar to 350-420° C. and keeping the temperature for 20 minutes; step 2, forging and forming the bar under a 6000-ton forging press, and controlling the forging process in sections. The forging process of the disclosure adopts sectional control, different forging process parameters are adopted in different forging stages, so that magnesium alloy bars can exert maximum forgeability in different deformation stages, make magnesium alloy deformation process more continuous, make forging process easier, obtain forged magnesium alloy wheel hub with excellent properties, and greatly improve forging process and processing efficiency.
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公开(公告)号:US20220410252A1
公开(公告)日:2022-12-29
申请号:US17576220
申请日:2022-01-14
发明人: Lixin Huang , Zuo Xu , Decai Kong , Jingru Shen , Meng Li , Tieqiang Chen , Qingzhu Zhang
摘要: The disclosure discloses a method of producing a magnesium alloy wheel hub, comprises the following steps: step 1, heating a magnesium alloy bar to 350-430° C. and keeping the temperature for 20 minutes; step 2, initially forging and forming the bar under a forging press, the forging speed is 6-15 mm/s; step 3, finally forging and forming the bar under a forging press, and the forging speed is 5-8 mm/s; step 4, testing the microstructure and material properties of the final forged blank to obtain the layered material property distribution on the thickness of the blank; step 5, according to the layered material property distribution on the thickness of the blank obtained in step 4, selecting the part that meets the requirements to make a magnesium alloy wheel hub. According to the different properties in the thickness direction of the blank, the spoke orientation of the magnesium alloy wheel can be quickly designed according to the needs, and the magnesium alloy wheel that meets the usage performance can be obtained, which greatly improves the design and processing efficiency.
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公开(公告)号:US11745252B2
公开(公告)日:2023-09-05
申请号:US17576220
申请日:2022-01-14
发明人: Lixin Huang , Zuo Xu , Decai Kong , Jingru Shen , Meng Li , Tieqiang Chen , Qingzhu Zhang
摘要: The disclosure discloses a method of producing a magnesium alloy wheel hub, comprises the following steps: step 1, heating a magnesium alloy bar to 350-430° C. and keeping the temperature for 20 minutes; step 2, initially forging and forming the bar under a forging press, the forging speed is 6-15 mm/s; step 3, finally forging and forming the bar under a forging press, and the forging speed is 5-8 mm/s; step 4, testing the microstructure and material properties of the final forged blank to obtain the layered material property distribution on the thickness of the blank; step 5, according to the layered material property distribution on the thickness of the blank obtained in step 4, selecting the part that meets the requirements to make a magnesium alloy wheel hub. According to the different properties in the thickness direction of the blank, the spoke orientation of the magnesium alloy wheel can be quickly designed according to the needs, and the magnesium alloy wheel that meets the usage performance can be obtained, which greatly improves the design and processing efficiency.
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公开(公告)号:US20230074156A1
公开(公告)日:2023-03-09
申请号:US17576239
申请日:2022-01-14
发明人: Lixin Huang , Zuo Xu , Meng Li , Tieqiang Chen , Hanqi Wu , Qingzhu Zhang
摘要: The disclosure discloses a magnesium alloy for wheels, comprising in mass percentage: Al: 2-3.0 wt. %; Zn: 0.5-1.0 wt. %; Mn: 0.3-0.5 wt. %; Ce: 0.15-0.3 wt. %; La: 0.05-0.1 wt. %, the balance is Mg. The magnesium alloy of the present invention takes Al element and Mn element as main alloying elements, supplemented by trace Ce and La elements as alloying process, and the nano-scale Mn-rich precipitated phase obtained during homogenization and the segregation of rare earth elements Ce and La at the interface and grain boundary of Mn-rich precipitated phase are used to inhibit the coarsening during extrusion and forging, so as to improve the strength and plastic deformation ability of the alloy.
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公开(公告)号:US11207760B2
公开(公告)日:2021-12-28
申请号:US16693880
申请日:2019-11-25
发明人: Tieqiang Chen , Chunhai Liu , Zuo Xu
摘要: A thermal treatment and shot peening method for a wheel, including: heating a wheel blank to T1, and preserving the heat for t1; fast heating the wheel blank to T2, and preserving the heat for t2; performing quenching treatment, wherein a quenching medium is at temperature of T3, and the quenching transfer time is t3; performing aging treatment at aging temperature of T4, and preserving the heat for t4; performing first-stage shot peening; and performing second-stage shot peening.
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公开(公告)号:US11905577B2
公开(公告)日:2024-02-20
申请号:US17576239
申请日:2022-01-14
发明人: Lixin Huang , Zuo Xu , Meng Li , Tieqiang Chen , Hanqi Wu , Qingzhu Zhang
摘要: The disclosure discloses a magnesium alloy for wheels, comprising in mass percentage: Al: 2-3.0 wt. %; Zn: 0.5-1.0 wt. %; Mn: 0.3-0.5 wt. %; Ce: 0.15-0.3 wt. %; La: 0.05-0.1 wt. %, the balance is Mg. The magnesium alloy of the present invention takes Al element and Mn element as main alloying elements, supplemented by trace Ce and La elements as alloying process, and the nano-scale Mn-rich precipitated phase obtained during homogenization and the segregation of rare earth elements Ce and La at the interface and grain boundary of Mn-rich precipitated phase are used to inhibit the coarsening during extrusion and forging, so as to improve the strength and plastic deformation ability of the alloy.
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公开(公告)号:US11660659B2
公开(公告)日:2023-05-30
申请号:US17576257
申请日:2022-01-14
发明人: Lixin Huang , Zhihua Zhu , Liguang Xie , Hanqi Wu , Meng Li , Tieqiang Chen
CPC分类号: B21K1/40 , B21J1/06 , B21J5/008 , B60B2310/208
摘要: The disclosure discloses the forging process of a magnesium alloy wheel hub comprises the following steps: step 1, heating a magnesium alloy bar to 350-420° C. and keeping the temperature for 20 minutes; step 2, forging and forming the bar under a 6000-ton forging press, and controlling the forging process in sections. The forging process of the disclosure adopts sectional control, different forging process parameters are adopted in different forging stages, so that magnesium alloy bars can exert maximum forgeability in different deformation stages, make magnesium alloy deformation process more continuous, make forging process easier, obtain forged magnesium alloy wheel hub with excellent properties, and greatly improve forging process and processing efficiency.
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8.
公开(公告)号:US20220097175A1
公开(公告)日:2022-03-31
申请号:US17389468
申请日:2021-07-30
发明人: Bowen Xue , Tieqiang Chen , Decai Kong , Yong Liu
IPC分类号: B23K26/356 , B23K26/0622
摘要: Disclosed is a method for extending service life of a sacrificial-layer-free aluminum alloy wheel by laser shock, comprising: performing finite element analysis each position of the wheel under actual working conditions; connecting the to-be-peened wheel to a fixture on a robot; determining laser shock peening parameters; upon laser shock, performing cleaning treatment on the shocked wheel to remove surface ablating; and performing paint spraying treatment on the processed aluminum alloy wheel. The method provided by the present disclosure can not only improve surface hardness of the aluminum alloy wheel, but also form a residual compressive stress layer on a subsurface, thereby restraining crack propagation, prolonging the service life of an aluminum alloy wheel hub and improving stability of the hub.
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公开(公告)号:US11981985B2
公开(公告)日:2024-05-14
申请号:US17576201
申请日:2022-01-14
发明人: Tieqiang Chen , Zuo Xu , Zhihua Zhu , Qingzhu Zhang , Lixin Huang , Meng Li
CPC分类号: C22F1/047 , B21D53/264 , C22C21/08
摘要: The disclosure discloses a method for manufacturing special purpose vehicle wheels by using 7000 series aluminum alloys, comprising the following steps: step 1, smelting 7000 series aluminum alloys in a smelting furnace; step 2, making the solution obtained in step 1 into an aluminum alloy ingot blank through a spraying and forming process; step 3, extruding the aluminum alloy ingot blank of step 2 to obtain an extrusion bar; step 4, sawing the extrusion bar into blanks and heating them; step 5, rolling the blank into a cake; step 6, putting the cake into a press for forging and forming; step 7, spinning and forming the wheel rim. The wheel manufactured by the method for manufacturing special vehicle wheels with 7000 series aluminum alloys in the present disclosure has high and stable conductivity, qualified impact test and good bending and radial fatigue performance.
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公开(公告)号:US20230194171A1
公开(公告)日:2023-06-22
申请号:US17676297
申请日:2022-02-21
发明人: Lixin Huang , Meng Li , Tieqiang Chen , Liguang Xie , Jinwei Liu , Xiusong Dong , Dan Yao
CPC分类号: F27B3/18 , C22C1/026 , F27D27/005
摘要: The disclosure discloses an aluminum alloy material smelting device, comprising a furnace, a cutter packing device with a stirring shaft, a packing basket, a cutter-type stirring head, the stirring shaft connected with the packing basket, the bottom of the packing basket connected with a cutter-type stirring head, the cutter-type stirring head comprising a plurality of stirring blades, one end of the stirring blades connected with the bottom of the packing basket, the other end connected with each other on the central axis of the packing basket, and the side wall of the packing basket provided with a liquid passage hole to form liquid exchange with the solution outside the packing basket; the rotation of the cutter-type stirring head forming a solution vortex to accelerate the diffusion of added elements, and the vortex only formed under the stirring head, which will not damage the covering film formed on the surface of aluminum alloy, effectively prevent the scum on the surface from being involved in the solution again, thereby ensuring the consistency of the properties and chemical composition of the prepared aluminum alloy material, and reducing the influence of aluminum alloy scum on the solution.
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