Patents Assigned to AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALS
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Patent number: 10926331Abstract: A method of reinforcing a metallic material includes adding graphene to an alcohol solution; subjecting the alcohol solution containing graphene to sonication; mixing a metal powder with the alcohol solution containing graphene; milling the metal powder and alcohol solution containing graphene mixture; drying the metal powder and alcohol solution containing graphene mixture to form a composite powder; subjecting the composite powder to a densification process followed by a hot isostatic pressing treatment to form a composite material; and molding the composite material by hot extrusion.Type: GrantFiled: September 30, 2016Date of Patent: February 23, 2021Assignee: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Shaojiu Yan, Cheng Yang, Qihu Hong, Dabo Liu, Shenglong Dai, Zuoming Lin
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Patent number: 9933036Abstract: A damping rubber spring for an automobile suspension, including: n rubber layers (2), n being a natural number not less than 3; n+1 metal partition layers (1) including an upper partition layer (4) and a lower partition layer (5), the n rubber layers (2) and the n+1 metal partition layers (1) being laminated alternately with each other, and the upper partition layer (4) being disposed in parallel with the lower partition layer (5), wherein an m-th rubber layer (2) starting from the upper partition layer (4) has a thickness or cross section area that is the same as that of an m-th rubber layer (2) starting from the lower partition layer (5).Type: GrantFiled: August 28, 2013Date of Patent: April 3, 2018Assignee: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Gaosheng Chen, Honggang Jiang, Gaolin Pei, Liangqing Lai, Chunchao Tu, Zhian Mi, Jia Liu, Jinghe Wang, Zhengtao Su
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Patent number: 9878528Abstract: A method for preparing a graphene/metal composite sheet includes adding polyvinyl alcohol into distilled water and heat to about 100° C. under stirring to prepare a polyvinyl alcohol solution; dispersing graphene in distilled water using ultrasonication to prepare a graphene solution; mixing the polyvinyl alcohol solution and the graphene solution to form a graphene/polyvinyl alcohol mixed slurry; after a metal sheet is subjected to a surface activation treatment, coating the graphene/polyvinyl alcohol mixed slurry onto the metal sheet at both upper and lower surfaces; vacuum sintering to remove the polyvinyl alcohol in the surface coating to obtain a graphene/metal plate; overlaying at least two graphene/metal plates and bonding them together via hot isostatic pressing to form multilayer graphene/metal plates; and hot rolling the bonded multilayer graphene/metal plates to form the graphene/metal composite sheet.Type: GrantFiled: September 30, 2016Date of Patent: January 30, 2018Assignee: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Shaojiu Yan, Cheng Yang, Qihu Hong, Dabo Liu, Shenglong Dai, Zuoming Lin
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Publication number: 20170014908Abstract: A method of reinforcing a metallic material includes adding graphene to an alcohol solution; subjecting the alcohol solution containing graphene to sonication; mixing a metal powder with the alcohol solution containing graphene; milling the metal powder and alcohol solution containing graphene mixture; drying the metal powder and alcohol solution containing graphene mixture to form a composite powder; subjecting the composite powder to a densification process followed by a hot isostatic pressing treatment to form a composite material; and molding the composite material by hot extrusion.Type: ApplicationFiled: September 30, 2016Publication date: January 19, 2017Applicant: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Shaojiu Yan, Cheng Yang, Qihu Hong, Dabo Liu, Shenglong Dai, Zuoming Lin
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Publication number: 20170015092Abstract: A method for preparing a graphene/metal composite sheet includes adding polyvinyl alcohol into distilled water and heat to about 100° C. under stirring to prepare a polyvinyl alcohol solution; dispersing graphene in distilled water using ultrasonication to prepare a graphene solution; mixing the polyvinyl alcohol solution and the graphene solution to form a graphene/polyvinyl alcohol mixed slurry; after a metal sheet is subjected to a surface activation treatment, coating the graphene/polyvinyl alcohol mixed slurry onto the metal sheet at both upper and lower surfaces; vacuum sintering to remove the polyvinyl alcohol in the surface coating to obtain a graphene/metal plate; overlaying at least two graphene/metal plates and bonding them together via hot isostatic pressing to form multilayer graphene/metal plates; and hot rolling the bonded multilayer graphene/metal plates to form the graphene/metal composite sheet.Type: ApplicationFiled: September 30, 2016Publication date: January 19, 2017Applicant: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Shaojiu Yan, Cheng Yang, Qihu Hong, Dabo Liu, Shenglong Dai, Zuoming Lin
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Patent number: 9499022Abstract: An auxiliary rubber spring for an automobile suspension, comprising: N layers of metal partitions, N being an integer greater than or equal to 1, and a transverse section of each metal partition being arc-shaped; N+1 rubber layers, the rubber layers being alternately lapped with the metal partitions, and a transversal section of each rubber layer being arc-shaped; a supporting plate provided with a first convex arc surface on one side thereof, the first convex arc surface being bonded to a first concave arc surface of an outermost rubber layer; and a connecting plate provided with a second concave arc surface on one thereof, the second concave arc surface being bonded to a second convex arc surface of another outermost rubber layer. The auxiliary rubber spring for an automobile suspension according to the present invention may increase fatigue resistance of the rubber spring and effectively extend service life thereof.Type: GrantFiled: August 28, 2013Date of Patent: November 22, 2016Assignee: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Gaolin Pei, Liangqing Lai, Gaosheng Chen, Honggang Jiang, Chunchao Tu, Zhian Mi, Jia Liu, Jinghe Wang, Zhengtao Su
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Publication number: 20150226280Abstract: A damping rubber spring for an automobile suspension, including: n rubber layers (2), n being a natural number not less than 3; n+1 metal partition layers (1) including an upper partition layer (4) and a lower partition layer (5), the n rubber layers (2) and the n+1 metal partition layers (1) being laminated alternately with each other, and the upper partition layer (4) being disposed in parallel with the lower partition layer (5), wherein an m-th rubber layer (2) starting from the upper partition layer (4) has a thickness or cross section area that is the same as that of an m-th rubber layer (2) starting from the lower partition layer (5).Type: ApplicationFiled: August 28, 2013Publication date: August 13, 2015Applicant: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Gaosheng Chen, Honggang Jiang, Gaolin Pei, Liangqing Lai, Chunchao Tu, Zhian Mi, Jia Liu, Jinghe Wang, Zhengtao Su