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力效果,满足板材成形需要. 鉴于以上分析,将颗粒介质成形方法进一步拓展和延伸,在颗粒介质成形的基础上引入超声振动,本文作者首次提出板材超声振动颗粒介质成形(Ultrasonic-vibration granules medium forming, UGMF)工艺.将以AZ31B镁合金板为研究对象,展开UGMF试验,研究超声振动对金属板材温热成形的影响. 1 板材超声振动颗粒介质成形工艺... alloys under different vibration conditions (Forming temperature is 260 ℃) 3.4 振幅对镁合金成形性能的影响 为了研究超声振动振幅对于镁合金颗粒介质拉深成形性能的影响,在成形温度为260 ℃条件下,分别进行振幅A为0 μm(即无振动),6.7 μm,8.1 μm,11.6 μm,16.5 μm条件下的镁合金筒形件......
Influence of coupling with calculation of phase diagrams on microsegregation forming simulation of Al-4.5%Cu alloy LIU Yong-gang(刘永刚)1, CHEN Guang(陈 光)1, SUN Guo-xiong(孙国雄)2 1. Joint... 210096, China Received 20 April 2006; accepted 30 June 2006 Abstract: The effect of coupling with calculation of phase diagrams on microsegregation forming simulation was investigated......
Effect of Solute Contents of Al-Ni-Sr Alloy on Glass Forming Ability and Thermal Stability H J Kim1,J C Bae1,Taek Soo Kim1,J K Lee1 (1.Advanced Materials R&D Center,Korea Institute of Industrial Technology,994-32 Dongchun-dong,Yeonsu-ku,Incheon 406-130,Korea) Abstract:Glass forming ability (GFA) and structural characterization of a new amorphous Al-Ni-Sr alloy melt spun were investigated......
Grain refinement and orientation of AZ31B magnesium alloy in hot flow forming under different thickness reductionsYalian Zhang1,Fenghua Wang1,2,Jie Dong1,Li Jin1,Conghui Liu1,Wenjiang Ding11. National Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University2. Shanghai Light Alloy Net Forming National Engineering......
Multi-objective optimization of stamping forming process of head using Pareto-based genetic algorithmZHOU Jie(周杰), ZHUO Fang(卓芳), HUANG Lei(黄磊), LUO Yan(罗艳)(College of Material Science and Engineering, Chongqing University, Chongqing 400044, China)Abstract:To obtain the optimal process parameters of stamping forming, finite element analysis and optimization technique were integrated via......
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of superfine dendrites, and the secondary arm was small or even degenerated. It is concluded that the laser metal forming technique provides a method to manufacture directional solidification components......
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Glass forming ability and thermodynamic properties in novel La-Al-Cu-Co bulk metallic glasses李培友,孟凡莹,王永善,董敏敏,史俊婷,宋佩维School of Materials Science and Engineering, Shaanxi University of Technology摘 要:The glass forming ability(GFA) and thermodynamic properties of the La-Al-Cu-Co alloy system were investigated, and novel La-Al-Cu-Co bulk metallic glasses......
Continuously extending extrusion forming of semisolid A2017 alloy by SRS processGUAN Renguo, WEN Jinglin, LIU Xianghua, and LI YinglongMaterial and Metallurgy School, Northeastern University... of A2017 alloy were obtained. Ex-tending forming mould has been designed and was installed at the exit of roll-shoe gap. A2017 alloy was formed by ex-tending continuously at the semisolid state on SRS......