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condition of the present experiment.Microstructure of the slab consists of equal axial grains with 15~25μm in diameterand Pb dispersed uniformly in them.After cold or hot rolling of the slab with reduction......
compacting and hot hydrostatic extrusion, cold drawing with heavy deformation and subsequent annealing have been performed. The microstructures and properties of Cu-5%Cr under various drawing... Microstructures and properties of cold drawn and annealed submicron crystalline Cu-5%Cr alloy HE Wen-xiong(贺文雄), YU Yang(于 洋), WANG Er-de(王尔德), SUN Hong-fei(孙宏飞), HU Lian-xi(胡连喜), CHEN Hui(陈 晖......
of cold compacting. The surface of alloy bar extruded from big particles has good quality without cracking. While the smaller the powder particles, the higher the density and the better... between 104 and 147 μm; and group F, powders bigger than 147 μm. Each group of alloy powders was consolidated by cold compacting and finally hot extruding in an Al can with an area reduction ratio of 4?1......
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) of emulsified asphalt cold reclaimed mixture are improved by the rotary compacting method, while the porosity and the optimal dosage of water are reduced. Furthermore, with the increase of compaction times... J. Cent. South Univ. (2019) 26: 759-767 DOI: https://doi.org/10.1007/s11771-019-4045-3 Mixing ratio design of emulsified asphalt cold recycled mixture based on gyratory compaction molding WEI Hui(韦......
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A Cold Adhesion for Self-fused Alloy Coat by High Frequency Induction ZHANG Zeng-zhi1,AI Bo1 (1.Research Institute of Ecological and Functional Material, China University of Mining and Technology (Beijing), Beijing, China) 摘要:In this study, a method to prepare self-fused alloy coat, which started with a cold adhesion precoating and then induction fusing plus, is presented. It also intended......
pressure were achieved by means of one-direction pressing with rigid mould at room temperature. Cold compactability of these powders was investigated with HUANG Pei-yun’s log-log powder compacting...30 s时,所得粉末压坯的质量较好. 关键词:3%C-Cu粉末;高能球磨;压制特性;相对密度 中图分类号:TF 124 文献标识码:A Effect of high-energy mechanical milling on cold compactability of 3%C-Cu powder JIN Yong......
Modelling and simulation of contact force in cold rotary forgingQIN Xun-peng(秦训鹏) (School of Automotive Engineering, Hubei Key Laboratory of Advanced Technology of Automotive Parts, Wuhan University of Technology, Wuhan 430070, China)Abstract:Cold rotary forging is an advanced and complex metal forming technology with continuous local plastic deformation. Investigating the contact force between......