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structure and substrate material[10-12]. Furthermore, tool material and surface treatments, lubricant and process parameters affect the performance of GI steels in sheet metal forming(SMF) [13-16... is the sliding condition under tension-bending. To enable the simulation of forming process under conditions close to industrial operations, the forming tests of U-channel with draw-bead were conducted......
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and brings about rapid densification by collapsing the pores at a faster rate. Rolling processing is an effective fabrication process for obtaining a fully-density product from a spray deposited porous preform... of preforms during rolling process were examined. 2 Experimental The spray deposited materials 5A06Al and 8009Al/SiCp were served as the raw material, and the compositions are given in Table 1. SiC......
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in quenching process under different water spray volumes GAO Jing-na(高静娜)1, 2, GAO Ying(高颖)2, XU Qin-ran(徐钦冉)1, WANG Ge(王葛)1, LI Qiang(李强)1, 3 1. National Engineering Research Center for Equipment... Abstract: Cooling strength is one of the important factors affecting microstructure and properties of gas cylinders during quenching process,and reasonable water spray volume can effectively improve......
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spray pyrolysis process, the morphology of particles is dependent upon the precursor concentration and flux of carrier gas. The initial discharge capacity of the LiNi0.8Co0.2O2 particles at 720 ℃ for 12... time and complex synthesis process to get the final particle. Compared with the particles prepared by solid state reaction, the size distribution of particles by ultrasonic spray pyrolysis is narrow......
Influence of Zn and Mg Alloying on the Corrosion Resistance Properties of Al Coating Applied by Arc Thermal Spray Process in Simulated Weather SolutionHan-Seung Lee1,Seung-Jun Kwon2,Jitendra Kumar... of Engineering and Science,Curtin University Malaysia摘 要:In this study,Al–Zn and Al–Mg coatings were deposited on steel substrates by an arc thermal spray......
was prepared by the spray forming process for electronic packaging materials. The effect of the ratio of atomization pressure to metal melt mass flux rate (P/M) on the preforms and microstructures...Effect of P/M value on the preforms and microstructures of spray formed 70Si30Al alloyYanguang Wei, Baiqing Xiong, Yongan Zhang, Hongwei Liu, Feng Wang, and Baohong Zhu State Key Laboratory......
criteria have been widely used in the bulk forming process, they are recently introduced into the forming limit prediction in sheet metal forming processes [12-16]. In the ductile fracture criterion... forming [J]. Mater Des, 2007, 28: 203-207. [16] Han H N, Kim K H. A ductile fracture criterion in sheet metal forming process [J]. J Mater Proc Technol, 2003, 142: 231-238. [17] Takuda H, Mori K......
