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Semisolid die forging process,microstructures and properties of AZ31 magnesium alloy mobile telephone shellsRen-guo Guan1),Li-qing Chen2),Fu-rong Cao1),Zhan-yong Zhao1),and Yong Ren2) 1) College...="ChDivSummary">A semisolid slurry of AZ31 magnesium alloy was prepared by vibrating wavelike sloping plate process,and the semisolid die forging process,microstructures,and properties of the magnesium alloy......
Efects of Die Corner Radius and Temperature on the Formability of AA7075-T6 AlloyHatice Evlen,brahim Kad,Mustafa Ya sarTechnology Faculty, Karabuk University摘 要:die corner radii.Forming limit diagrams(FLD)were generated by measuring the grids of the sheet formed.The results show that the forming limit of AA7075-T6 can be significantly......
流动较为有效的实验手段. 关键词:模锻；塑性变形；应变分布 中图分类号:TG 306 文献标识码:A New method to measure metal flow during die forging LI Feng, HE Zhu-bin, YUAN Shi-jian (School of Materials... in measuring the strain and streamlines distribution during die forging of complex components. This method can not only measure but also analyze quantitatively the deformation of die forging without......
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APPLICATION OF RARE EARTH IN SURFACE HEAT TREATMENT OF HOT-WORKING DIE STEELS胡正前Wuhan University of Technology摘 要:<正> This paper studies a compound treatment. i. e. liquid S , N,C co-diffusing with rare earth (RE) and then oxidization , for hot-working die steels , and the effect of RE on thermal fatigue behavior of the diffused layer. XRD and SEM......
Vanadium Carbide Coating Growth on Die Steel Substrate in Borax Salt Bath王洪福School of Materials Science and Engineering, Wuhan University of TechnologySchool of Mechanical Engineering and Automation, North University of China摘 要:Vanadium pentoxide, borax, boron carbide and sodium fluoride were used to grow vanadium carbide coating on die steel(Cr12......
Microstructure Characteristics of the Eutectics of Die Cast AM60B Magnesium AlloyMengwu Wu1, 2) and Shoumei Xiong1, 2) 1) Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China 2) State Key Laboratory of Automobile Safety and Energy, Tsinghua University, Beijing 100084, China摘 要:Under the cold-chamber high pressure die casting......
Die structure optimization of equal channel angular extrusion for AZ31 magnesium alloy based on finite element method HU Hong-jun(胡红军)1, 2, ZHANG Ding-fei(张丁非)1, 3, PAN Fu-sheng(潘复生)1, 3 1... with different corner angles (90? and 120?) and with or without inner round fillets in the bottom die were designed. Some important process parameters were regarded as the calculation conditions used......
Effects of heat treatment on the microstructures and mechanical properties of a new type of nitrogen-containing die steelJun Yanagimoto,Sumio SugiyamaInstitute of Industrial Science,the University... time. Compared with conventional nitrogen-free die steels, a new type of nitrogen-containing die steel was developed with many superior properties, such as high strength, high hardness, and good......
Characterization of the Grain Structures in Vacuum-Assist HighPressure Die Casting AM60B AlloyXiao-Bo Li1,2,Shou-Mei Xiong1,2,Zhi-Peng Guo1,21. School of Materials Science and Engineering,Tsinghua...-pressure die casting(HPDC) AM60 B alloy were studied by using an optical microscope and a scanning electron microscope with an energy dispersive spectrometer.It was found that the HPDC under the vacuum......
