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Study on the impact force and green properties of high-velocity compacted aluminum alloy powderRafi-ud Din,Dil-faraz KhanSchool of Materials Science and Engineering, University of Science and Technology Beijing摘 要:High-velocity compaction (HVC) provides an effective means in the field of powder metallurgy (P/M) to reduce the porosity as well......
of Ti35Nb is to make it a porous material. Thus, in the present work, the porous Ti35Nb alloy was fabricated by a powder metallurgy method and at the same time the mechanical properties of the porous... Preparation of porous Ti35Nb alloy and its mechanical properties under monotonic and cyclic loading LIN Jian-guo(林建国)1,2, ZHANG Yun-fei(张云飞)1, MA Mo(马 蓦)1 1. Faculty of Material......
, which combines powder rolling with semi-solid rolling in one step to prepare high-performance metallic strips. A total of 7050 aluminum alloy strips were prepared by semi-solid powder rolling...Post-treatment Process of Semi-solid Powder RollingXia Luo1,2,Yun-Zhong Liu1,Bin Wang21. National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials, South China University......
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-HIP temperature has a significant effect on microstructures. When the sintering temperature is 1 100 ℃, the microstructure of as-pseudo-HIPped alloy is similar to that of the prealloyed powder... of the embedded material. The consolidated cans are subsequently hot worked for further densification. In the present study, the Ti-46Al- (Cr, Nb, W, B) alloy is prepared by pseudo-HIPping powder......
words: Fe-Cr-Mo-Ni-C-Co alloy; powder metallurgy; microstructure; mechanical properties; cryogenic martensite ...J. Cent. South Univ. Technol. (2008) 15: 454-458 DOI: 10.1007/s11771-008-0085-9 Effects of cryogenic treatment on mechanical properties and microstructure of Fe-Cr-Mo-Ni-C-Co alloy ZHU Yuan-zhi(朱......
Microstructure Modification of Powder Compact of Al-Zn-Mg Nanostructured Alloy by a Semisolid Thermomechanical ProcessingSeyed Ahmad Jenabali-Jahromi22. Department of Materials Science... sintering at 600 ℃ for 30 min in each cycle was applied to modify the microstructure of nanostructured Al-Zn-Mg alloy.The alloy powders were produced by mechanical alloying.Also,solid-state sintering at 550......
高强度Fe-Ni膨胀合金丝材时效工艺研究 徐进1,陈建刚1,王新林1,张建福1,张建生1 (1.钢铁研究总院,功能材料研究所,北京,100081) 摘要:采用性能测试和显微组织分析手段,探讨了高强度低膨胀Fe-Ni合金丝材时效处理对合金膨胀系数及强度的影响规律.试验结果表明,采用较高温度时效(475℃),能够使碳化物能够呈弥散状析出,将有利于合金膨胀系数的控制,及合金强度的提高;而较低的时效温度(425℃)下,碳化物呈不均匀状析出,合金强化效果不明显,同时不利于膨胀系数的控制. 关键词:Fe-Ni合金丝材; 高强度; 时效; [全文内容正在添加中] ......
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Hot deformation behavior and microstructural evolution of powder metallurgical TiAl alloyNa Liu,Zhou Li,Wen-Yong Xu,Yue Wang,Guo-Qing Zhang,Hua YuanScience and Technology on Advanced High Temperature Structural Materials Laboratory, Beijing Institute of Aeronautical Materials摘 要:The hot deformation behavior of powder metallurgical(PM) TiAl alloys......
