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alloy Co-Ni-Fe binder QIAN Cheng(钱铖)1, LI Kun(李昆)1, GUO Xue-yi(郭学益)2, LIU Bin(刘彬)1,LONG Zheng-yi(龙郑易)1, LIU Yong(刘咏)1 1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha... Abstract: For developing new binder phase with high performance, Co-Ni-Fe alloy was used as binder in cemented carbides. The mechanical properties of WC-CoNiFe and WC-Co cemented carbides......
Fabrication of cellular Zn–Mg alloy foam by gas release reaction via powder metallurgical approachDonghui Yang1,Jianqing Chen1,Weiping Chen1,Lei Wang1,Hui Wang2,Jinghua Jiang1,Aibin Ma11. College... CaCO3 as the "blowing agent", Zn–(10–50) wt% Mg alloy foams with close-pore structure were fabricated by the powder metallurgical route. The key of successful foaming is Mg addition and the proper......
that the microstructures of samples are homogeneous and they have high hardness and certain plasticity. Key words: powder metallurgy; thixoforming in pseudo-semi-solid state; high-melting alloy CLC number: TG376... on powder metallurgy technology combined with the semi-solid metal forming process. The satellite angle-frames were prepared by this technology with Alp and SiCp materials mixed with different volume......
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Powder metallurgy synthesis of porous Ni-Fe alloy for oxygen evolution reaction and overall water splittingWenbo Li1,Qingfeng Hu1,Yunwei Liu1,Mengmeng Zhang1,Jiajun Wang2,Xiaopeng Han1,Cheng... for generating oxygen and hydrogen via water splitting. Herein, based on powder metallurgy, a Ni-Fe based compound(Ni8Fe2 alloy) with unique porous structure and controllable phase has been designed......
Near-net shape processing of spherical high Nb-TiAl alloy powder by gelcastingHui-ping Shao,Xiao-ting Liu,Ye Ji,Zhi-meng GuoInstitute for Advanced Material & Technology,University of Science and Technology Beijing摘 要:Spherical Ti-45Al-8.5Nb-(W,B,Y)alloy powder prepared by an argon plasma process was near-net shape by gelcasting.In the non-aqueous system......
Microstructure of a Ti–50wt% Ta alloy produced via laser powder bed fusionLei-Lei Xing1,Hao Chen1,Zhi-Jian Shen1,3,Wei Liu11. School of Materials Science and Engineering,Tsinghua University3... due to their high biocompatibility and corrosion resistance.In this work,nearly fully dense and in situ alloyed Ti-50 wt% Ta samples were fabricated by the laser powder bed fusion(LPBF......
Microstructure Evolution of Intermetallics Produced by Laser Powder Deposition ZHONG Min-lin1,HAN Jian-min2,LIU Wen-jin1,XU Xiang-yang2 (1.Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;2.Institute of Materials Science and Engineering, Beijing Jiaotong University, Beijing 100044, China) 摘要:Heat treatment on the laser powder synthesized Ni20Al30Fe intermetallic......
Microstructure, tensile properties and thermal stability of AlMgSiScZr alloy printed by laser powder bed fusionJiang Bi,Zhenglong Lei,Yanbin Chen,Xi Chen,Ze Tian,Nannan Lu,Xikun Qin,Jingwei... forms as the grain refiner during the solidification, which is extremely beneficial for the laser powder bed fusion(LPBF) processed Al alloys. In this study, a new type Al-14.1 Mg-0.47 Si-0.31 Sc-0.17......
structure peak can be seen for all cases, which reveals that Ni reacts with Al to form Ni3Al during SPS. However a small fraction of Ni peak can be observed for alloy from powder C. For powder C Ni... in Fig.5) and irregular grain Ni3Al from powder C has lowest fracture strength (curve 3 in Fig.5). For alloy made with powder C a small fraction of Ni existed improve its ductility but decrease its......
