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friction coefficient and effectively improve the wear resistance of the tungsten heavy alloy due to its significantly increased hardness and non-deformability, but the porous structure in the WC layer... of Mechanical and Automotive Engineering, South China University of Technology摘 要:Tungsten heavy alloys(WHAs) produced by powder technology are widely used......
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of tungsten heavy alloy with thickness about 15 mm, the solvent debinding process and mechanism of big size forward extrusion parts were studied. The optimization methods of sample solvent debinding... to optimize the debinding process, the debound parts have no defect, and the debinding efficiency levels of d12 mm and d15 mm reach up 55% and 45%. Key words: tungsten heavy alloy; forward extrusion parts......
Article ID: 1003-6326(2005)05-1081-04 Double-sided gas tungsten arc welding process on TC4 titanium alloy GAO Hong-ming(高洪明), BAI Yan(白 岩), YANG Tian-dong(杨天东) (State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China) Abstract: TC4 titanium alloy was welded by double-sided gas tungsten arc welding(GTAW) process in comparison......
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and "self-sharpening" behavior of fine-grained tungsten heavy alloy rod penetrators[J]. Materials Science and Engineering A, 2016, 675: 262-270. [4] 向道平, 丁 雷. 高密度W-Ni-Fe合金的烧结新技术[J]. 稀有金属, 2013, 37(1..., 28(3): 7-10. [8] ANJALI K, PRABHU G, SANKARANARAYANA M, NANDY T K. Effect of solution treatment temperature and cooling rate on the mechanical properties of tungsten heavy alloy[J]. Materials Science......
Numerical simulation of tungsten alloy in powder injection molding process ZHENG Zhen-xing(郑振兴)1, XIA Wei(夏 伟)1, ZHOU Zhao-yao(周照耀)1, ZHU Quan-li(朱权利)1 School of Mechanical...; Abstract: The flow behavior of feedstock for the tungsten alloy powder in the mold cavity......
晶粒为3~4 μm,而且晶粒尺寸分布更均匀. 关键词:机械合金化; 稀土氧化物; 细晶钨合金; 显微组织; mechanical alloying; rare earth oxide; fine-grain tungsten heavy alloy; microstructure; [全文内容正在添加中] ......
restrains the growth of tungsten grain, which happens mainly at the liquid phase sintering. Key words: tungsten heavy alloy; W-Ni-Fe composite powder; Y2O3 doped; sintering behavior; microstructure...,比同种成分的传统钨合金的烧结温度降低了120 ℃左右,合金的相对密度可达99.5%,但微量稀土掺杂对烧结的致密化有一定的抑制作用. 3) 微量稀土元素对合金的晶粒尺寸的抑制作用主要发生在液相烧结阶段. REFERENCES [1] 范景莲. 钨合金及其制备新技术[M]. 北京: 冶金工业出版社, 2006.FAN Jing-lian. Tungsten heavy alloy and new......
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