共搜索到18706条信息,每页显示10条信息,共1871页。用时:0小时0分0秒390毫秒
......
words: W-Ni-Fe alloy; microwave sintering; grain growth 微波烧结技术具有烧结周期短,能量消耗低以及... solder using an energy-efficient microwave sintering route[J]. J Electronic Mater, 2008, 37(6): 860-866. [9] UPADHYAYA A, TIWARI S K, MISHRA P. Microwave sintering of W-Ni-Fe alloy[J]. Scripta......
: densification behavior; microstructure evolution; SPS; W-Ni-Fe alloy 1 Introduction W-Ni-Fe heavy alloys are a kind of composite materials, in which 86%-97% (mass fraction) of BCC structured W particles... Densification and microstructure evolution during SPS consolidation process in W-Ni-Fe system HU Ke, LI Xiao-qiang, YANG Chao, LI Yuan-yuan National Engineering Research Center of Near-Net-Shape......
......
样的区别不明显,但抗拉强度和伸长率都高于同批的常压试样. 关键词:W-Ni-Fe合金;润滑剂;粉末冶金;温压成形;力学性能 中图分类号:TF 124.3; TG 146.4 文献标识码:A Warm compacting behavior of W-Ni-Fe alloy with different...-Fe富集区,钨颗粒少数表现为解理断裂,与此相对应的合金力学性能也不是很高. 表2 润滑剂不同含量时W-Ni-Fe合金烧结体的力学性能 Table 2 Mechanical properties of W-Ni-Fe alloy samples by room-temperature compaction and warm compaction 图5 ......
of Materials Processing Technology, 2000, 103(2): 288-292. [14] PARK J K, KANG S J L, EUN K Y, YOON D N. Microstructural change during liquid phase sintering of W-Ni-Fe alloy[J]. Metallurgical...] POVAROVA K B, ALYMOV M I, GAVRILIN O S, DROZDOV A A, EVSTRATOV E V, KACHNOV A I, SAL’KO A E. Effect of the conditions of sintering W-Ni-Fe-Co heavy alloy nanopowders on the structure and density......
of nano-powder 90W-7Ni-3Fe alloy[J]. The Journal of Chinese Nonferrous Metal, 2005, 15(6): 882-887. [10] 祁美贵, 范景莲, 张骁, 等. 微量Y2O3 对细晶W-Ni-Fe粉末烧结行为和显微组织的影响[J]. 中国有色金属学报, 2009, 19(4): 656-661.QI Mei-gui.... Shrinkage kinetics during sintering W-Ni-Fe heavy alloy with ultrafine grain[J]. Chinese Journal of University of Science and Technology Beijing, 2002, 24(2): 107-110. [13] Wang J, Raj R. Activation......
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... of mechanical alloying and two-stage sintering of a 93W-5.6Ni-1.4Fe tungsten heavy alloy [J]. Mater Sci Eng A, 2003, 344: 253-260. [15] BOSE A, GERMAN R M. Development of a new W-Ni-Fe heavy alloy[J......
......
......