Structure/Property Relationships in Sintered Heavy Alloys
Structure/Property Relationships in Sintered Heavy Alloys
复制标题
DOI：
10.4028/www.scientific.net/ssp.8-9.193
复制
发表时间：
1991-01
期刊：
影响因子：
--
通讯作者：
David V. Edmonds
中科院分区：
文献类型：
--
作者：
David V. Edmonds
摘要 描述了液相烧结钨高合金的显微组织特征。这些包括考虑孔隙率、钨：粘合剂相比率、钨晶粒尺寸、形状和邻接性，以及晶界和相间边界。钨晶粒和粘结剂基体相中以及微观结构界面处的沉淀都被详细考虑，因为它对强度和韧性无疑具有重要意义。还讨论了痕量杂质对沉淀和界面偏析的影响。
Abstract The microstructural characteristics of liquid-phase sintered tungsten heavy alloys are described. These include considerations of porosity, tungsten: binder phase ratio, tungsten grain size, shape and contiguity, as well as the grain boundaries and interphase boundaries. Precipitation in both the tungsten grains and the binder matrix phase, and at the microstructural interfaces, is considered in some detail because of its undoubted importance to strength and toughness. The influence of trace impurities, both to precipitation and to interface segregation, is also discussed.