STRUCTURE AND HARDNESS OF SINTERED MO-NI ALLOYS

被引:0
|
作者
MILMAN, YV
RISTIC, MM
GRIDNEVA, IV
LOTSKO, DV
KRISTANOVICH, I
GONCHARUK, VA
机构
[1] Acad of Sciences of the Ukrainian, SSR, USSR, Acad of Sciences of the Ukrainian SSR, USSR
来源
关键词
MOLYBDENUM METALLOGRAPHY - Microstructures - MOLYBDENUM NICKEL ALLOYS - Mechanical Properties;
D O I
暂无
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Specimens of Mo-Ni powder mixtures containing 1, 5, 10, and 20% Ni were used. The alloys are two-phase systems consisting of molybdenum and delta -phase according to the phase diagram. The structure and nonequilibrium state depend on chemical composition and sintering regimes. The delta -phase is preferentially distributed along the grain boundaries of molybdenum. An increase in hardness due to the presence of delta -phase takes place only when the porosity decreases up to 10-20%.
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页码:144 / 148
页数:5
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