SPS烧结参数对NiAl-28Cr-5.5Mo-0.5Zr合金微观组织及室温力学性能的影响

刘泽, 宁汉维, 林彰乾, 王东君

Influence of Spark Plasma Sintering Parameters on the Microstructure and Room-Temperature Mechanical Properties of NiAl-28Cr-5.5Mo-0.5Zr Alloy

LIU Ze, NING Hanwei, LIN Zhangqian, WANG Dongjun

图3 不同温度烧结态NiAl基合金的微观组织 (a) 1100℃ (b) 1150℃ (c) 1200℃ (d) 1250℃

Fig.3 Microstructures of sintered NiAl-based alloy at different sintering temperatures (The dark contrast phase is identified as NiAl and the bright contrast phase is Cr(Mo); A points two-phase structure, B points crystalline colony composed of short rod-shaped Cr(Mo) and NiAl, and black boxes show the two-phase lamellar structure between particles)