钼合金焊接接头高温蠕变性能研究进展

张林杰, 张栩菁, 宁杰

Research Progress on the High-Temperature Creep Properties of Molybdenum Alloy Welded Joints

ZHANG Linjie, ZHANG Xujing, NING Jie

表1 不同温度和应力下钼合金的主要蠕变机制

Table 1 Main creep mechanisms of molybdenum alloy under different temperatures and stresses

Stress state Temperature oC Main creep mechanism High 1200 Dislocation climb Medium 1200-1600 Coble type and grain boundary sliding Low 1600 Nabarro-Herrin type