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

图4 钼合金典型断口及析出的氧化物[8,46]

Fig.4 Typical fracture morphologies and precipitated oxides of molybdenum alloys (a, b) fracture morphologies of TZM alloy base material (a) and electron beam welding (EBW) alloy joint (b)[46] (c-e) oxide precipitation in molybdenum alloy welded joints[8,46] (Inset in Fig.4e is selected area electron diffraction (SAED) patterns) (f) schematic of the influence of MoO2 on fracture process (σ—tensile stress)