镍基Inconel-718合金TIG焊部分熔化区组织变化*
叶欣, 华学明, 王敏, 楼松年

MICROSTRUCTURE EVOLUTION OF PARTIALLY MELTED ZONE OF TIG WELDING JOINT OF Ni-BASED INCONEL-718 SUPERALLOY
YE Xin, HUA Xueming, WANG Min, LOU Songnian
表3 Inconel-718合金母材固液相线理论温度及其固液共存温度区间
Table 3 The theoretical solidus and liquidus temperature and solid-liquid coexistence temperature range of base metal for Inconel-718 superalloy
Base metal Liquidus of austenite Solidus of low melting phase Temperature range
K K K
Wrought 1630 1451 179?
As-cast 1668 1391 277
Homogenization 1631 1376 255