DD407/IN718高温合金异质焊接接头的组织及高温变形行为
刘杨,王磊(
),宋秀,梁涛沙
),宋秀,梁涛沙
Microstructure and High-Temperature Deformation Behavior of Dissimilar Superalloy Welded Joint of DD407/IN718
LIU Yang,WANG Lei(),SONG Xiu,LIANG Taosha
),SONG Xiu,LIANG Taosha
图2. 不同焊接参数下DD407/IN718合金激光焊接接头上、下表面及截面宏观形貌
Fig.2. Top and bottom surface morphologies (left) and overall views (right) of the laser welded joints of DD407 and IN718 alloys under different laser welding parameters (R—welding speed, P—laser power)(a) R=2.5 mm/min, P=1.8 kW (b) R=2.5 mm/min, P=2.0 kW (c) R=2.1 mm/min, P=1.4 kW(d) R=2.1 mm/min, P=1.6 kW (e) R=2.1 mm/min, P=1.8 kW
