局部强冷作用下厚板铝合金/镁合金搅拌摩擦焊界面金属间化合物的析出行为
徐洋, 柯黎明, 聂浩, 夏春, 刘强, 陈书锦

Precipitation Behavior of Intermetallic Compounds at the Interface of Thick Plate Friction Stir Welded Al Alloy/Mg Alloy Joints Under Local Strong Cooling
XU Yang, KE Liming, NIE Hao, XIA Chun, LIU Qiang, CHEN Shujin
表3 空冷和表面液氮冷却时5A06-H112/AZ31B-O FSW接头铝合金侧界面沿板厚方向的应变速率和峰值温度
Table 3 Strain rates and peak temperatures along thickness direction of the Al alloy side interface of 5A06-H112/AZ31B-O FSW joints under air and liquid nitrogen cooling
Cooling mediumPosition

re

mm

Le

mm

ε˙

s-1

Tp

oC

AirUpper4.73.030.7425.5
Middle4.67.512.0403.6
Bottom3.915.05.1384.6
Liquid nitrogenUpper5.43.035.3409.8
Middle5.17.513.3396.8
Bottom4.015.05.2377.8