Open AccessEffect of Welding Process on Ultrasonic Testing of 9Ni Steel Weld Joint
Author(s) -
Yannan Du,
Zhu Xuchen,
Weiping Zhu,
Xiaoying Tang,
Xiaolong Xue,
Ding Ju
Publication year - 2019
Publication title -
iop conference series earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/310/4/042034
Subject(s) - welding , materials science , microstructure , ultrasonic sensor , toughness , metallurgy , joint (building) , ultrasonic welding , ultrasonic testing , composite material , welding joint , structural engineering , engineering , acoustics , physics
In the world, 9Ni steel with the relatively low price, high strength, low temperature toughness and safety reliability has become the principal material of LNG storage tanks. The presence of coarse-grained microstructures in the weld microstructure has a substantial impact on the ultrasonic testing of the weld. Therefore, an excellent 9Ni steel ultrasonic testing technology is realized for a suitable welding process.
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