Effect of heat input on microstructure and toughness of CGHAZ of deep-sea X70

In order to solve the embrittlement problem of coarse grain zone (CGHAZ) of deep-sea X70 pipeline steel in actual welding,the thermal simulation study of X70 pipeline steel was carried out under different thermal cycle processes.X70 pipeline steel CGHAZ was simulated by Gleeble-3800 thermal simulato...

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Autores principales: Zhiwen LIU, Shujun JIA, Hao YANG, Xiaokai LIANG, Liang ZHANG, Yining FAN, Pengbiao HAN
Formato: article
Lenguaje:ZH
Publicado: Hebei University of Science and Technology 2021
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Acceso en línea:https://doaj.org/article/a192e36efeb44a31870c6da021369e99
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