Effect of microstructure on the crack propagation behavior of microalloyed 560 MPa (X80) strip during ultra-fast cooling
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- 作者：J. Zhaoa ; W. Hua ; X. Wanga ; b ; J. Kanga ; G. Yuana ; yuanguoenu@163.com" class="auth_mail" title="E-mail the corresponding author ; H. Dia ; R.D.K. Misrac
- 关键词：Ultra-fast cooling technology ; X80 pipeline steel ; Critical thickness ; Acicular ferrite ; DWTT
- 刊名：Materials Science & Engineering A
- 出版年：2016
- 出版时间：1 June 2016
- 年：2016
- 卷：666
- 期：Complete
- 页码：214-224
- 全文大小：5989 K
文摘
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A novel TMCP involving UFC was used to produce 560 MPa pipeline strip with critical thickness (22 mm).
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The crack propagation model during DWTT fracture was established.
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The toughening and crack arresting mechanisms were elucidated.