Intrinsic Mechanisms of Ductile-brittle Transition for F460 Steel Welding Coarse Grained Heat Affected Zones with Different Heat Inputs

Intrinsic Mechanisms of Ductile-brittle Transition for F460 Steel Welding Coarse Grained Heat Affected Zones with Different Heat Inputs

Coarse grain heat affected zone (HAZ) of F460 steel was simulated by a Gleeble 3800 thermo-mechanical simulator. The microstructure, critical event of the HAZ formed at various heat inputs (<i>E</i>) were characterized and determined by optical microscopy (OM) and scanning electronic mic...

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Bibliographic Details
Main Authors: LI Jing, CAO Rui, MAO Gao-jun, LIU Dong-sheng, CHEN Jian-hong
Format: Article
Language:zho
Published: Journal of Materials Engineering 2016-08-01
Series:Journal of Materials Engineering
Subjects:
F460 steel
welding coarse grain heat affected zone
ductile-brittle transition
critical event
cleavage fracture stress
Online Access:http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.08.012

Internet

http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.08.012

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