Further investigation on microstructure refinement of internal crack initiation region in VHCF regime of high-strength steels

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The profile samples prepared by focused ion beam (FIB) in crack initiation region (CIR) and fish-eye (FiE) region of failed specimens subjected to rotary bending (RB) and ultrasonic axial (UL) fatigue testing with various stress ratios (R) were observed by transmission electron microscopy (TEM) with...

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Bibliographic Details
Published in:	Fracture and Structural Integrity
Main Authors:	Yukun Chang, Liang Zheng, Xiangnan Pan, Youshi Hong
Format:	Article
Language:	English
Published:	Gruppo Italiano Frattura 2019-07-01
Subjects:	Very-high-cycle fatigue Nanograins Microstructure refinement Crack initiation FGA High-strength steels
Online Access:	https://www.fracturae.com/index.php/fis/article/view/2466/2519

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