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Rare Metals
Published in: Rare Metals 5/2014

01-10-2014

Causes of surface stripe cracks of Ti–4Al–2V alloy cold-rolled sheet

Authors: De-Ming Huang, Xiong-Fei Yang, Qing-Feng Wei, Yong Chen, Hua Guo, Sheng-Long Liang, Ying Wang

Published in: Rare Metals | Issue 5/2014

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Abstract

The stripe cracks which formed along rolling direction on the surface of Ti–4Al–2V alloy cold-rolled sheet were observed by stereoscope, scanning electron microscope (SEM), and energy-dispersive spectrometer (EDS). Morphology analysis indicates that cracks are dominantly in zigzag shape, with 10–30 mm in length and less than 10 μm in depth, and there is no evidence of crack tips. Chemical composition analysis shows that crack regions feather high oxygen concentration while smooth surface is at normal oxygen level. It is obvious that the occurrence of strip cracks is mainly related to residual oxide on the surface of Ti–4Al–2V alloy cold-rolled sheet.
previous article Fatigue crack growth of titanium alloy joints by electron beam welding
next article Kinetics and numerical simulation of self-propagating high-temperature synthesis in Ti–Cr–Al–C systems

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Metadata
Title
Causes of surface stripe cracks of Ti–4Al–2V alloy cold-rolled sheet
Authors
De-Ming Huang
Xiong-Fei Yang
Qing-Feng Wei
Yong Chen
Hua Guo
Sheng-Long Liang
Ying Wang
Publication date
01-10-2014
Publisher
Nonferrous Metals Society of China
Published in
Rare Metals / Issue 5/2014
Print ISSN: 1001-0521
Electronic ISSN: 1867-7185
DOI
https://doi.org/10.1007/s12598-013-0132-z

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