A new mechanism of lamellar kinking produced by α twins

Xiang Zhang, Jinshan Li, Xiaofei Chen, Beibei Wei, Guoming Zheng, Bin Tang

科研成果: 期刊稿件文章同行评审

摘要

This study investigated the hot pack rolling of Ti-43Al-1.5Cr-0.5Re (at. %) alloy sheets at 1250 ℃ with a total deformation of 80 %. The results revealed a novel type of lamellar kinking, distinct from conventional lamellar kinking caused by mechanical stress. The kinking interface exhibits a serrated morphology and conformed to the {11-22} <11-2-3> contraction twin relationship. A new lamellar kinking mechanism induced by α twins was proposed, providing a new perspective for understanding the kinking mechanism in TiAl alloys and other anisotropic metallic materials.

源语言英语
文章编号135678
期刊Materials Letters
357
DOI
出版状态已出版 - 15 2月 2024

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