The formation mechanism of tear strips on stretched Ti-22Al-25Nb alloy sheets

Yingying Zong; Bin Shao; Wenchen Xu; Bin Guo; Debin Shan

doi:10.1038/s41598-017-01889-9

The formation mechanism of tear strips on stretched Ti-22Al-25Nb alloy sheets

Yingying Zong
, Bin Shao
, Wenchen Xu^*
, Bin Guo
, Debin Shan

^*Corresponding author for this work

School of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

This paper reports the presence of tear strips on the surface of a Ti-22Al-25Nb alloy sheet stretched at 960 °C. The test piece reveals a "bamboo"-shaped pattern on its surface, which severely affects the quality of the alloy. Microstructure analysis indicates that the formation mechanism of the tear strip is related to both the rich α₂ phase layer and the interfacial B2 phase dynamic recrystallization layer between the α₂ phase layer and the substrate metal.

Original language	English
Article number	1645
Journal	Scientific Reports
Volume	7
Issue number	1
DOIs	https://doi.org/10.1038/s41598-017-01889-9
State	Published - 1 Dec 2017

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abstract = "This paper reports the presence of tear strips on the surface of a Ti-22Al-25Nb alloy sheet stretched at 960 °C. The test piece reveals a {"}bamboo{"}-shaped pattern on its surface, which severely affects the quality of the alloy. Microstructure analysis indicates that the formation mechanism of the tear strip is related to both the rich α2 phase layer and the interfacial B2 phase dynamic recrystallization layer between the α2 phase layer and the substrate metal.",

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AU - Xu, Wenchen

AU - Guo, Bin

AU - Shan, Debin

PY - 2017/12/1

Y1 - 2017/12/1

N2 - This paper reports the presence of tear strips on the surface of a Ti-22Al-25Nb alloy sheet stretched at 960 °C. The test piece reveals a "bamboo"-shaped pattern on its surface, which severely affects the quality of the alloy. Microstructure analysis indicates that the formation mechanism of the tear strip is related to both the rich α2 phase layer and the interfacial B2 phase dynamic recrystallization layer between the α2 phase layer and the substrate metal.

AB - This paper reports the presence of tear strips on the surface of a Ti-22Al-25Nb alloy sheet stretched at 960 °C. The test piece reveals a "bamboo"-shaped pattern on its surface, which severely affects the quality of the alloy. Microstructure analysis indicates that the formation mechanism of the tear strip is related to both the rich α2 phase layer and the interfacial B2 phase dynamic recrystallization layer between the α2 phase layer and the substrate metal.

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The formation mechanism of tear strips on stretched Ti-22Al-25Nb alloy sheets

Abstract

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