Analysis of abnormal bright band characteristics of forging for a new low-cost titanium alloy

Jianwei Xu; Xiaoyu Ji; Weidong Zeng; Mingbing Li; Ke Song; Zhishou Zhu

doi:10.1016/j.matlet.2024.136746

Analysis of abnormal bright band characteristics of forging for a new low-cost titanium alloy

Jianwei Xu, Xiaoyu Ji, Weidong Zeng, Mingbing Li, Ke Song, Zhishou Zhu

School of Materials Sience and Engineering

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

Abstract

A centimeter-scale defective microstructure, namely abnormal bright band characteristics (ABBC), is found in engineering production of titanium alloy forgings, and it seriously affects the stability and reliability of performance. The targeted work for the reason of the formation of the ABBC is carried out in this paper. The ABBC contains a large number of small colony α, without grain boundary. The α phase in the ABBC includes 12 variants from one β grain. The crystallographic orientation of reconstructed β phase in the ABBC is a standard cube texture. The formation of the ABBC is caused by the abnormal grain growth (AGG) of cube-grain. The cube-grain is a low energy storage grain, which can merge with other grains to grow rapidly.

Original language	English
Article number	136746
Journal	Materials Letters
Volume	369
DOIs	https://doi.org/10.1016/j.matlet.2024.136746
State	Published - 15 Aug 2024

Keywords

Abnormal grain growth
Microstructure
Recrystallization
Texture
Titanium alloy

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10.1016/j.matlet.2024.136746

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title = "Analysis of abnormal bright band characteristics of forging for a new low-cost titanium alloy",

abstract = "A centimeter-scale defective microstructure, namely abnormal bright band characteristics (ABBC), is found in engineering production of titanium alloy forgings, and it seriously affects the stability and reliability of performance. The targeted work for the reason of the formation of the ABBC is carried out in this paper. The ABBC contains a large number of small colony α, without grain boundary. The α phase in the ABBC includes 12 variants from one β grain. The crystallographic orientation of reconstructed β phase in the ABBC is a standard cube texture. The formation of the ABBC is caused by the abnormal grain growth (AGG) of cube-grain. The cube-grain is a low energy storage grain, which can merge with other grains to grow rapidly.",

keywords = "Abnormal grain growth, Microstructure, Recrystallization, Texture, Titanium alloy",

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T1 - Analysis of abnormal bright band characteristics of forging for a new low-cost titanium alloy

AU - Xu, Jianwei

AU - Ji, Xiaoyu

AU - Zeng, Weidong

AU - Li, Mingbing

AU - Song, Ke

AU - Zhu, Zhishou

PY - 2024/8/15

Y1 - 2024/8/15

N2 - A centimeter-scale defective microstructure, namely abnormal bright band characteristics (ABBC), is found in engineering production of titanium alloy forgings, and it seriously affects the stability and reliability of performance. The targeted work for the reason of the formation of the ABBC is carried out in this paper. The ABBC contains a large number of small colony α, without grain boundary. The α phase in the ABBC includes 12 variants from one β grain. The crystallographic orientation of reconstructed β phase in the ABBC is a standard cube texture. The formation of the ABBC is caused by the abnormal grain growth (AGG) of cube-grain. The cube-grain is a low energy storage grain, which can merge with other grains to grow rapidly.

AB - A centimeter-scale defective microstructure, namely abnormal bright band characteristics (ABBC), is found in engineering production of titanium alloy forgings, and it seriously affects the stability and reliability of performance. The targeted work for the reason of the formation of the ABBC is carried out in this paper. The ABBC contains a large number of small colony α, without grain boundary. The α phase in the ABBC includes 12 variants from one β grain. The crystallographic orientation of reconstructed β phase in the ABBC is a standard cube texture. The formation of the ABBC is caused by the abnormal grain growth (AGG) of cube-grain. The cube-grain is a low energy storage grain, which can merge with other grains to grow rapidly.

KW - Abnormal grain growth

KW - Microstructure

KW - Recrystallization

KW - Texture

KW - Titanium alloy

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VL - 369

JO - Materials Letters

JF - Materials Letters

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Analysis of abnormal bright band characteristics of forging for a new low-cost titanium alloy

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Keywords

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