Oxidation difference of microstructural bands in additive manufactured titanium alloy

L. Q. Fu; Z. W. Yang; Y. Wang; Z. Q. Ma; Z. J. Wang; D. P. Wang

doi:10.1080/21663831.2021.2000515

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Oxidation difference of microstructural bands in additive manufactured titanium alloy

Original Reports | 更新时间：2026-08-19

- Oxidation difference of microstructural bands in additive manufactured titanium alloy
- Oxidation difference of microstructural bands in additive manufactured titanium alloy
- 材料研究快报（英文） 2022年10卷第1期页码：6-13
- 作者机构：
  
  Tianjin Key Laboratory of Advanced Joining Technology School of Materials Science and Engineering Tianjin University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2021.2000515
  中图分类号：
- 网络首发：2022-01-08，
  
  纸质出版：2022
- 稿件说明：
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L. Q. Fu, Z. W. Yang, Y. Wang, 等. Oxidation difference of microstructural bands in additive manufactured titanium alloy[J]. 材料研究快报（英文）, 2022,10(1):6-13.

L. Q. Fu, Z. W. Yang, Y. Wang, et al. Oxidation difference of microstructural bands in additive manufactured titanium alloy[J]. Materials Research Letters, 2022, 10(1): 6-13.
L. Q. Fu, Z. W. Yang, Y. Wang, 等. Oxidation difference of microstructural bands in additive manufactured titanium alloy[J]. 材料研究快报（英文）, 2022,10(1):6-13. DOI： 10.1080/21663831.2021.2000515.

L. Q. Fu, Z. W. Yang, Y. Wang, et al. Oxidation difference of microstructural bands in additive manufactured titanium alloy[J]. Materials Research Letters, 2022, 10(1): 6-13. DOI： 10.1080/21663831.2021.2000515.

摘要

Abstract

In this study

Ti6Al7Nb alloy produced by twin-wire arc additive manufacturing was oxidized at 800°C to identify the oxidation difference induced by heat-affected bands (HABs)

which have been widely reported in additive manufactured titanium alloys. The oxidation kinetics proved that HABs with compact β laths have stronger oxidation resistance compared with that of the non-HAB zone. Nb element enriched in β phase promoted Ti

Al to precipitate at the original position of β laths after oxidation

having a similar spacing to the β laths. The formation of compact Ti

Al on HAB beneficially inhibits oxygen diffusion across the oxide scale/matrix interface.

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相关机构

a Erich Schmid Institute of Materials Science Austrian Academy of Sciences

b Institute of Materials Science Joining and Forming Graz University of Technology

a School of Mechanical Engineering Hefei University of Technology

b Department of Mechanical Engineering City University of Hong Kong

c Department of Mechanical Engineering National University of Singapore

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