Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging

Lianghua Xiong; Shuya Zhang; Cang Zhao; Niranjan Parab; Tao Sun; Andrew Chihpin Chuang; Kamel Fezzaa; Anping Dong; Baode Sun

doi:10.1080/21663831.2024.2404539

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Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging

Original Report | 更新时间：2026-08-19

- Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging
- Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging
- 材料研究快报（英文） 2024年12卷第12期页码：939-946
- 作者机构：
  
  1. a Shanghai Key Lab of Advanced High-Temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University
  2. b Argonne National Laboratory Lemont IL USA
  3. c Department of Mechanical Engineering Tsinghua University
  4. b Argonne National Laboratory Lemont
  5. a Shanghai Key Lab of Advanced High-Temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai People’s Republic of China
  6. d State Key Lab of Metal Matrix Composites Shanghai Jiao Tong University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2024.2404539
  中图分类号：
- 网络首发：2024-09-28，
  
  纸质出版：2024
- 稿件说明：
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Lianghua Xiong, Shuya Zhang, Cang Zhao, 等. Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging[J]. 材料研究快报（英文）, 2024,12(12):939-946.

Lianghua Xiong, Shuya Zhang, Cang Zhao, et al. Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging[J]. Materials Research Letters, 2024, 12(12): 939-946.
Lianghua Xiong, Shuya Zhang, Cang Zhao, 等. Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging[J]. 材料研究快报（英文）, 2024,12(12):939-946. DOI： 10.1080/21663831.2024.2404539.

Lianghua Xiong, Shuya Zhang, Cang Zhao, et al. Revealing in-situ phase transition during laser additive manufacturing via high-speed synchrotron X-ray diffraction and imaging[J]. Materials Research Letters, 2024, 12(12): 939-946. DOI： 10.1080/21663831.2024.2404539.

摘要

Abstract

Phase transition at the initial solidification stage notably affects subsequent phase structure of peritectic alloys

however

detailed dynamics between entangled three-phase region remains ambiguous in the far-from-equilibrium condition during laser additive manufacturing. Here

in-situ peritectic phase transition during single-layer laser printing of an exemplary 304L stainless steel is directly investigated and quantified at high temporospatial resolution by high-speed synchrotron X-ray diffraction and imaging. These quantitative observations clarify the mechanism of coupled peritectic growth and local remelting at three-phase region. The results revealed provide in-depth understanding of phase transformation dynamics and delicate design of phase structure for metal additive manufacturing.

关键词

Keywords

references

Qu M, Yuan J, Nabaa A, et al. Melting and solidification dynamics during laser melting of reaction-based metal matrix composites uncovered by in-situ synchrotron X-ray diffraction. Acta Mater [Internet]. 2024;271:119875, doi:10.1016/j.actamat.2024.119875 (Open in a new window)Web of Science ®(Open in a new window)Google Scholar

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