Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy

Bogdan Dovgyy; Marco Simonelli; Minh-Son Pham

doi:10.1080/21663831.2021.1922945

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Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy

Original Report | 更新时间：2026-08-19

- Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy
- Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy
- 材料研究快报（英文） 2021年9卷第8期页码：350-357
- 作者机构：
  
  1. a Department of Materials Imperial College London
  2. b Centre for Additive Manufacturing University of Nottingham
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2021.1922945
  中图分类号：
- 网络首发：2021-05-13，
  
  纸质出版：2021
- 稿件说明：
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Bogdan Dovgyy, Marco Simonelli, Minh-Son Pham. Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy[J]. 材料研究快报（英文）, 2021,9(8):350-357.

Bogdan Dovgyy, Marco Simonelli, Minh-Son Pham. Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy[J]. Materials Research Letters, 2021, 9(8): 350-357.
Bogdan Dovgyy, Marco Simonelli, Minh-Son Pham. Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy[J]. 材料研究快报（英文）, 2021,9(8):350-357. DOI： 10.1080/21663831.2021.1922945.

Bogdan Dovgyy, Marco Simonelli, Minh-Son Pham. Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy[J]. Materials Research Letters, 2021, 9(8): 350-357. DOI： 10.1080/21663831.2021.1922945.

摘要

This study developed a design methodology against liquid-state cracking by combining the Scheil–Gulliver solidification simulations and Machine Learning analysis to design alloys for Fusion Additive Manufacturing. Applying this design approach resulted in a Fe–20Cr–7Al–4Mo–3Ni. The alloy was successfully printed with relative densities of over 99%. Microstructure of printed material was extensively characterised through scanning and transmission electron microscopy

energy dispersive spectroscopy and x-ray diffraction

confirming a single-phase material with low texture and negligible chemical segregation. Neither solidification nor liquation cracks were detected

supporting the validity of the methodology

however

the alloy suffered from solid-state cracking

hindering the ductility.

Abstract

energy dispersive spectroscopy and x-ray diffraction

confirming a single-phase material with low texture and negligible chemical segregation. Neither solidification nor liquation cracks were detected

supporting the validity of the methodology

however

the alloy suffered from solid-state cracking

hindering the ductility.

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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 National Engineering Research Center of Near-net-shape Forming for Metallic Materials Guangdong Provincial Key Laboratory for Processing and Forming of Advanced Metallic Materials South China University of Technology

b State Key Laboratory for Materials Processing and Die and Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology

a State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi’an People’s Republic of China

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