Strong and ductile reduced activation ferritic/martensitic steel additively manufactured by selective laser melting

M. G. Jiang; Z. W. Chen; J. D. Tong; C. Y. Liu; G. Xu; H. B. Liao; P. Wang; X. Y. Wang; M. Xu; C. S. Lao

doi:10.1080/21663831.2019.1631224

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Strong and ductile reduced activation ferritic/martensitic steel additively manufactured by selective laser melting

Reports | 更新时间：2026-08-19

- Strong and ductile reduced activation ferritic/martensitic steel additively manufactured by selective laser melting
- Materials Research Letters Vol. 7, Issue 10, Pages: 426-432(2019)
- 作者机构：
  
  1. Additive Manufacturing Institute College of Mechatronics and Control Engineering Shenzhen University Shenzhen People’s Republic of China
  2. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Optoelectronic Engineering Shenzhen University
  3. Additive Manufacturing Institute College of Mechatronics and Control Engineering Shenzhen University
  4. Department of Automation College of Mechatronics and Control Engineering Shenzhen University
  5. Southwestern Institute of Physics
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1631224
  CLC：
- Online First：21 June 2019，
  
  Published：2019
- 稿件说明：
移动端阅览
M. G. Jiang, Z. W. Chen, J. D. Tong, et al. Strong and ductile reduced activation ferritic/martensitic steel additively manufactured by selective laser melting[J]. Materials Research Letters, 2019, 7(10): 426-432.
DOI：

M. G. Jiang, Z. W. Chen, J. D. Tong, et al. Strong and ductile reduced activation ferritic/martensitic steel additively manufactured by selective laser melting[J]. Materials Research Letters, 2019, 7(10): 426-432. DOI： 10.1080/21663831.2019.1631224.

摘要

Abstract

BSTRACTSelective laser melting (SLM) was successfully applied to fabricate strong and ductile reduced activation ferritic/martensitic (RAFM) steel by introducing heterogeneous multi-/bimodal microstructure. The SLM-built RAFM steel exhibited an excellent combination of strength and ductility (i.e. yield strength of 1053 ± 4.7 MPa and elongation of 16.9 ± 0.4%)

well surpassing the previously reported counterparts. The superior strength was expected from the refined grains and lath martensites

and the high ductility was associated with the improved dislocation-controlled strain hardening capability. This work provides a basis for developing high-performance RAFM steel by microstructural design via SLM.

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