Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study

Z. Shang; C. Fan; S. Xue; Jie Ding; Jin Li; T. Voisin; Y. M. Wang; H. Wang; X. Zhang

doi:10.1080/21663831.2019.1604442

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Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study

Original Report | 更新时间：2026-08-19

- Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study
- Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study
- 材料研究快报（英文） 2019年7卷第7期页码：290-297
- 作者机构：
  
  1. School of Materials Engineering Purdue University West Lafayette
  2. Physical and Life Sciences Directorate Lawrence Livermore National Laboratory Livermore
  3. School of Materials Engineering Purdue University West Lafayette IN USA
  4. School of Electrical and Computer Engineering Purdue University West Lafayette
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1604442
  中图分类号：
- 网络首发：2019-04-17，
  
  纸质出版：2019
- 稿件说明：
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Z. Shang, C. Fan, S. Xue, 等. Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study[J]. 材料研究快报（英文）, 2019,7(7):290-297.

Z. Shang, C. Fan, S. Xue, et al. Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study[J]. Materials Research Letters, 2019, 7(7): 290-297.
Z. Shang, C. Fan, S. Xue, 等. Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study[J]. 材料研究快报（英文）, 2019,7(7):290-297. DOI： 10.1080/21663831.2019.1604442.

Z. Shang, C. Fan, S. Xue, et al. Response of solidification cellular structures in additively manufactured 316 stainless steel to heavy ion irradiation: an in situ study[J]. Materials Research Letters, 2019, 7(7): 290-297. DOI： 10.1080/21663831.2019.1604442.

摘要

BSTRACTIn-core or cladding structural materials exposed to heavy ion irradiation often suffer serious irradiation-induced damages. Introducing defect sinks can effectively mitigate irradiation-induced degradation in materials. Here

we investigated t

he radiation response of additively manufactured 316 austenitic stainless steel with high-density solidification cellular structures via

in situ

irradiation at 400°C to 5 dpa. The study shows that the cellular walls with trapped dislocations can serve as effective defect sinks

thus reduce dislocation loop density compared with the conventional coarse-grained counterparts. This study provides a positive step for the potential applications of radiation-resistant

additively manufactured steels in advanced nuclear reactors.

Abstract

we investigated the radiation response of additively manufactured 316 austenitic stainless steel with high-density solidification cellular structures via

in situ

irradiation at 400°C to 5 dpa. The study shows that the cellular walls with trapped dislocations can serve as effective defect sinks

thus reduce dislocation loop density compared with the conventional coarse-grained counterparts. This study provides a positive step for the potential applications of radiation-resistant

additively manufactured steels in advanced nuclear reactors.

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