Effect of annealing and strain rate on the microstructure and mechanical properties of austenitic stainless steel 316L manufactured by selective laser melting

被引：0
作者：
Zhou, Zhi-Ping [1 ]
Tan, Zhi-Heng [1 ]
Lv, Jin-Long [1 ]
Zhang, Shu-Ye [2 ]
Liu, Di [3 ]
机构：
[1] Sun Yat Sen Univ, Sino French Inst Nucl Engn & Technol, Zhuhai 519082, Guangdong, Peoples R China
[2] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
[3] Aerosp Sci & Ind Def Technol Res & Test Ctr, Beijing 100854, Peoples R China
来源：
ADVANCES IN MANUFACTURING | 2025年 / 13卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Selective laser melting (SLM); 316L stainless Steel; Strain rate; Mechanical properties; CORROSION BEHAVIOR; INDUCED MARTENSITE; HEAT-TREATMENT; EVOLUTION; PLASTICITY; STRENGTH; DEFORMATION; DUCTILITY; TRANSFORMATION; STRESS;
D O I：
10.1007/s40436-024-00528-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
New insights are proposed regarding the alpha '-martensite transformation and strengthening mechanisms of austenitic stainless steel 316L fabricated using selective laser melting (SLM-ed 316L SS). This study investigates the effects of annealing on the microstructural evolution, mechanical properties, and corrosion resistance of SLM-ed 316L SS specimens. The exceptional ultimate tensile strength (807 MPa) and good elongation (24.6%) of SLM-ed 316L SS was achieved by SLM process and annealing treatment at 900 degrees C for 1 h, which was attributed to effective dislocation strengthening and grain boundary strengthening. During tensile deformation, annealed samples exhibited deformation twinning as a result of the migration from high-angle grain boundaries to low-angle grain boundaries, facilitating the alpha '-martensite transformation. Consequently, a deformation mechanism model is proposed. The contribution of dislocation strengthening (similar to 61.4%) is the most important strengthening factor for SLM-ed 316L SS annealed 900 degrees C for 1 h, followed by grain boundary strengthening and solid solution strengthening. Furthermore, the corrosion resistance of SLM-ed 316L SS after annealing treatment is poor due to its limited re-passivation ability.
引用
收藏
页码：634 / 654
页数：21
相关论文
共 79 条
[1]   Enhanced strength-ductility synergy in nanostructured Cu and Cu-Al alloys processed by high-pressure torsion and subsequent annealing [J].
An, X. H. ;
Wu, S. D. ;
Zhang, Z. F. ;
Figueiredo, R. B. ;
Gao, N. ;
Langdon, T. G. .
SCRIPTA MATERIALIA, 2012, 66 (05) :227-230
[2]  
Astm E., 2004, Standard test methods for determining average grain size
[3]   Hydrogen embrittlement of 3-D printing manufactured austenitic stainless steel part for hydrogen service [J].
Baek, Seung-Wook ;
Song, Eun Ju ;
Kim, Jung Hyun ;
Jung, Myungsik ;
Baek, Un Bong ;
Nahm, Seung Hoon .
SCRIPTA MATERIALIA, 2017, 130 :87-90
[4]   Origin of dislocation structures in an additively manufactured austenitic stainless steel 316L [J].
Bertsch, K. M. ;
de Bellefon, G. Meric ;
Kuehl, B. ;
Thoma, D. J. .
ACTA MATERIALIA, 2020, 199 :19-33
[5]   Characterization of Austenitic Stainless Steels Deformed at Elevated Temperature [J].
Calmunger, Mattias ;
Chai, Guocai ;
Eriksson, Robert ;
Johansson, Sten ;
Moverare, Johan J. .
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2017, 48A (10) :4525-4538
[6]   High-temperature martensitic transformation of CuNiHfTiZr high- entropy alloys [J].
Chang, Shan-Hsiu ;
Lin, Po-Ting ;
Tsai, Che-Wei .
SCIENTIFIC REPORTS, 2019, 9 (1)
[7]   On the enhanced corrosion resistance of a selective laser melted austenitic stainless steel [J].
Chao, Qi ;
Cruz, Victor ;
Thomas, Sebastian ;
Birbilis, Nick ;
Collins, Paul ;
Taylor, Adam ;
Hodgson, Peter D. ;
Fabijanic, Daniel .
SCRIPTA MATERIALIA, 2017, 141 :94-98
[8]   Molecular dynamics study on martensitic transformation behavior of SLM-NiTi alloy induced by temperature and stress [J].
Che, Jianwei ;
Shi, Guangfeng ;
Li, Lunxiang ;
Yu, Zhenglei ;
Zhang, Jingran ;
Wang, Yonghua ;
Zhou, Tianwen .
PHYSICA SCRIPTA, 2023, 98 (09)
[9]   Enhancement of an additive-manufactured austenitic stainless steel by post-manufacture heat-treatment [J].
Chen, Nan ;
Ma, Guoqiang ;
Zhu, Wanquan ;
Godfrey, Andrew ;
Shen, Zhijian ;
Wu, Guilin ;
Huang, Xiaoxu .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2019, 759 :65-69
[10]   Strengthening mechanisms in selective laser melted 316L stainless steel [J].
Chen, Siqi ;
Ma, Guoqiang ;
Wu, Guilin ;
Godfrey, Andrew ;
Huang, Tianlin ;
Huang, Xiaoxu .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2022, 832
12345678