Evaluation of the residual stresses in metallic materials produced by additive manufacturing technology: effect of microstructure

被引：26

作者：

Azarmi, Fardad ^{[1
]}

Sevostianov, Igor ^{[2
]}

机构：

[1] North Dakota State Univ, Dept Mech Engn, POB 6050,Dept 2490, Fargo, ND 58108 USA

[2] New Mexico State Univ, Dept Mech & Aerosp Engn, POB 30001, Las Cruces, NM 88001 USA

来源：

CURRENT OPINION IN CHEMICAL ENGINEERING | 2020年 / 28卷

关键词：

MAXWELL HOMOGENIZATION SCHEME; EFFECTIVE ELASTIC PROPERTIES; STAINLESS-STEEL; MODULI; DIFFRACTION; COMPOSITES; BEHAVIOR; TENSORS; PARTS; 316L;

D O I：

10.1016/j.coche.2019.12.004

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Additive manufacturing (AM) of metals and alloys opens tremendous opportunities in production of parts with complex shapes and geometries. One of the main challenges is formation of residual stress during fabrication processes which substantially affects service life of engineering components. This paper provides a brief introduction to different types, formation mechanisms, and measurement techniques of the residual stress in metals produced by AM technology. The highlight of this study is to propose a novel quantitative model to estimate residual stress in 3D printed metallic components using micromechanical analysis. Finally, the validity of the proposed model is examined by comparison with the experimental data available in literature.

引用

页码：21 / 27

页数：7

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