Experimental comparison of residual stresses for a thermomechanical model for the simulation of selective laser melting

被引：115

作者：

Hodge, N. E. ^{[1
]}

Ferencz, R. M. ^{[1
]}

Vignes, R. M. ^{[2
]}

机构：

[1] LLNL, Methods Dev Grp, Livermore, CA 94550 USA

[2] LLNL, Computat Engn Div, Livermore, CA 94550 USA

来源：

ADDITIVE MANUFACTURING | 2016年 / 12卷

关键词：

Experimental comparison; Residual stresses; Finite elements; Multi-physics; Additive manufacturing; Selective laser melting;

D O I：

10.1016/j.addma.2016.05.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Selective laser melting (SLM) is an additive manufacturing process in which multiple, successive layers of metal powders are heated via laser in order to build a part. Modeling of SLM requires consideration of the complex interaction between heat transfer and solid mechanics. The present work describes the authors initial efforts to validate their first generation model, as described in Hodge et al. [1]. In particular, the comparison of model-generated solid mechanics results, including both deformation and stresses, is presented. Additionally, results of various perturbations of the process parameters and modeling strategies are discussed. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：159 / 168

页数：10

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