NUMERICAL PREDICTION OF DEFORMATIONS IN LASER WELDED SHEETS MADE OF X5CrNi18-10 STEEL

被引：12
|
作者：
Piekarska, W. [1 ]
Kubiak, M. [1 ]
Saternus, Z. [1 ]
Stano, S. [2 ]
Domanski, T. [1 ]
机构：
[1] Czestochowa Tech Univ, Inst Mech & Machine Design Fdn, PL-42200 Czestochowa, Poland
[2] Welding Inst, PL-44100 Gliwice, Poland
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2015年 / 60卷 / 03期
关键词：
Laser welding; numerical modelling; ABAQUS; deformations; stainless steel; RESIDUAL-STRESS; BUTT-JOINT; WELDING DISTORTION; TEMPERATURE-FIELD; CARBON-STEEL; SIMULATION;
D O I：
10.1515/amm-2015-0334
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The work concerns the numerical modelling of coupled thermal and mechanical phenomena occurring in the laser beam welding process. Commercial Abaqus FEA engineering software is adopted to numerical computations in order to perform a comprehensive analysis of thermo-mechanical phenomena. Created in Fortran programming language additional numerical subroutines are implemented into Abaqus solver, used to describe the power intensity distribution of the movable laser beam heat source. Temperature dependent thermomechanical properties of X5CrNi18-10 steel are adopted in the numerical analysis of stress and strain states. Mathematical and numerical models are verified on the basis of a comparison between selected results of computer simulations and experimental studies on butt-welded joints. Numerical simulations are presented for steel sheet with a thickness of 2 mm. Temperature distributions, the shape and size of melted zone as well as residual stress and deformations are presented for analyzed elements. Numerically determined deflections are compared with the measured deflection of welded joint.
引用
收藏
页码：1965 / 1972
页数：8
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