Finite element based parametric study on the characterization of weld process moving heat source parameters in austenitic stainless steel
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首页> 外文期刊>International Journal of Pressure Vessels and Piping >Finite element based parametric study on the characterization of weld process moving heat source parameters in austenitic stainless steel
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Finite element based parametric study on the characterization of weld process moving heat source parameters in austenitic stainless steel

机译：基于有限元参数研究奥氏体不锈钢焊接工艺移动热源参数

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AbstractIn this paper, significant aspects of weld process double ellipsoidal moving heat source geometric parameters are investigated. A three-dimensional finite element analysis is performed for AISI 304 stainless steel thin cylindrical components. During simulations, a sequentially coupled thermo-metallurgical-mechanical analysis is employed for sixteen different geometrical conditions of heat source model. The results reveal that there is a marginal affect on weld pool size and shapes, temperature distributions with the variation in moving heat source geometric parameters; whereas no influence on the residual stress distributions. Moreover, the validity of the numerical simulation results is validated through full-scale shop floor welding experiments.Highlights?Characterization of GTAW process moving heat source geometric parameters.?Three-dimensional sequentially coupled thermo-metallurgical-mechanical analysis.?Weld pool size and shapes, temperature and residual stresses for AISI 304 SS.?Validation of numerical simulation results with the experimental measurements.]]>
机译：<！[CDATA [ 抽象 在本文中，研究了焊接过程双椭圆形移动热源几何参数的显着方面。对AISI 304不锈钢薄圆柱形部件进行三维有限元分析。在模拟期间，采用序贯耦合的热冶金 - 力学分析在热源模型的16个不同的几何条件下采用。结果表明，焊接池大小和形状有边缘影响，温度分布与移动热源几何参数的变化;虽然没有对残余应力分布的影响。此外，通过全尺寸车间焊接实验验证了数值模拟结果的有效性。 突出显示 < ce：simple-para id =“abspara0015”查看=“全部”> ？ GTAW过程移动热源几何参数的表征。 ？ 三维顺序耦合热冶金机械分析。 ？ 焊接池大小和形状，温度和Re. AISI 304 SS的行动应力。 ？ 使用实验测量的数值模拟结果验证。 ]]>

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