NeT bead-on-plate round robin: Comparison of residual stress predictions and measurements

被引：101

作者：

Smith, M. C. ^{[1
]}

Smith, A. C. ^{[1
]}

机构：

[1] British Energy Generat Ltd, Barnwood GL4 3RS, Glos, England

来源：

INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING | 2009年 / 86卷 / 01期

关键词：

Weld residual stress simulation; Benchmarking; Accuracy; Comparison with measurements; Material hardening models;

D O I：

10.1016/j.ijpvp.2008.11.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The members of the European network NeT have undertaken parallel round robin activities measuring and simulating the residual stresses generated by laying a single Tungsten Inert Gas (TIC) weld bead on an AISI Type 316L austenitic stainless steel flat plate. This is a strongly three-dimensional configuration with many of the characteristics of a repair weld. The round robin finite element predictions of weld residual stresses are compared with each other in order to identify the effects on the predicted residual stresses of material hardening model, global heat input, mechanical and thermal boundary conditions, and the handling of high temperature inelastic strains. Comparison with the residual stress measurements then leads to the optimum choices for these variables. (C) 2008 Published by Elsevier Ltd.

引用

页码：79 / 95

页数：17

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