2017
DOI: 10.1590/1980-5373-mr-2016-1019
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Welded Joints' Heat Affected Zone's Extension Prediction by Switching Welding Parameters

Abstract: Choosing welding parameters is an important step in welding process, directly influencing in the heat input provided to welded joints. This heat input value, along with temperature distribution in welded joints, provides, to the drafter, conditions of predicting the Heat Affected Zone (HAZ) extension, the kind of microstructure to be formed, and therefore, the effects of residual stress. Three welding parameters were switched, providing different welding conditions. Each condition was analyzed by SmartWeld 201… Show more

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Cited by 4 publications
(4 citation statements)
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“…In addition, each pass the welding direction was alternated, since, according to previous studies by the research group 7,8,9 , the alternation or maintenance of the welding direction influence the results of the residual stresses significantly. Small variations in the welding parameters were produced to modify the heat input.…”
Section: Experimental Methodsmentioning
confidence: 99%
“…In addition, each pass the welding direction was alternated, since, according to previous studies by the research group 7,8,9 , the alternation or maintenance of the welding direction influence the results of the residual stresses significantly. Small variations in the welding parameters were produced to modify the heat input.…”
Section: Experimental Methodsmentioning
confidence: 99%
“…As propriedades do revestimento são altamente sensíveis à variação da microestrutura e a falta de controle das fases formadas e das tensões residuais após o processo de deposição pode restringir a aplicação desse revestimento. É importante ressaltar que a análise de tensão residual por soldagem tem sido objeto de estudo em diversas áreas, como aeroespacial, naval, petroquímica, entre outras [7][8][9]. Segundo CHIOCCA et al [10], a tensão residual é um dos principais fatores que afetam a vida útil de componentes soldados, podendo levar a falhas prematuras.…”
Section: Introductionunclassified
“…Na presente análise, as tensões residuais foram medidas pela metodologia DPC em Siqueira Filho et al [3] que, conforme será mostrado, é de baixo custo e de fácil aplicação conforme Melo et al [4] e sensível aos efeitos da anisotropia Sugahara et al [5]. Isso pode ampliar a sua gama de aplicações devido aos bons resultados obtidos e excelente custo benefício para a análise de tensões residuais.…”
Section: Introductionunclassified