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Evaluation of the residual stress state of 42crmo4 steel sheets in a production line

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Evaluation of the residual stress state of 42crmo4 steel sheets in a production line

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Título Evaluation of the residual stress state of 42crmo4 steel sheets in a production line
Autor Dias, Allan Romário de Paula
Nunes, Rafael Menezes
Lima, Toni Roger Schifelbain de
Clarke, Thomas Gabriel Rosauro
Abstract The residual stress state of a mechanical component is an important factor in its production planning and in estimates of its lifecycle since it can be responsible for geometric distortions and degradation of fatigue properties. Therefore, the development of reliable methods for non-destructively quantifying these stresses remains in the interest of most manufacturing industries; Barkhausen magnetic noise measurements have been investigated in several applications and remains a viable option. However, its effective implementation has occurred mostly in components with simple geometries and insignificant microstructural gradients; even in these cases, successful industrial adoption of the method depends on previous calibration with samples that are often difficult and costly to prepare and validate. This work aims at investigating the capability of the method of characterizing the residual stress state in a simple but generally useful application: samples of hot-rolled steel sheets collected at two different stages of processing in an industrial mechanical conformation and heat treatment plant. In this analysis Barkhausen noise measurements were compared to X-ray diffraction results, and statistical analysis tools were used to correlate the results.
Contido em Materials research : ibero-american journal of materials. São Carlos, SP. vol. 19, no. 1 (Jan./Feb. 2016), p. 153-157
Assunto Chapas de aço
Difração de raios X
Ensaios não-destrutivos
Tensão residual
[en] Barkhausen noise
[en] Residual stresses
[en] Steel sheets
[en] X-ray diffraction
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/164573
Arquivos Descrição Formato
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