Development of a Material Model for the Use in Life-Time Estimate of Structures

被引：0

作者：

Sandu, Ionela Alina ^{[1
]}

Ducu, Catalin ^{[1
]}

Moga, Sorin ^{[1
]}

Tabacu, Stefan ^{[1
]}

机构：

[1] Univ Pitesti, Targu Vale 1, Pitesti 110040, Arges, Romania

来源：

PROCEEDINGS OF THE 4TH INTERNATIONAL CONGRESS OF AUTOMOTIVE AND TRANSPORT ENGINEERING (AMMA 2018) | 2019年

关键词：

Tensile testing; DIC; XRD residual stress; Material model; RESIDUAL-STRESS;

D O I：

10.1007/978-3-319-94409-8_47

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study is focused on developing of a material capable to be used for numerical prediction of mechanical structures life time. A damage model was implemented starting from a classical stress-strain dataset and it is influence over the results was evaluated. An enhanced analysis of the strain field was achieved by using tensile testing on shaped specimens in conjunction with Digital Image Correlation (DIC). A specialized method, X-Ray Diffraction (XRD), for the investigation of the residual stresses was also used to correlate the strain field with the residual stresses stored by the deformed specimens.

引用

页码：405 / 412

页数：8

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