Stress-strain state of compensated and non-compensated welded joints

In this work, the authors calculated the distribution of fields of residual stresses in metal-ceramic joints using the finite element method. From the mathematical viewpoint, determination of the SSS is a problem of thermoelastoplasticity, whose specific feature is the examination of the non-uniform...

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Bibliographic Details
Published in:Welding international 1999-01, Vol.13 (6), p.478-481
Main Authors: Musin, R A, Lyamin, Ya V
Format: Article
Language:English
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Summary:In this work, the authors calculated the distribution of fields of residual stresses in metal-ceramic joints using the finite element method. From the mathematical viewpoint, determination of the SSS is a problem of thermoelastoplasticity, whose specific feature is the examination of the non-uniform component over a wide temperature range, i.e. the problem is non-linear. Therefore, the algorithm is based on the ratios of the theory of plastic yielding in increments. The method of solving the problem using this theory was examined in detail in Reference 9. The physical properties of the welded materials were assumed to be dependent on temperature, and the mechanical properties on temperature and strain in accordance with Reference 1, 10 and 11. Materials: AD1 aluminum base alloy, M0 copper base alloy and VK94-1 ceramic material. Graphs., 11 ref.
ISSN:0950-7116
1754-2138
DOI:10.1080/09507119909447399