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Journal of Materials Engineering and Performance
Published in: Journal of Materials Engineering and Performance 8/2017

28-07-2017

Inverse Thermal Analysis of Alloy 690 Laser and Hybrid Laser–GMA Welds Using Solidification-Boundary Constraints

Author: S. G. Lambrakos

Published in: Journal of Materials Engineering and Performance | Issue 8/2017

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Abstract

An inverse thermal analysis of Alloy 690 laser and hybrid laser–GMA welds is presented that uses numerical–analytical basis functions and boundary constraints based on measured solidification cross sections. In particular, the inverse analysis procedure uses three-dimensional constraint conditions such that two-dimensional projections of calculated solidification boundaries are constrained to map within experimentally measured solidification cross sections. Temperature histories calculated by this analysis are input data for computational procedures that predict solid-state phase transformations and mechanical response. These temperature histories can be used for inverse thermal analysis of welds corresponding to other welding processes whose process conditions are within similar regimes.
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Metadata
Title
Inverse Thermal Analysis of Alloy 690 Laser and Hybrid Laser–GMA Welds Using Solidification-Boundary Constraints
Author
S. G. Lambrakos
Publication date
28-07-2017
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 8/2017
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-017-2838-9

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