Case-Study Inverse Thermal Analyses of Al2139 Laser Welds

• Published in: Journal of materials engineering and performance Vol. 21; no. 6; pp. 777 - 785
• Main Authors: Zervaki, A. D., Haidemenopoulos, G. N., Vriami, D. P., Lambrakos, S. G.
• Format: Journal Article
• Language: English
• Published: Boston Springer US 01.06.2012; Springer Nature B.V
• Subjects: Basis functions; Characterization and Evaluation of Materials; Chemistry and Materials Science; Computer programs; Corrosion and Coatings; Deposition; Engineering Design; Inverse; Laser beam welding; Materials Science; Process parameters; Quality Control; Reliability; Safety and Risk; Thermal analysis; Tribology; Welded joints; modeling processes; welding; aluminum
• ISSN: 1059-9495; 1544-1024
• DOI: 10.1007/s11665-011-9968-2

Case study inverse thermal analyses of A12139 laser welds are presented. These analyses employ a numerical methodology that is in terms of analytic and numerical basis functions for inverse thermal analysis of steady state energy deposition in plate structures. The results of the case studies presented provide parametric representations of weld temperature histories that can be adopted as input data to various types of computational procedures, such as those for prediction of solid-state phase transformations and their associated software implementations. In addition, these weld temperature histories will be useful for construction of numerical basis functions that can be adopted for inverse analysis of welds corresponding to other process parameters or welding processes whose process conditions are within similar regimes.