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Estimation of Plate Deformation in Thermal Processing using the Eigenstrain Concept  

손광재 (전남대학교 대학원 기계공학과)
양영수 (전남대학교 기계공학과)
장상균 (전남대학교 대학원 기계공학과)
Publication Information
Journal of Welding and Joining / v.21, no.1, 2003 , pp. 54-59 More about this Journal
Abstract
In the present work, a formula for plate deformation produced by line heating, in terms of process parameters such as heat input and plate dimensions, is developed analytically using an eigenstrain concept. The residual deformation that was due to thermal process was depends on the magnitude and region of plastic strains at heating zone. The magnitude of plastic strains was determined by disk model and its region was calculated using the Rosenthal"s solution. The vertical displacement of the plate was analyzed by using an infinite laminated plate theory to consider a cuboidal inclusion with an eigenstrain. Comparison of the calculated results and experimental data shows the accuracy and validity of proposed method.thod.
Keywords
Eigenstrain; Plastic strain; Circular model;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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