Transactions of the Japan Society of Mechanical Engineers Series A
Online ISSN : 1884-8338
Print ISSN : 0387-5008
Bending Deformation of Thin Plate Heated Locally by Laser
Shigeyasu AMADANaoki SHIRAI
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1996 Volume 62 Issue 604 Pages 2764-2769

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Abstract
A thin plate is heated locally by a laser beam and simultaneously, a large thermal elastic plastic stress-strain state is generated in the heated, thin surface layer. This state can lead to plate bending upon cooling. The bending configuration depends mostly on the plate geometry, and heating and cooling process. We presents some experimental results of bending the plate in V-, U- and concave shapes. A model of this process is constructed and the theoretical predictions are carried out based on FEM analysis using eleastic-plastic theory. Bending angles obtained experimentally and theoretically are in good agreement.
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