Numerical Investigation of Thermal Stresses in Surface Layer of Si3N4 Ceramics in Laser Processing

Author:

Kuzin Valery V.1,Fedorov Sergey1,Dašić Predrag2,Portnoy Mike1

Affiliation:

1. University «Stankin»

2. SaTCIP Publisher Ltd.

Abstract

The laser processing has the ability for effective machining of ceramic materials because of high energy beam acting on a very small area. The stress-strain state of surface layer of Si3N4 ceramics in laser processing was investigated with the use of finite element method to compute the temperature and stress fields. The effect of heat flow on thermal stresses was discussed in terms of the results of the numerical experiment.

Publisher

Trans Tech Publications, Ltd.

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