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Thermal Stress Analysis of Functuonally Graded Ceramic/Metal Composites(I)-Plasma Spraying Material-
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 Title & Authors
Thermal Stress Analysis of Functuonally Graded Ceramic/Metal Composites(I)-Plasma Spraying Material-
Song, Jun-Hee; Lim, Jae-Kyoo; Chung, Se-Hi;
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 Abstract
A traditional notion of composites has been composed as a uniform dispersoid, but now it is proposed without regard to such rule with process development. Functionally Graded Material(FGM) consists of a new material design that is to make intentionally irregular dispersion state. In this study, thermal stress analysis of plasma spraying PSZ/NiCrAlY gradient material was conducted theoretically using a finite-element program. A formations of the model are direct bonding material(NFGM) and FGM with PSZ and NiCrAlY component element. The temperature conditions were to 1100.deg. C assuming a cooling-down precess up to room temperature. Fracture damage mechanism was analyzed by the parameters of residual stress.
 Keywords
Functionally Graded Material;Thermal Stress;Finite Element Analysis;Plasma Spraying;Delamination;Vertical Crack;Fracture Mechanism;
 Language
Korean
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