Modeling of surface oxidation and oxidation induced damage in metal matrix composites /

analysis of a unidirectional SiC/Ti-15-3 composite undergoing

Bibliographic Details
Main Author: Ma, Xinzheng, 1961-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:analysis of a unidirectional SiC/Ti-15-3 composite undergoing
and SEM analysis are being carried out for unidirectional
as Sigma/Ti-15-3 and SCS-6/[]21s.
benchmark problems in oxidation of MMCs. The closed form
concentration across the interface. The problem of a
cylindrical cavity, as well as inward oxygen diffusion and
detailed stress analysis is made for this purpose by using a
for by the introduction of a jump discontinuity in the oxygen
infinite solid, outward oxygen diffusion and oxidation from a
laminates with Ti based matrix material and SiC fibers such
layer and metal matrix. The oxidation process and the
modeled by Fickian diffusion of oxygen in both the oxide
moving interface problem. In addition to the surface
oxidation formulation, a one-way coupled thermomechanical
oxidation from surface of cylinder, are considered as
resulting immobilized oxygen at the interface is accounted
simple tension is performed and the critical applied load for
solution for the planar diffusion is obtained and is used for
surface crack formation in the oxide layer is evaluated. A
Surface oxidation in metal matrix composites (MMC's) is
the comparison with a finite element formulation of the
uniformly growing oxide layer from the surface of a semi-
variational approach. In addition, thermomechanical testing
Item Description:"Major subject: Aerospace Engineering".
Vita.
Physical Description:ix, 66 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.