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Microfracture in high temperature metal matrix laminatesComputational simulation procedures are described to evaluate the composite microfracture behavior, establish the hierarchy/sequence of fracture modes, and the influence of compliant layers and partial debonding on composite properties and microfracture initiation. These procedures are based upon three-dimensional finite element analysis and composite micromechanics equations. Typical results for the effects of compliant layers and partial debonding, microfracture initiation, and propagation and the thermomechanical cyclic loading on a SiC/Ti15 composite system are presented and discussed. The results show that interfacial debonding follows fiber or matrix fracture, and the thermomechanical cyclic loading severely degrades the composite integrity.
Document ID
19920004904
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Mital, Subodh K. (Toledo Univ. OH., United States)
Chamis, Christos C. (NASA Lewis Research Center Cleveland, OH, United States)
Gotsis, Pascal K. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1991
Subject Category
Composite Materials
Report/Patent Number
NASA-TM-105189
NAS 1.15:105189
E-6491
Report Number: NASA-TM-105189
Report Number: NAS 1.15:105189
Report Number: E-6491
Meeting Information
Meeting: Structures, Structural Dynamics, and Materials Conference
Location: Baltimore, MD
Country: United States
Start Date: April 8, 1991
End Date: April 10, 1991
Sponsors: ASME, AIAA, ASCE, ASC, AHS
Accession Number
92N14122
Funding Number(s)
PROJECT: RTOP 505-63-5B
CONTRACT_GRANT: NAG3-1264
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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