NDLI: Combined thermal and bending fatigue of high-temperature metal-matrix composites: computational simulation

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Combined thermal and bending fatigue of high-temperature metal-matrix composites: computational simulation

Content Provider	NASA Technical Reports Server (NTRS)
Author	Gotsis, Pascal K.
Copyright Year	1991
Description	The nonlinear behavior of a high-temperature metal-matrix composite (HT-MMC) was simulated by using the metal matrix composite analyzer (METCAN) computer code. The simulation started with the fabrication process, proceeded to thermomechanical cyclic loading, and ended with the application of a monotonic load. Classical laminate theory and composite micromechanics and macromechanics are used in METCAN, along with a multifactor interaction model for the constituents behavior. The simulation of the stress-strain behavior from the macromechanical and the micromechanical points of view, as well as the initiation and final failure of the constituents and the plies in the composite, were examined in detail. It was shown that, when the fibers and the matrix were perfectly bonded, the fracture started in the matrix and then propagated with increasing load to the fibers. After the fibers fractured, the composite lost its capacity to carry additional load and fractured.
File Size	897940
Page Count	26
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910013934
Archival Resource Key	ark:/13960/t1jh8g26t
Language	English
Publisher Date	1991-06-01
Access Restriction	Open
Subject Keyword	Composite Materials Micromechanics Refractory Materials Stress-strain Relationships Bending Fatigue Failure Analysis Cyclic Loads Metal Matrix Composites Thermal Fatigue Computerized Simulation Laminates Nonlinear Systems Loads Forces Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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