Failure and fatigue mechanisms in composite materialsA phenomenological description of microfailure under monotonic and cyclic loading is presented, emphasizing the significance of material inhomogeneity for the analysis. Failure in unnotched unidirectional laminates is reviewed for the cases of tension, compression, shear, transverse normal, and combined loads. The failure of notched composite laminates is then studied, with particular attention paid to the effect of material heterogeneity on load concentration factors in circular holes in such laminates, and a 'materials engineering' shear-lay type model is presented. The fatigue of notched composites is discussed with the application of 'mechanistic wearout' model for determining crack propagation as a function of the number of fatigue cycles.-
Document ID
19760039496
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Rosen, B. W. (Materials Sciences Corp. Blue Bell, PA, United States)
Kulkarni, S. V. (Materials Sciences Corp. Blue Bell, PA, United States)
Mclaughlin, P. V., Jr. (Materials Sciences Corp. Blue Bell, Pa., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1975
Subject Category
Composite Materials
Meeting Information
Meeting: Inelastic behavior of composite materials