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090			_aB-16335
245	1	0	_aA study of stress distribution in model composites by using finite-element analysis. I. End effects
490	0		_vJournal of Polymer Science Part B: Polymer Physics, 30(6), p.603-618, 1992
520	3		_aThe stress distribution along a fiber in model polymer composites has been calculated using a finite-element analysis technique. Earlier experimental studies suggested that the stress distribution for fibers with tapered ends is much more efficient in carrying an external load than is the case for fibers with blunt ends. Both thermal residual (compressive)stress and tensile stress distributions along the reinforcement fiber have been measured with high sensitivity and spatail resolution. For fibers with blunt ends, the measured stress distribution agrees well with the stress distribution expected for an idealized shear-lag model. For tapered fibers, the stress distribution measured is a constant along the fiber and a critical length was not found. Finite-element calculations agree well with these experimental data. In addition, the stress distribution in the fiber, i.e., the radial dependence and the relative strain in both the fiber and matrix, was calculated. A detailed description of possible failure modes for the discontinuous fiber composites is provided based mainly on the finite-element calculation.
650	1	4	_aCOMPOSITES
650	1	4	_aFINITE ELEMENT ANALYSIS OF STRESSES IN; FIBER REINFORCED COMPOSITES
650	1	4	_aSTRESS DISTRIBUTIONS IN; STRESS DISTRIBUTION CALCULATED FOR MODEL COMPOSITES
650	1	4	_aEND EFFECTS IN
700	1	2	_aFan, C.F.
700	1	2	_aHsu, S.L.
856	4	0	_uhttps://drive.google.com/file/d/1EBS998nIP0XWcuwRqAxIFY4SNlyVUUSo/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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