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RISApproximate Laplace Transform Inversion in Dynamic Viscoelasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laplace transform techniques greatly simplify many problems in linear viscoelasticity. However, if realistic material property representations are used, inversion of the resulting transforms can be ...
A Constitutive Model for High Elongation Elastic Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent advances in computer based structural analysis have in turn led to increased demands for models that can accurately represent material stress-strain behavior. The constitutive representation ...
On the Mechanics of Microcracking in Fiber Composite Laminates Under Combined Stress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The formation of matrix microcracks in fiber composite laminates has been widely observed. The present paper addresses the mechanics of this microcracking by means of a shear lag model in ...
A Micro-Mechanics Model for In-Situ Compression Strength of Fiber Composite Laminates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compression failure in fiber composites is of much interest, and is often a limiting factor in applications because of the lower compressive strength relative to tensile strength. In the present ...
A Stress Gradient Theory of Rock Fracture In Drilling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It seems likely that improvements in drilling mechanics will result from an understanding of the stress and strain fields in the rock. Along with this an understanding of rock fracture under ...
Progressive Failure in Carbon/Epoxy Laminates Under Biaxial Stress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite a number of previous investigations, the question of what criterion to use to predict ultimate failure in fiber composite laminates is still open to question, and particulary so when ...
Mechanical Characterization of IM7/8551-7 Carbon/Epoxy Under Biaxial Stress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the results of a detailed characterization of the relatively new IM7/8551-7 carbon/epoxy material system under conditions of multiaxial stresses applied to both laminae and ...
Fracture Analysis of Ceramic Proppants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Small particles (traditionally sand) are mixed with fluid in hydraulic fracturing treatments of petroleum wells to stimulate production. The solid particles, called proppants, are used to prop ...
Characterization of Prepreg Tow Carbon/Epoxy Laminates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Resin systems used in wet filament winding differ from those used in prepreg laminates. However it is possible to use the resins from prepreg systems in filament winding by using prepreg tows. ...
Strength Loss in Composite Cylinders Under Impact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The problem of strength loss in composite structures due to impact appears to be important due to the sensitivity of advanced composites to these loadings. Although a number of studies have ...