... strain gauges stress effects stress-strain relations slitting method residual stress shear stress normal stress One of the most important problems in the manufacturing processes of composite materials is the residual stresses. Residual stresses in composite materials are mainly...

... stress effects, i.e., the pressure factor M = 0 , the formulation is then reduced to natural diffusion. The objective of this work is to model the oxygen diffusion process for alloy RR1000 at the grain level, aiming to quantify the oxidation damage for the material under surface...

... conditions. 12 03 2009 29 07 2009 18 02 2010 18 02 2010 deformation fatigue stainless steel stress effects stress relaxation work hardening aluminum 7075-T6 stainless steel 304L cyclic hardening deformation history effect prehardening mean stress fatigue life...

... finite element analysis stress effects Young's modulus optical mapping nonhomogeneous materials contact stresses Nonhomogeneous materials often referred to as functionally graded materials (FGMs) represent to a classification wherein material composition and hence mechanical and thermal...

... in dwell fatigue. crystal plasticity finite element analysis Ti-6242 creep dwell fatigue titanium alloys finite element analysis plasticity crystal microstructure creep elasticity creep testing optical microscopy genetic algorithms fatigue cracks stress effects plastic...

... of both B → R and R → B 19 ′ processes. The R-phase related strains increase in magnitude and start earlier with increasing applied stress due to the stress effect on the mixture of tensile and compressive variants and the Clausius-Clapeyron equation 3 , respectively. However...

... relations stress effects plasticity internal stresses cooling cyclic deformation constitutive equations temperature dependent properties fatigue metal matrix composites Whenever two different materials are combined, as is the case for composites, the mechanical properties of each...

... of the constituting laminae. This causes the anisotropic and non-self similar delamination propagation along the interface. The asymmetric and nonuniform variations in the nature of energy release rate plots obtained in a thermomechanical loading environment are significant when curing stress effects are included...

... behavior. The authors gratefully acknowledge the support of Dr. Jeffrey Calcaterra, High Cycle Fatigue Program at Materials and Manufacturing Directorate, Air Force Research Laboratory. 03 06 2004 15 06 2005 titanium alloys aluminium alloys vanadium alloys wear fatigue stress...

... made from AISI 4340 under different peening and thermomechanical cyclic overload. steel shot peening thermomechanical treatment internal stresses stress relaxation yield strength indentation elastoplasticity finite element analysis stress effects Shot-peening is a commonly used...

... deformation tensile testing elastic constants Young's modulus stress effects Kevlar ® KM2 fabrics are widely used to produce personnel protection systems because of their impact-resistant properties. To understand the deformation process of a fabric armor system during impact, many aspects...

... deformation elasticity work hardening crystal microstructure stress effects internal stresses The composition of the material used in the present study is 50.4Ni–49.6Ti (at.%). A f is around 296 K. Circular cylindrical samples with 5 mm nominal diameter and 5 mm nominal length are cut...

... creep testing stress effects Polysilicon Material Properties Creep Measurements High Temperature Plastic Deformation In this paper, work done to identify material properties of polysilicon thin films is discussed, addressing the challenges of defining and measuring at smaller length scales...

... stress effects scanning electron microscopy optical microscopy X-ray diffraction X-ray chemical analysis ferromagnetic materials A large percentage of power plants all over the world have been in operation for such long durations that the critical components have been used beyond the design...

... of Residual Stress on Fatigue Crack Propagation ,” Residual Stress Effects in Fatigue , ASTM STP , 776 , pp. 172 – 194 . Parker , A. P. , 1982 , “ Stress Intensity Factors, Crack Profiles, and Fatigue Crack Growth Rates in Residual Stress Fields ,” Residual Stress Effects in Fatigue , ASTM STP...