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RISNotion of Continuum Damage Mechanics and its Application to Anisotropic Creep Damage Theory
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: After discussing the notion and the practical procedures of continuum damage mechanics, their utility is elucidated by applying them to formulate an anisotropic creep damage theory for nonsteady ...
Mechanical Modeling of Material Damage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A systematic theory to describe the anisotropic damage states of materials and a consistent definition of effective stress tensors are developed within the framework of continuum damage mechanics. ...
Relation Between Diffuse Axonal Injury and Internal Head Structures on Blunt Impact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Diffuse axonal injury (DAI) is a severe head injury, which exhibits symptoms of consciousness disturbance and is thought to occur through rotational angular acceleration. This paper analyzes the ...
Effects of Third Invariant of Deviatoric Stress Tensor on Transient Creep of Thick-Walled Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Creep theories with the effect of the third invariant of the deviatoric stress tensor and their accuracy as applied to practical problems are discussed. Constitutive equations for transient creep ...
Large Deflection in Elastoplastic Bending of a Simply Supported Circular Plate Under a Uniform Load
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper is concerned with the analysis of the large elastoplastic deflection of a simply supported plate subjected to a uniform load. The analysis is performed under the assumptions ...
Axisymmetric Creep Buckling of Circular Cylindrical Shells in Axial Compression
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Creep buckling of axially compressed circular cylindrical shells with axisymmetric initial imperfection is discussed with special emphasis on the general features of its unstable process. An ...
Experimental Evaluation of Creep Constitutive Equations for Type 304 Stainless Steel Under Non-Steady Multiaxial States of Stress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to evaluate the validity and limitations of the creep-hardening surface model proposed by the present authors, a series of creep tests for type 304 stainless steel were performed at ...
Formulation of Cross-Hardening in Creep and its Effect on the Creep Damage Process of Copper
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper is concerned with the modelling of creep and creep damage in polycrystalline metals and the experimental evaluation of the proposed model. By ascribing the reduction of creep ...
Creep After Cyclic-Plasticity Under Multiaxial Conditions for Type 316 Stainless Steel at Elevated Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: History effects of cyclic-plasticity on subsequent creep have been elucidated for type 316 stainless steel at 600°C under multiaxial states of stress. Tension-compression and circular strain ...
Nonstationary Oscillation of a Rotating Shaft With Nonlinear Spring Characteristics During Acceleration Through a Major Critical Speed (A Discussion by the Asymptotic Method and the Complex-FFT Method)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonstationary oscillations during acceleration through a major critical speed of a rotating shaft with nonlinear spring characteristics are discussed. First, the first approximate solutions of ...