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RISDesign Considerations for Materials with Negative Poisson’s Ratios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article presents a study of the implications of negative Poisson’s ratios in the design of components subjected to stress. When the Poisson’s ratio becomes negative, stress concentration ...
Dynamical Study of Couple Stress Effects in Human Compact Bone
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Torsional resonance experiments performed on wet human compact bone disclose effects due to couple stress. The characteristic length, which is an additional material coefficient which appears in ...
Saint-Venant End Effects for Materials With Negative Poisson’s Ratios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper we analyze Saint-Venant end effects for materials with negative Poisson ’s ratios. We present an example of slow decay of stress arising from selfequilibrated stress at the end ...
A Pathological Situation in Micropolar Elasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The case of zero coupling number N in micropolar elasticity is considered. This situation has been examined by several investigators to simplify the analysis of micropolar materials. We show ...
Interrelation of Creep and Relaxation: A Modeling Approach for Ligaments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental data (Thornton et al., 1997) show that relaxation proceeds more rapidly (a greater slope on a log-log scale) than creep in ligament, a fact not explained by linear viscoelasticity. ...
Micromechanical Analysis of Dynamic Behavior of Conventional and Negative Poisson’s Ratio Foams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Both conventional and negative Poisson ’s ratio foams exhibit dispersion of acoustic waves, as well as cut-off frequencies, at which the group velocity tends to zero. This macroscopic behavior ...
Analysis of High Volume Fraction Irregular Particulate Damping Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Concentrated suspensions of inclusions occur in asphalt and dental composite resins. Concentrated suspensions are also of use in achieving a combination of high stiffness and loss (the product ...
Transient Study of Couple Stress Effects in Compact Bone: Torsion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Couple stress theory, which admits an internal moment per unit area as well as the usual force per unit area, is a generalization of classical elasticity. Experimentally we have demonstrated ...
Study of Bolt Load Loss in Bolted Aluminum Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Bolted joints are used widely in mechanical design and represent a weak link in a system where loss of joint clamping force can lead to degraded product performance or human injury. To meet ...
The Material Properties of Bone-Particle Impregnated PMMA
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The elastic Young’s modulus and shear modulus of bone-particle impregnated polymethylmethacrylate (PMMA) has been measured experimentally at room temperature as a function of bone particle ...