... as a function of the applied magnetic field strength, volumetric flow rate, and surface topology, without utilizing the concept of shear yield stress. A channel flow rheometer with interchangeable channel walls is built to demonstrate that the pressure loss across the MR fluid flow channel is significantly...

... of an Infinite Sheet Having a Circular Hole Under Pressure ,” ASME J. Appl. Mech. 0021-8936 , 42 , pp. 347 – 352 . 10.1115/1.3423579 Bengeri , M. , and Mack , W. , 1994 , “ The Influence of the Temperature Dependence of the Yield Stress on the Stress Distribution in a Thermally Assembled...

...-8979 , 45 , pp. 4339 – 4345 . 10.1063/1.1663054 Thompson , C. V. , 1993 , “ The Yield Stress of Polycrystalline Thin Films ,” J. Mater. Res. 0884-2914 , 8 , pp. 237 – 238 . 10.1557/JMR.1993.0237 This material is based on work supported by the National Science Foundation...

... element (FE) simulations have been used for its evaluation. Thereby, the micromechanical plastic effects and wave propagation effects must be understood in detail and included in the simulations. The plastic flow, and thus the yield stress of a material, might be independent or dependent of the strain...

... solution. For soft metallic materials, metals at high temperature, rough surfaces, or dry contacts with high friction coefficient, the yield stress within the material could be easily exceeded even at low normal load. This paper presents the effect of a cuboid of uniform plastic strain in a half-space...

... the ratio of hardness and the yield stress of the coating film is 3.5 < H A ∕ σ y < 4.5 . 18 05 2006 30 08 2007 04 04 2008 delamination elastic constants indentation thin films yield stress interface thin film indentation finite element method cohesive zone model...

... = σ σ 0 for σ < σ 0 ε → ε p for σ = σ 0 where σ 0 is the yield stress in unidirectional tension, ε and ε p are the effective strains defined in term of the second strain invariant as 2 ε = 2 3 1 2 ε i j...

...G. G. Adams; J. R. Barber; M. Ciavarella; J. R. Rice sliding friction slip plasticity yield stress shear modulus The purpose of our technical brief was to first demonstrate that a paradox involving slip reversal exists in a class of sliding contact problems with friction. We were...

... von Mises in order to approximate the plane stress Huber-Mises yield condition, which is elliptical in shape, to one that is composed of two intersecting parabolas in the principal stress plane. 11 07 2005 26 05 2006 plastic flow plasticity cracks yield stress A statically...

... models. A dimensionless slip coefficient is introduced to account for the case of slip at the roll surfaces. The results give the final sheet thickness as a function of the dimensionless power-law index (in the case of pseudoplasticity), the Bingham number or the dimensionless yield stress calculated...

...G. Gioia; X. Dai Very recent experiments indicate that in free-standing metallic films of constant grain size the initial yield stress increases as the film becomes thinner, it peaks for a thickness on the order of 100 nm , and then starts to decrease. This reversing size effect poses two...

... discs (structures) mass transfer rotational flow non-Newtonian flow laminar flow boundary layers yield stress An analytical model has been developed to represent the wall mass transfer rate in a non-Newtonian Bingham plastic fluid. The approximate analytical solution is evaluated using...

... S θ 2   σ θ 2 1 / 2 = σ e   max , where S θ = σ o θ / σ ox , S r = σ or / σ ox , and { σ ox , σ or , σ o θ } are the yield stresses in the respective directions. A work...

.... Danielsson and Grenestedt 1 manufactured and tested various graded combinations of Divinycell PVC based foams, and showed that a number of benefits could be obtained. aluminium polymer foams bifurcation yield stress elastoplasticity impact strength elastic constants 23 February 2004...

... of the fluid lost into the fracture was found to be an almost-linearly decreasing function of the fluid yield stress and a linearly increasing function of the borehole pressure, under assumption of linear fracture deformation law. The model developed serves as a first approximation of mud loss during drilling...

... Mises yield condition @3# assumes the fol- lowing form for a plane stress, nonwork hardening material s1 21s2 22s1s25s0 253k2, (1) where s1 and s2 are the first and second principal stresses (s3 50), s0 is the tensile yield stress, and k is the yield stress in pure shear. A plot of the corresponding...

... widely used in the literature. The simple solution for elastic/perfectly plastic materials reveals the effects of elastic-compressibility and yield stress on dynamic response. Also, an elegant procedure is suggested to include strain-hardening in the simple elastic/perfectly plastic solution. Numerical...

...J. A. Chamberlain,; D. J. Horrobin,; K. A. Landman, and; J. E. Sader Recent numerical work has investigated incipient failure of yield stress materials under gravitational loading, for both the rectangular block and cylinder geometries [Chamberlain et al.; 2001, Int. J. Mech. Sci. 43(3):793-815...

... criterion b = 0 leads to the minimum value of p u / σ t while the GTS b = 1 leads to the maximum value of p u / σ t . 12 July 2002 10 Jan 2003 10 10 2003 stress analysis plasticity yield stress yield strength...

... months after final publication of the paper itself in the ASME JOURNAL OF APPLIED MECHANICS . 25 Jan 2000 30 Apr 2001 03 05 2002 compressibility stress-strain relations slip Bauschinger effect elastoplasticity yield stress hardening Since the first reported study...