... 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...

... in the vicinity of the inner edge of the disk, where this stress is important for improving fatigue performance of structures. 27 11 2009 23 11 2010 05 01 2011 15 02 2011 15 02 2011 discs (structures) fatigue internal stresses plasticity yield stress The only...

... Polytechnic Institute. Chaudhari , P. , 1974 , “ Hillock Growth in Thin Films ,” J. Appl. Phys. 0021-8979 , 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...

... 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 The delamination of thin coating films from substrates is a critical issue...

... internal stresses compressive strength yield stress surface structure shakedown condition fatigue life-time fatigue limit shot peening ball indentation crater inclusion model lower bound mean stress residual stress stress threshold yielding The notion that the compressive...

...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 The rotating disk is a popular geometry for studying different fluids, both because of its simplicity and the fact that it represents a classical fluid dynamics problem. A review...

... revision, September 2, 2004. Editor: R. M. McMeeking. 02 September 2004 15 03 2005 shells (structures) buckling yield stress elasticity plasticity plastic flow internal stresses Elastic buckling of cylindrical shells under axial compression results in sudden...

... 03 2005 aluminium polymer foams bifurcation yield stress elastoplasticity impact strength elastic constants Polymeric foams are frequently used as core materials in load bearing sandwich structures. Many of the requirements of a sandwich core can be better fulfilled using a core...

... 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...

... yield stress surface cracks partial differential equations Hutchinson , J. W. , 1968 , “ Plane Stress and Strain Fields at the Crack Tip ,” J. Mech. Phys. Solids , 16 , pp. 337 – 347 . Unger, D. J., 2001, Analytical Fracture Mechanics , Dover Publications, Mineola, NY. von...

... 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...

... in engineering practice, they have been drawing much attention from researchers throughout the world ( 1 2 3 4 5 6 ). stress analysis plasticity yield stress yield strength 12 July 2002 10 Jan 2003 10 10 2003 2003 ASME ...

... 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...