Shear and longitudinal bulk waves in materials
Crystallographic Anisotropy Control of n type Bi Te Se Thermoelectric Materials via Bulk Mechanical Alloying and Shear Extrusion
... Shear-extruded (Bi 2 Se 3 ) 0:05 (Bi 2 Te 3 ) 0:95 also has high bend- ing strength of 166 MPa, which is 1.7 times higher than that of conventional hot-extruded specimen. The present shear extrusion process ...
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Development of Shear Wave Velocity for Backfill Materials
... various materials were tested in the laboratory to determine the effects of confining pressure and shear strain on the dynamic properties: shear modulus and material ...column/torsional shear ...
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Exfoliation of 2D materials by high shear mixing
... 2 School of Physics, Trinity College Dublin, Dublin 2, Ireland. *[email protected] (Jonathan N. Coleman); Tel: +353 (0) 1 8963859. Abstract: While it has been demonstrated that large scale liquid exfoliation of graphene is ...
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Improvement of Concrete Shear Wall Structures by Smart Materials
... Smart materials have found numerous applications in many areas in civil engineering ...of shear walls, espe- cially when subjected to seismic ...coupled shear walls were introduced as reference ...
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Mechanics of Materials. Chapter 4 Shear and Moment In Beams
... a shear force and a bending moment acting on the cross section of the ...The shear force and the bending moment usually vary continuously along the length of the ...
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Simultaneous generation of longitudinal and shear bulk ultrasonic waves in solids
... The problem of L and S acoustic bulk wave generation using a single transducer has been studied. The single transducer was made from a single layer or two layers of rotated Y cut of piezoelectric materials. ...
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Shear-band toughness of bulk metallic glasses
... the shear banding in various crystalline metals or alloys [36–39] ...BMG materials for the first ...of shear defor- mation with different strain rates could be ...“forced” shear tests were ...
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Attrition of paracetamol and aspirin under bulk shear deformation
... by shear deformation was assessed in an annular shear cell at stresses from ...both materials is well described by the empirical fi tting approach of Neil and Bridgwater (1994) and the size ...
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New Interfacial Shear Horizontal Waves in Piezoelectric Cubic Crystals
... Concerning fabrication of a structure consisting of two dissimilar crystals, a process called wafer bonding is utilized in the semiconductor industry, allowing two dif- ferent materials to be rigidly and ...
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Bulk and shear viscosities for the Gribov-Zwanziger plasma
... The boost-invariant systems are characterised by the flow vector u μ = (t /τ, 0, 0, z /τ) [16]. In this case, all scalar functions of space and time depend only on the longitudinal proper time τ = √ t 2 − z 2 . One ...
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Instability to longitudinal vortices in wavy shear flow
... (1) shear ows in the presence of O ( ) rotational neutral waves is far more complex than its counterpart for weaker shear requiring inter alia a further dierential equation to account for wave ...of ...
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The Impact of the Magnetic Field on the Transmission of Longitudinal Waves in a Rod
... of materials, and the problems of defectoscopy [Beliy, Fertik and Klimenko (1997)], [Hefni, Ghaleb and Maugin (1995)], McCarthy (1968)], [Kulikovskii and Sveshnikova ...
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Comparison between using longitudinal and shear waves in ultrasonic stress measurement to investigate the effect of post-weld heat-treatment on welding residual stresses
... the shear wave results, lower amount of noise (or higher resolution) has been achieved for the L CR method as shown in ...CR waves are higher than the shear ...
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The effect of shear on the generation of gravity waves
... Abstract. Previous research regarding the solutions of Long’s equation always presumed that the flow far upstream is without shear. In this paper we derive the proper form of this equation when shear is ...
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Particle fluid mechanics in shear flows, acoustic waves, and shock waves
... From the curves describing the velocities and densities, both for the particle cloud and the fluid, this problem of a rotating disc is very much a boundary layer ty[r] ...
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Analysis of critically refracted longitudinal waves
... Fabrication processes, such as, welding, forging, and rolling can induce residual stresses in metals that will impact product performance and phenomena such as cracking and corrosion. To better manage residual stress ...
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Propagation of Rossby waves in stratified shear flows
... The wave action flux which is the ratio of the wave energy flux to the local relative frequency (which is proportional to the angular momentum flux) is constant everywhere inside the flu[r] ...
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Bulk Materials for Preparative and Process Chromatography
... • Available in both reversed and normal phases • High chemical stability for low leaching • High surface area and high loading capacity • High mechanical strength for multiple packing[r] ...
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Mode mixing in shear horizontal ultrasonic guided waves
... Other steps to reduce the problems caused by multiple mode interaction would typi- cally include increasing the separation between generation and detection point, or trying to ensure that the speeds of modes generated ...
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Shear induced breaking of large internal solitary waves
... internal waves, experi- ments of the stability of large amplitude ISWs have not yet been ...to shear are presented ...2008, waves in a two-layer system are measured for cases in which the upper layer ...
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