نتایج جستجو برای: rheological behaviour and yield strength

تعداد نتایج: 16891297  

2011
Annalisa Romano Elena Torrieri Paolo Masi Silvana Cavella

The link between the intake of dietary fiber (DF) and health benefits has prompted the interest in fiberenriched foods such as fiber-enriched baked goods. A distinction is established between insoluble DF and soluble DF. Insoluble and soluble forms of DF have different compositions resulting in different of nutritional, physiological and technological properties. In this work, the effect of ins...

2015
S. Pavía J. McGinn

This paper investigates the effect of testing variables including curing conditions (65% vs>95% RH), time of demoulding and specimen geometry (cylinder vs cube) on the compressive strength of hemp concrete. It studies hydration in the concrete’s microstructure and measures compressive strength development at intervals between 1 day and 1 month. Moulding time and curing conditions influence dryi...

Journal: :Nature nanotechnology 2008
Y Shona Pek Andrew C A Wan Asha Shekaran Lang Zhuo Jackie Y Ying

Thixotropic materials, which become less viscous under stress and return to their original state when stress is removed, have been used to deliver gel-cell constructs and therapeutic agents. Here we show that a polymer-silica nanocomposite thixotropic gel can be used as a three-dimensional cell culture material. The gel liquefies when vortexed--allowing cells and biological components to be add...

Journal: :journal of computational and applied research in mechanial engineering - jcarme 0
m. jooybari school of mechanical engineering, college of engineering, university of tehran, tehran, iran j. shahbazi karami faculty of mechanical engineering, shahid rajaee teacher training university, tehran, iran m. sheikhi faculty of mechanical engineering, shahid rajaee teacher training university, tehran, iran

in the present study, mechanical properties and low cycle fatigue behavior of a solid-solutionized aa6061 aluminum alloy produced by equal channel angular pressing (ecap) process were investigated. the grain refinement after two passes of ecap significantly increased the yield stress and ultimate tensile stress and decreased the ductility of the alloy. however, the improvement of low cycle fati...

2008
V. J. Anderson E. M. Terentjev

This paper presents the results of a rheological study of thermotropic nematic colloids aggregated into cellular structures. Small sterically stabilised PMMA particles dispersed in a liquid crystal matrix densely pack on cell interfaces, but reversibly mix with the matrix when the system is heated above Tni. We obtain a remarkably high elastic modulus, G ′ ≥ 10 5 Pa, which is a nearly linear fu...

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