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The Decoupling of Hardness and Elastic Modulus in Ti-Based Metallic Glasses Induced by Elastic Pretreatment. [PDF]

Materials (Basel)
Wang A, Wang Y, Hou L, Sun H, Xie X, Duan J, Li C, Li Y.   +7 more
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On serrated yielding and negative on strain-rate sensitivity

The Chemical Engineering Journal, 1966
Abstract Negative strain-rate sensitivity is shown to be a common feature in a variety of materials provided test conditions are chosen such that serrated yielding (the Portevin-Le Chatelier effect) occurs. An instability is shown to exist in the dislocation velocity ( v )- stress (τ) relation, which leads to negative values of ∂ log τ ∂
B.A. Wilcox, A.R. Rosenfield
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Strain Rate Sensitivity of Automotive Steels

SAE Technical Paper Series, 1992
<div class="htmlview paragraph">Strain rate sensitivity is an important material property in the formability of sheet metal. In this study, strain rate sensitivity is evaluated for several different grades of steel. Strain rate sensitivity varies from 0.01 to 0.022 for the steels tested.
Ming F. Shi, David J. Meuleman
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Strain-rate sensitivity and effects of strain rate in sheet forming

Metals Technology, 1980
AbstractThe strain-rate dependencies of flow strength and strain-hardening behaviour are particularly important in sheet-forming operations because they influence strain distribution and necking resistance. Measurements made in uniaxial and biaxial tensile tests on low-carbon steels have shown that strain-rate sensitivity is a function of both strain ...
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Strain rate sensitivity of toughened epoxy

Iranian Polymer Journal, 2015
The high strain rate behaviour of toughened epoxy is explored under compressive loadings. A cycloaliphatic epoxy was toughened using different types of preformed fillers: epoxy-coated elastomeric poly(dimethylsiloxane) (CSR) and thermoplastic polystyrene microspheres.
Saurabh Chaudhary, Nahid Iqbal, Vikas Mangla, Devendra Kumar, Prasun Kumar Roy   +4 more
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Strain rate sensitivity of hydroxyapatite coatings

Thin Solid Films, 2011
Abstract The strain-rate sensitivity of strength is a significant factor to evaluate the deformation mode of crystalline materials. The strain rate sensitivity of hardness is experimentally investigated here for hydroxyapatite coatings that are sputter deposited onto titanium-coated silicon wafers. These biocompatible HA coatings can provide a strong,
H.S. Tanvir Ahmed, Alan F. Jankowski
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Strain-rate sensitivity index of thermoplastics

Journal of Materials Science, 1993
Strain-rate sensitivity index, m, values of several thermoplastics (HDPE, PP, PMMA, PS, PVC, PC, and PA) were determined at ambient temperature by both variable strain-rate and stressrelaxation methods. Specimens were loaded in tension in the elastic portion of the stress-strain curve at various strain rates and the load was recorded as a function of ...
D. L. Goble, E. G. Wolff
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