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Quasipure Bose-Einstein condensate immersed in a Fermi sea
We report the observation of coexisting Bose-Einstein condensate (BEC) and Fermi gas in a
magnetic trap. With a very small fraction of thermal atoms, the 7 Li condensate is quasipure …
magnetic trap. With a very small fraction of thermal atoms, the 7 Li condensate is quasipure …
Determination of temperature rise during high strain rate deformation
The energy converted to heat during high strain rate plastic deformation is measured directly
using an infra-red method for Ta− 2.5% W alloy and, indirectly, using UCSD's recovery …
using an infra-red method for Ta− 2.5% W alloy and, indirectly, using UCSD's recovery …
[HTML][HTML] A thermodynamic internal variable model for the partition of plastic work into heat and stored energy in metals
The energy balance equation for elastoplastic solids includes heat source terms that govern
the conversion of some of the plastic work into heat. The remainder contributes to the stored …
the conversion of some of the plastic work into heat. The remainder contributes to the stored …
On the strain and strain rate dependence of the fraction of plastic work converted to heat: an experimental study using high speed infrared detectors and the Kolsky bar
JJ Mason, AJ Rosakis, G Ravichandran - Mechanics of Materials, 1994 - Elsevier
The conversion of plastic work to heat at high strain rates gives rise to a significant
temperature increase which contributes to thermal softening in the constitutive response of …
temperature increase which contributes to thermal softening in the constitutive response of …
Experiments on heat generated during plastic deformation and stored energy for TRIP steels
A Rusinek, JR Klepaczko - Materials & Design, 2009 - Elsevier
The goal of this study is to analyze the effect of heat generation during plastic deformation in
new sheet steel with high strength on the mechanical behavior during relaxation test …
new sheet steel with high strength on the mechanical behavior during relaxation test …
Tensile characterization and constitutive modeling of AZ31B magnesium alloy sheet over wide range of strain rates and temperatures
Magnesium alloys are an ideal candidate due to their low density in comparison to
aluminum and steel alloys when designing a vehicle with lower weight and therefore …
aluminum and steel alloys when designing a vehicle with lower weight and therefore …
Determination of the plastic work converted to heat using radiometry
D Macdougall - Experimental mechanics, 2000 - Springer
An improved calibration method for infrared radiometers is developed that has been shown
to increase the accuracy of temperature measurement. To validate this new calibration …
to increase the accuracy of temperature measurement. To validate this new calibration …
[HTML][HTML] Study and validation of a variational theory of thermo-mechanical coupling in finite visco-plasticity
We present an experimental validation of the variational theory of thermo-mechanical
coupling of Yang et al.(2006) in the case of finite thermo-visco-plasticity. The variational …
coupling of Yang et al.(2006) in the case of finite thermo-visco-plasticity. The variational …
On the Taylor–Quinney coefficient in dynamically phase transforming materials. Application to 304 stainless steel
We present a thermodynamic scheme to capture the variability of the Taylor–Quinney
coefficient in austenitic steels showing strain induced martensitic transformation at high …
coefficient in austenitic steels showing strain induced martensitic transformation at high …
Employing molecular dynamics to shed light on the microstructural origins of the Taylor-Quinney coefficient
Abstract The Taylor-Quinney coefficient (TQC) or the cold-work conversion factor is the
fraction of external work that is converted into heat during the plastic deformation of a …
fraction of external work that is converted into heat during the plastic deformation of a …