Results 21 to 30 of about 49,528 (260)
Plastic flow behavior of twinning induced plasticity steel from low to warm temperatures
This work investigates the tensile behavior of twinning induced plasticity (TWIP) steel under room to warm temperatures. Stress-strain flow curves have been obtained from steady-state uniaxial tensile tests performed at different temperatures, that is ...
Manuela De Maddis, Pasquale Russo Spena
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Mathematical Modeling of Heating and Strain Aging of Steel during High-Speed Wire Drawing
In this article, a mathematical model of the wire’s average temperature change in the process of multiple drawing on high-speed straight-line drawing machines has been developed.
Liudmila V. Radionova +8 more
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A Modified Johnson-Cook Model for Ferritic-Pearlitic Steel in Dynamic Strain Aging Regime
In this study, the flow stress behavior of ferritic-pearlitic steel (C45E steel) is investigated through isothermal compression testing at different strain rates (1 s−1, 5 s−1, and 60 s−1) and temperatures ranging from 200 to 700 ° ...
Ashwin Moris Devotta +6 more
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Portevin–Le Chatelier effect: modeling the deformation bands and stress-strain curves
In the Portevin–Le Chatelier (PLC) effect sample plastic deformation takes place via localized bands. We present a model to account for band dynamics and the variability the bands exhibit.
Tero Mäkinen +3 more
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Effect of thermo-mechanical treatments on dynamic deformation behaviors of 2519A aluminum alloy
The dynamic deformation behaviors of 2519A aluminum alloy treated by T87, T8, T9 and T9I6 were investigated by the split Hopkinson pressure bar in the strain rate range of 1040-5900 s-1, and the microstructure evolution of the alloys during high velocity
SUN Da-xiang +3 more
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Deformation microstructure and tensile properties of Alloy 709 at different temperatures
Alloy 709 austenitic stainless steel is being investigated as a candidate structural material for the next generation fast neutron reactors at service temperature of 500–550 °C.
Rengen Ding +5 more
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Machining process modeling has been an active endeavor for more than a century and it has been reported to be able to predict industrially relevant process outcomes.
Ashwin Moris Devotta +3 more
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Processing of AA6060 aluminum alloys for semi-products usually includes hot extrusion with subsequent artificial aging for several hours. Processing below the recrystallization temperature allows for an increased strength at a significantly reduced ...
Nadja Berndt +2 more
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The significance of dynamic strain aging in titanium
Abstract Tensile tests were conducted at a 0.02 in./min cross head speed on high purity and commercial purity titanium specimens between 77 and 1026°K to determine if dynamic strain aging is of practical importance in titanium. The data show that reducing the total impurity concentration from approximately 3300 to 300 ppm has a very strong effect on ...
Department of Metallurgical and Materials Engineering, University of Florida, Gainesville, Florida 32601 U.S.A. ( host institution ) +3 more
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Observations of dynamic strain aging in polycrystalline NiAl [PDF]
Abstract Dynamic strain aging has been investigated at temperatures between 77 and 1100 K in eight polycrystalline NiAl alloys. The 0.2% offset yield stress and work hardening rates for these alloys generally decreased with increasing temperature.
Center for Nonlinear and Nonequilibrium Aeroscience, Florida A&M University, Tallahassee, FL 32310, USA ( host institution ) +3 more
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