Strengthening of FCC Metals at High Strain Rates

Hervé Couque

doi:10.4028/www.scientific.net/AMM.566.73

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 566Strengthening of FCC Metals at High Strain Rates

Strengthening of FCC Metals at High Strain Rates

Abstract:

The influence of strain rate over domains involving the thermal activation and the viscous drag behavior of the dislocations has been investigated for a series of face centered cubic metals. The effect of grain size on the strain rate threshold delimitating the two domains in compression was examined with grains sizes ranging from 0.1 to 100 μm for nickel and copper. The tensile strengthening occurring at high strain rates for an austenitic stainless steel was also investigated.

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Periodical:

Applied Mechanics and Materials (Volume 566)

Pages:

73-79

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.566.73

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Online since:

June 2014

Authors:

Hervé Couque

Keywords:

Austenitic Stainless Steel, Copper, FCC, Nickel, Thermally Activity Regime, Viscous Regime

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References

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