ELASTIC-PLASTIC BEHAVIOUR OF IRON AT HIGH STRAIN RATES AND ELEVATED TEMPERATURESReportar como inadecuado




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Abstract : Plate-impact experiments were used to investigate the elastic-plastic response of pure iron at strain rates ranging from 104s-1 to 106s-1 and temperatures ranging from 20°C to 500°C. Maximal stresses in the specimens are 60 kbar. Comparisons between calculations and experiments show that 1 the yield strength and the shear modulus of this material are decreasing functions of compression, 2 the temperature dependance of the shear modulus is negligible relatively to its pressure dependance.





Autor: P. Hereil

Fuente: https://hal.archives-ouvertes.fr/



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