T4 Consider nickel with the same grain size and processing as the material shown in the figure. This material is subject
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T4 Consider nickel with the same grain size and processing as the material shown in the figure. This material is subjected to a tensile stress of 8MPa at a temperature of 900.C. What is the approximate strain rate, and what creep mechanism is dominant? Material G 300, MPa h, MPa/K Tm, K Nickel 78,900 29.3 1726 MAR-M200 80,000 25.0 1600 TECH 400 600 400 100 090 UX -700 200 ICEHENGTH 00 000 MAR-M200 d. 100 m 1061 SHEER STRE WITH PURE MICHEL 01 PLASTICITY PH REKISTALLISATON 0 GIS LOCATION GLIDE POWER-LAW CREEP LT CHEE 0 CAVALIZED SHEAR STRESS SMAR STRESS CAT 27C] MIR NORMALISED SHEAR STRESS, SHEAR STRESS AT 300K (MN/m2) CACEP DIFFUSIONAL FLOW DUFTUS ORAL FLOW BOUNDARY ILANG 1 + 1.0 BOUNDARNI VOLUME CI HOMOLOGOUS TEMPERATURE TAT LO 0.2 02 0.6 0.8 HOMOLOGOUS TEMPERATURE
T4 Consider nickel with the same grain size and processing as the material shown in the figure. This material is subjected to a tensile stress of 8MPa at a temperature of 900.C. What is the approximate strain rate, and what creep mechanism is dominant? Material G 300, MPa h, MPa/K Tm, K Nickel 78,900 29.3 1726 MAR-M200 80,000 25.0 1600 TECH 400 600 400 100 090 UX -700 200 ICEHENGTH 00 000 MAR-M200 d. 100 m 1061 SHEER STRE WITH PURE MICHEL 01 PLASTICITY PH REKISTALLISATON 0 GIS LOCATION GLIDE POWER-LAW CREEP LT CHEE 0 CAVALIZED SHEAR STRESS SMAR STRESS CAT 27C] MIR NORMALISED SHEAR STRESS, SHEAR STRESS AT 300K (MN/m2) CACEP DIFFUSIONAL FLOW DUFTUS ORAL FLOW BOUNDARY ILANG 1 + 1.0 BOUNDARNI VOLUME CI HOMOLOGOUS TEMPERATURE TAT LO 0.2 02 0.6 0.8 HOMOLOGOUS TEMPERATURE