Bonus 11. Working separately, Zamrik and Kalluri-Bonacuse have developed strain-life models that use the triaxiality and...

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Bonus 11. Working separately, Zamrik and Kalluri-Bonacuse have developed strain-life models that use the triaxiality and multiaxiality factors. What materials have they used to demonstrate the performance of the model? Where else are TF and MF used? Appendix: Specified Material Type = steel Material Name = Steel 1020, Su = 455 of 1000 MPa b=-0.15 &f=1.5 C = -0.6 E = 206800 MPa Default SFL = 80 MPa 2NFL 2.0E+07 K' 904 MPa n' = 0.250 tf' = 577 MPa by = -0.150 yf' = 2.600 cy = -0.600 NP = 0.2 K'90 1080 MPa n'90 = 0.250 v = 0.300 G = 79500 MPa Bonus 11. Working separately, Zamrik and Kalluri-Bonacuse have developed strain-life models that use the triaxiality and multiaxiality factors. What materials have they used to demonstrate the performance of the model? Where else are TF and MF used? Appendix: Specified Material Type = steel Material Name = Steel 1020, Su = 455 of 1000 MPa b=-0.15 &f=1.5 C = -0.6 E = 206800 MPa Default SFL = 80 MPa 2NFL 2.0E+07 K' 904 MPa n' = 0.250 tf' = 577 MPa by = -0.150 yf' = 2.600 cy = -0.600 NP = 0.2 K'90 1080 MPa n'90 = 0.250 v = 0.300 G = 79500 MPa

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