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https://open.uns.ac.rs/handle/123456789/16212
Title: | New formula for calculating flow curves from high temperature constitutive data for 300 austenitic steels | Authors: | Cingara, Aleksandar McQueen H. |
Issue Date: | 1-Jan-1992 | Journal: | Journal of Materials Processing Tech. | Abstract: | The high temperature flow curves for 301, 304 and 317 stainless steels can be calculated up to the peak stress σp and peak strain ε{lunate}p by: σ/σp=[(ε{lunate}/ε{lunate}p exp (1-1ε{lunate}/ε{lunate}p)]c . The values of σp may be derived from the sinh-Arrhenius constitutive equation for which the constants have already been published based on torsion tests. ε{lunate}p is shown to be linearly related to σp for each alloy. The values of the shape constant c are shown to have averages of 0.203 for 301, 0.216 for 304 and 0.200 for 317 with average errors of less than 2.6%. The value of c decreases only slightly with rising strain rate and declining temperature. An average value of 0.204 (including 316 with c = 0.193 previously published) may be employed for all the steels without significant increase in the error. © 1992. | URI: | https://open.uns.ac.rs/handle/123456789/16212 | ISSN: | 09240136 | DOI: | 10.1016/0924-0136(92)90236-L |
Appears in Collections: | Naučne i umetničke publikacije |
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