2022
DOI: 10.1016/j.jma.2021.08.018
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Novel extended C-m models of flow stress for accurate mechanical and metallurgical calculations and comparison with traditional flow models

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Cited by 11 publications
(5 citation statements)
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“…The fitted RFCs–BFTCs (dashed curves) of the experimental RFCs–BFTCs in Figure 3 were obtained by using the following generalized piecewise C-m flow model [ 23 ]: where C 1 , C 2 , m 1 , and m 2 are all flow constants defined at the fixed sample strains and temperatures, and is the maximum value between 0.1 and the strain rate, denoted by . These flow constants were numerically calculated by minimizing the errors between the fitted and experimental RFCs–BFTCs; they are listed in Table 2 .…”
Section: Methodsmentioning
confidence: 99%
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“…The fitted RFCs–BFTCs (dashed curves) of the experimental RFCs–BFTCs in Figure 3 were obtained by using the following generalized piecewise C-m flow model [ 23 ]: where C 1 , C 2 , m 1 , and m 2 are all flow constants defined at the fixed sample strains and temperatures, and is the maximum value between 0.1 and the strain rate, denoted by . These flow constants were numerically calculated by minimizing the errors between the fitted and experimental RFCs–BFTCs; they are listed in Table 2 .…”
Section: Methodsmentioning
confidence: 99%
“…Furthermore, some phenomenological descriptions using mathematical models can be employed to fit the flow behaviors of aluminum alloys to be plastically formed, including the Arrhenius model and its improvements [ 7 , 20 ], Fields–Backofen model [ 21 ], Hensel–Spittel model [ 22 ], and C-m model [ 23 ]. The hyperbolic sine Arrhenius (or Garofalo-Arrhenius) model [ 24 ] is simple but does not involve the strain term as the primary parameter.…”
Section: Introductionmentioning
confidence: 99%
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“…It is interesting to note that the flow stress curves in Figure 20 are a different description of the flow stress curves in Figure 10. An advanced scheme of C-m model [144] aimed at the accurate description of strain rate effect on flow behaviors can also be employed as an improved practical flow model for accurate non-isothermal analyses of cold metal forming processes. It is interesting to note that the flow stress curves in Figure 20 are a different description of the flow stress curves in Figure 10.…”
Section: C-m Modelmentioning
confidence: 99%