C93700 Alloy MSF Fit

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MSF Calibration for cast C93700

The original data for this calibration was in the form of stress-life data [1]. In an ideal case, a cyclic stress-strain curve can be used to convert the stress amplitude to a strain amplitude. In this case, neither a cyclic stress-strain curve nor a monotonic stress-strain curve was available for C93700. Instead, a Ramberg-Osgood fit of three different yield stresses, ultimate stresses, and elongations were generated, using the assumption that the ultimate stress occurred at the maximum elongation. Mechanical property data was used from [2]. The stress-life data was converted using the mean of these curves. The Ramberg-Osgood fits are shown with their fit parameters in Figure 1.

Figure 1. Ramberg-Osgood fit for C93700 using yield and ultimate stresses and elongations.


MSF Model Screenshot

C93700 Screenshot MSF2.png

MSF Figure

C93700 MSFFit.png

Data File

File:C93700 out MSF2.txt

File:C93700 postOutput MSF2.txt

Reference

  1. Metals Handbook•. 9th Edition. Volume 2, Properties and Selection: Nonferrous Alloys and Pure Metals, American Society for Metals, Metals Park OH. 1979, P 426
  2. https://alloys.copper.org/alloy/C93700
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