Research Article

Indentation Curves in Viscoplastic Alloys: Mathematical Model, Fitting Procedures, and Application to the Room-Temperature Creep of an Al-Sn Alloy

Table 2

Average data and standard deviations for the fitting parameters in the viscoplastic case before and after data correction. , with being the time-independent hardness.

Raw dataCorrected data
(Pa) (Pa)

Mean1.22 × 10103.47 × 10−60.451.28 × 10102.65 × 10−60.47
St. Dev.1.4 × 1091.1 × 10−60.031.3 × 1099.4 × 10−70.03