Can Taylor Factor of a FCC material be less than 1?

04 February 2021 0 6K Report

I am trying to measure taylor factor of FCC Inconel 718 using mtex 5.1.1. The strain tensor that I have is:

[0.00958486, -0.00971106, 0.043623; -0.00971106 ,0.0278111 ,0.0199594; 0.043623, 0.0199594 ,-0.037396]

The strain values are not very large as this comes from a nanoscratch test Finite element model.

The maximum value of Taylor factor shown in my calculation is about 0.25, and the average is about 0.20. Can the value of Taylor Factor be less than zero?

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