Gevorg Ter-Isahakyan

3 Questions 1 Answers 0 Followers

Questions related from Gevorg Ter-Isahakyan

Are any materials truly isotropic, or is this only an approximation?

Often times, a pure metal is described as isotropic because the mechanical properties do not vary with direction. However, I recently learned that Young's modulus changes with direction according...

01 January 2019 6,710 3 View

What are good etchants (aside from picral) and imaging modes for viewing martensite in quenched 1050 steel?

Currently I am using a 3 wt% concentration of nital to etch quenched 1050 steel. The martensite grains become visible but difficult to see for grain counting. I do not want to use picral due to...

02 February 2018 6,950 1 View

How does adding an alloying element affect the XRD pattern of a metal?

I've been stuck on a homework assignment for a while now. The first problem gave me the XRD pattern of an unknown element, which I successfully identified as Mo. The second problem involved the...

10 October 2017 4,703 5 View