I also have same problem. I have been used Bruker D8 XRD machine. Some results are higher than 0.2% proof stress and tensile strength. I am confuse it can or can not. I need another accurate way to measure residual stress. but my sample is small (20mm diameter disk sample)
Hi friends
i am studying in special titanium alloy, TNTZ by SPD treated. i need some information about effects of SPD on properties of material except mechanical properties. i read some articles valiev, horita and langdon but these papers are about processing of producing nanostructural...