Calculation of Ultra-low loaded hardness test.

Keyword

Method for ultra-low loaded hardness test,Berkovich indenter,Triangular pyramid,Test force.

Reference

[1]:Japanese Industrial Standards Committee:『Method for ultra-low loaded hardness test』,JIS Z 2255:2003.
[2]:Berkovich tip:Wikipedia

Remarks

・※1:0.102≒1/9.80665.
・Above figure of Berkovich tip is copied from Wikipedia.
・LaTex: \textup{HTL}=\alpha \frac{F}{h^{2}}\, ,\alpha =0.102\times \frac{3-\tan^{2}\frac{\theta }{2}}{9\tan\frac{\theta }{2}}\times 10^{3}
・Making above Equation Image is powered by CODECOGS

History

・2010/05/08:Upload.