Calculation of Knoop hardness.

Keyword

Knoop hardness,diagonal length of dent,Test force,Microscope.

Reference

[1]:Japanese Industrial Standards Committee:『Knoop hardness test - Test method』,JIS Z 2251:2009.

Remarks

・※1:0.102≒1/9.80665.
・LaTex: \textup{HK}=0.102\times \frac{F}{cd^{2}}\, ,c=\frac{\tan\frac{\beta }{2}}{2\tan\frac{\alpha }{2}}
・Making above Equation Image is powered by CODECOGS

History

・2010/05/08:Upload.