work index scale for hardness in rocks

Friedrich Mohs

Friedrich Mohs invented the Mohs scale but of more interest to Mohs with his passion for rocks where he finalized his work on hardness Creating a scale

Water hardness Water

Water hardness When water falls as How much fur or scale build up usually depends on the hardness of the water Many water softeners work by replacing the

Lecture 9 test

Hardness Test Subjects of interest acceptance for research work because it provides a continuous scale of hardness for a given load Rockwell hardness scale

Hardness

Hardness can be measured on the macro micro or nano Brinell Hardness Test Partial support for this work was provided by the NSF ATE