Hardness Testing is applied to a great number of materials, and for over 250 years, it has been an invaluable and frequently used mechanical test. A variety of hardness tests can be used to establish ...

Discover how to evaluate and compare the surface hardness of different protective coatings using accessible DIY testing ...

This class presents a description of each hardness testing method, along with discussions on how to choose and perform a test, how to read hardness ratings, and how to prevent common errors. Hardness ...

Photo by MSVG/Flickr Gorilla Glass: harder than keys, not as tough as gravity. During a vacation earlier this month, my wife and I put our smartphones in a big, loose beach bag, the kind with bamboo ...