It might not seem like scraping the top of a cold stick of butter with a knife could be a scientific test, but engineers say the process is very similar to the "scratch test," which is perhaps the ...

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 ...

Shore testing accurately measures the hardness of elastomeric and plastic material, including adhesives. The two scales most frequently used for determining Shore hardness when materials are compared ...