Fundamentally, hardness testing determines the resistance a material exhibits in response to the permanent deformation of another material’s penetration. If I take a piece of metal and rub something ...

When designing metal parts, it's important to specify their hardness. However, many engineers have only a shaky understanding of what hardness actually is, or how it's measured. There are good reasons ...

Hardness testing is the most applied test within the mechanical testing of metals. Hardness testing machines must fulfill a number of requirements if precise and accurate results are desired. The ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

A new method to determine yield strength based on hardness could be used in storage facility pipes with results more conservative than outlined in CFR Title 49 Part 195.106. Based on presentation to ...

THE hardness of metals, as Dr. Hugh O'Neill once said, like the storminess of seas, is easily appreciated but not readily measured. Prof. Lea has attempted to describe the various methods of measuring ...