David Pye's series on hardness testing continues.

David Pye's series on hardness testing continues.

This is part 5 of David Pye's series on hardness testing.

This is part 4 of David Pye's series on hardness testing.

This is part 3 of David Pye's blog series on hardness testing.

Our discussion on hardness-testing principles continues. In part 2 we will classify some hardness-testing methods.

What is hardness testing?

Two digital Rockwell/ Superficial Rockwell benchtop hardness testers, with fully automated load/ unload procedures, are capable of providing highly accurate readings.

The Jominy end-quench test is used to measure the hardenability of a steel, which is a measure of the capacity of the steel to harden in depth under a given set of conditions. This article considers the basic concepts of hardenability and the Jominy test.

Gears perform the critical functions of transmitting power or carrying motion in mechanical assemblies.