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?

This series on trends and developments in heat-treatment technology concludes.

This series on trends and developments in heat-treatment technology continues.

The advent of plasma processing technology for surface treatments resulted in many new opportunities for developing treatment processes.