of a material can be defined in terms of the ability of a material to
resist indentation or scratching. There is no absolute scale of hardness and
hardness values are expressed in terms of a scale associated with a particular
test. Though some relationships exist between results on one scale and on
another, care has to be taken in making comparisons between measurements
on different scales since the tests associated with the scales are measuring
different things.
The most common form of hardness tests for metals involves standard
indentors bein ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.