Brinell develops a test to estimate the hardness of metals: Difference between revisions
From ETHW
(Created page with "Johann August Brinell develops a test to estimate the hardness of metals that involves pressing a steel ball or diamond cone against the specimen. Establishes a reliable (and...") |
(No difference)
|
Revision as of 21:50, 21 October 2016
Johann August Brinell develops a test to estimate the hardness of metals that involves pressing a steel ball or diamond cone against the specimen. Establishes a reliable (and still commonly used) method to determine the hardness properties of virtually all materials.