One of the inspectors in the quality control department has frequently used the Brinell and Rockwell hardness tests, for which equipment is available in the company. He claims that all hardness tests are based on the same principle as the Brinell test, which is that harduess is always measured as the applied load divided by the area of the impressions made by an indentor. (a) Is he correct? (b) If not, what are some of the other principles involved in hardness testing, and what are the associated tests?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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One of the inspectors in the quality control department has frequently used
the Brinell and Rockwell
hardness tests, for which equipment is available in the company. He claims
that all hardness tests are
based on the same principle as the Brinell test, which is that hardness is
always measured as the
applied load divided by the area of the impressions made by an indentor.
(a) Is he correct? (b) If not,
what are some of the other principles involved in hardness testing, and
what are the associated tests?
Transcribed Image Text:One of the inspectors in the quality control department has frequently used the Brinell and Rockwell hardness tests, for which equipment is available in the company. He claims that all hardness tests are based on the same principle as the Brinell test, which is that hardness is always measured as the applied load divided by the area of the impressions made by an indentor. (a) Is he correct? (b) If not, what are some of the other principles involved in hardness testing, and what are the associated tests?
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