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The Vickers hardness test consists of a _________ penetrator.

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The Vickers hardness test consists of a _________ penetrator.

(a) diamond

(b) steel ball

(c) carbon

(d) iron

I have been asked this question by my college director while I was bunking the class.

Query is from Aircraft Materials topic in portion Testing Aircraft Materials of Aerospace Materials & Processes

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Best answer
Right option is (a) diamond

For explanation: A diamond penetrator is used in a Vickers/diamond pyramid hardness test. The penetrator consists of a pyramid that has a square base. A Steel ball is used in Brinell and Rockwell hardness tests.

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