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Questions and Answers
What is the main method used to measure the hardness of materials?
What is the main method used to measure the hardness of materials?
- Brinell, Vickers, and Rockwell (correct)
- Brinell, Rockwell, and Mohs
- Vickers, Mohs, and Rockwell
- Mohs, Vickers, and Brinell
In the Brinell Test, what is used to force into the surface of the specimen?
In the Brinell Test, what is used to force into the surface of the specimen?
- Conical steel ball
- Hardened steel ball (correct)
- Square based diamond pyramid
- Circular platinum disc
What is the hardness value determined by in the Vickers hardness test?
What is the hardness value determined by in the Vickers hardness test?
- Area of indentation (correct)
- Force applied
- Time of indentation
- Depth of the indentation
Which type of material uses a conical diamond indenter in the Rockwell test?
Which type of material uses a conical diamond indenter in the Rockwell test?
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What is the hardness number referred to as in Rockwell when a steel ball is used?
What is the hardness number referred to as in Rockwell when a steel ball is used?
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How are Brinell and Vickers hardness values based?
How are Brinell and Vickers hardness values based?
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