In measuring Vickers hardness no. Which of the following is used________________?
Correct answer: D. 136-degree diamond pyramid
- A. Spherical indenter
- B. Steel ball indentation
- C. Rhomboid shaped indenter
- D. 136-degree diamond pyramid
Explanation
The Vickers test uses a diamond pyramid indenter with a square base and an included angle of 136°. Spherical or steel-ball indenters are used in Brinell-type hardness testing.
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