What Is The Disadvantages Of The Vickers Test?

The Vickers method has the following disadvantages: The surface quality of the specimen must be good, because the indent is measured optically. This means that the test location must be prepared (ground and polished), otherwise precise evaluation is difficult. The process is rather slow (compared with the Rockwell method).

What was the purpose of the Vickers hardness test?

Vickers hardness test. The Vickers hardness test was developed in 1921 by Robert L. Smith and George E. Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials. The Vickers test is often easier to use than other hardness tests since the required calculations are independent of the size...

Which is easier to use, the indenter or the Vickers test?

The Vickers test is often easier to use than other hardness tests since the required calculations are independent of the size of the indenter, and the indenter can be used for all materials irrespective of hardness.

How are Knoop and Vickers hardness tests done?

Both the Knoop and Vickers hardness test methods use specific measurements from the indent, in conjunction with formulas, to calculate material hardness. Accurate measurement of the resulting indentation requires the use of a special microhardness testing microscope because the indents are so small.

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