Vickers Hardness Testing Machine Diagram

The vickers hardness test was developed in 1921 by robert l.

Vickers hardness testing machine diagram.

The microhardness test procedure astm e 384 specifies a range of light loads using a diamond indenter to make an indentation. Sandland at vickers ltd as an alternative to the brinell method to measure the hardness of materials. Hardness testing machine vickers limited engineering group container packaging machinery division vickers armstrongs crayford works telephone. 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.

The angle was chosen so that the vickers hardness values are comparable to a certain degree with the brinell hardness values applies to approx. The vickers test has two distinct force ranges micro 10g to 1000g and macro 1kg to 100kg to cover all testing requirements. For the vickers hardness test a square base pyramid with a opening angle of 136 is used as the indenter opening angle angle between two opposite surfaces of the pyramid. The test measures indentation hardness using a diamond indenter.

The plunger pi see arrangement diagram in h. Smith and george e. The vickers hardness test can help with the material selection process for your chosen application. The vickers hardness test method also referred to as a microhardness test method is mostly used for small parts thin sections or case depth work.

A modern lcd monitor digital vickers optical hardness tester machine.