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The mechanical properties were measured through Vickers hardness tester.
Bolting mechanical properties are tested by the tensile strength tester, impact tester and hardness testers, to guarantee the detect precision. Digital Leeb Hardness Tester TIME®5310 https://timetech-ndt.com/product/digital-leeb-hardness-tester-time5310/
This article has class the portable hardness testers, and has analyzed their special performances and the influence factors for the results in detail.
Besides we also have various inspection apparatus such as projection machines pull and pressure testers hardness testers and inside and outside diameter testers.
The Vickers hardness test was jointly developed by Smith and Sandland at Vickers Ltd. in 1924. This test method can be used as another method to test the hardness of materials in addition to the Brinell hardness test. The Vickers hardness test is simpler than other hardness tests. The calculations required are not limited by the size of the indenter. The indenter can be applied to all test materials regardless of the hardness value. Pen Type Leeb Hardness Tester TIME®5100/5102/5104 https://timetech-ndt.com/product/pen-type-leeb-hardness-tester-time5100-5102-5104/
As with all hardness testing methods, the basic principle is to observe the ability of an unknown material to resist plastic deformation. Vickers test is suitable for all metal materials and has a wide range of applications in hardness testing. The unit of hardness value in hardness testing is Vickers hardness (HV) or diamond pyramid hardness (DPH).
The indenter should have a specific geometric shape so that the indentation remains geometrically similar regardless of size; and the indentation has well-defined boundary points that are easy to measure; in addition, the indenter must have high strength to resist itself deformation. The square pyramid shaped diamond indenter can meet the above requirements.
