Hardness Tester

Hardness tester is a machine or device that evaluates and indicates the hardness of a material usually through the measurement of the effect on its surface of a localized penetration by a standardized rounded or pointed indenter of diamond, carbide, or hard steel. In fact, hardness testing machines perform three common kinds of scientific hardness tests: the Brinell hardness test, the Rockwell hardness test, and the Vickers hardness test. The Rockwell hardness test is an easy process to carry out and more precise than other kinds of evaluation. While the Brinell hardness test is applied to evaluate materials that are too coarse or that have an exterior that is too rough for other test techniques, the Vickers Hardness test uses a diamond indenter to make a dimple that is measured and translated into a hardness value.

In industrial setting, the purpose of the hardness test is to determine the suitability of a material for a given application, conformance to a specification, standard, or particular treatment. The materials to be tested of hardness are subjected to heat treatment or thermal process and they are used in numerous engineering design applications. The hardness property is mandatory since it directly correlates to the material’s performance and suitability. In technical terms, a material’s resistance to stand general functionality generally increases with increasing hardness. For mechanical equipment, hardness is so necessary that it can withstand the functional purpose it has been manufactured like moving parts of elevator shafts.

Types of Hardness Tests

Indentation hardness test: This is the most common hardness tests performed across several industries since materials are subjected to continuous loading. This hardness is measured on a scale known as the Rockwell Scale.

Scratch hardness test: This is commonly performed on brittle materials such as ceramics and minerals since they do not undergo plastic deformation. This hardness test is quantified on a scale known as the Mohs scale.

Rebound hardness test: This addresses a material’s elastic hardness, as opposed to its plastic or indentation hardness. During rebound hardness tests, the material absorbs the impact energy from a diamond-tipped hammer and returns it. This leads the hammer to bounce after it strikes the surface.

Features of Hardness Tester

• Highly efficient
• Designed for providing accurate hardness testing results
• Cost-effective
• Equipped with latest technology
• Easy to operate 

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