Ceramic Vs Diamond Hardness

So and so s 9h ceramic.

Ceramic vs diamond hardness.

Created in 1812 by german geologist and mineralogist friedrich mohs it is one of several definitions of hardness in materials science some of which are more quantitative. 1 talc talc 2 gypsum gypsum 3 calcite calcite 4. Hardnes number original scale modified scale. This is a very touchy subject as many companies have built their brand around the hardness rating.

In terms of hardness tungsten carbide is rated at 9 on the mohs scale while ceramic is 7 diamond is a 10 and gold is 3 to give a sense of scale. Ceramic hardness measurements in engineering are generally measured using a vickers hardness test. Hardness tables mohs hardness scale. The pencil hardness method was originally developed by pencil manufacturers as a quality control method in the early 1900 s.

The moh s scale of hardness is a chart used by the jewelry business to measure the scratch resistance of common materials. The hardness of fine ceramics is generally indicated using a vickers hardness number. The method for measuring the hardness of fine ceramics is defined in jis r 1610 iso 14705. We are the exclusive distributors of diamond coat glass nano ceramic coati.

Vickers hardness is a resistance value obtained by pressing a diamond indenter onto a test specimen. In this test a pyramidal diamond indenter is pressed into a polished surface under known loading conditions and the size of the indentation is related to the hardness of the material. Let s start with a little background on both pencil hardness and the infamous mohs scale. 9h refers to the level of hardness test of the ceramic coating once it cures on the surface.

It s based on the pencil scale of hardness which is used by professional artists graphic designers and more to pick a pencil lead strength that helps them with writing or drawing projects. But don t confuse lightness with fragility. Ultimate glass nano ceramic coating for automobile marine aero surface protection. Diamond c 10 7000 usa canada.

To make the comparison easier to understand we have included the hardness of familiar materials such as teeth and fingernails.