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I really don't know what the hardness of Cinder is but by testing it I think it has a hardness of 4
Hacksaw hardness testing is a simple and rudimentary method used to estimate the hardness of a material. It involves cutting a groove into the material with a hacksaw blade and then comparing the resistance encountered while cutting to a known material hardness scale. This method is not as precise as standard hardness testing methods but can provide a rough estimate of the material's hardness.
If a fingernail can scratch a mineral, you are testing the mineral's hardness. Hardness is a measure of a mineral's resistance to being scratched by other materials. Minerals are ranked on the Mohs scale of hardness from 1 (softest) to 10 (hardest).
Talc (a common metamorphic mineral).
it is hardness
Testing a specific part of a system or even a program. That would be called a component. So it is component testing.
hardness as it is measured on a rockwell or brinell testing instrument
I really don't know what the hardness of Cinder is but by testing it I think it has a hardness of 4
Hacksaw hardness testing is a simple and rudimentary method used to estimate the hardness of a material. It involves cutting a groove into the material with a hacksaw blade and then comparing the resistance encountered while cutting to a known material hardness scale. This method is not as precise as standard hardness testing methods but can provide a rough estimate of the material's hardness.
If a fingernail can scratch a mineral, you are testing the mineral's hardness. Hardness is a measure of a mineral's resistance to being scratched by other materials. Minerals are ranked on the Mohs scale of hardness from 1 (softest) to 10 (hardest).
Hardness
Tablet hardness testing became available in the 1930's. Tablet hardness testing, is a technique used by the pharmaceutical industry to test the breaking point for the use, transportation, and storage of supplies.
Hardness
Talc (a common metamorphic mineral).
The Mohs Scale
Class Design And Component Design
That is testing the hardness.