hardness


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Synonyms for hardness

Synonyms for hardness

reliability in withstanding pressure, force, or stress

the fact or condition of being rigorous and unsparing

Synonyms for hardness

the property of being rigid and resistant to pressure

a quality of water that contains dissolved mineral salts that prevent soap from lathering

Related Words

the quality of being difficult to do

References in periodicals archive ?
However in practice the hardness of water sample is usually taken as a measure of its Ca and Mg contents [2].
Hardness of water is due to the presence of Calcium Carbonate and Magnesium Sulphate in water that results in temporary and permanent hardness respectively.
However, there are numerous indentation tests at scales on the order of a micron or a submicron that have shown that the measured hardness increases significantly with decreasing the indentation size [5, 6].
Key Words: Bulk Fill, Nano-hybrid, Low-shrinkage, Depth of cure, Hardness, Vickers hardness test.
Material and Methods: Microvicker hardness tester was used for assessment of micro hardness of two types of plates.
A customer required an 85 minimum Brinell Hardness number (BHN) for an aluminum component sand cast in A356.
HD Vickers indentation measuring software in combination with the newly introduced software means that the Indentec hardness testers' lenses replace a standalone microscope, normally used for quality control analysis of metals.
The investigators used potassium citrate to reduce water hardness.
Hardness was measured 30 min after the cure to allow for cooling down, after 24 hr, and daily until hardness development stopped.
Development of hardness measurement methods for individual structural parts--measurement of micro-hardness--was an important requirement for studying the structure of solids.
Hardness was determined by loading 200 micronewton force.
The following investigations must be carried out for the abovementioned purposes: the visual inspection of rim surface, the analysis of wheel metal hardness, a chemical composition analysis of wheel metal, the analysis of wheel production documentation and its comparison with findings on wheel hardness and chemical composition analyses.
We examined the effects of barium sulfate and titanium dioxide opacifiers on the hardness of Silastic MDX4-4210 following chemical disinfection and accelerated aging.
The Mohs hardness scale ranks rocks based on how easy or hard they are to scratch.