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How to use hardness in a sentence

Looking for sentences and phrases with the word hardness? Here are some examples.

Sentence Examples
It can interact with softness as well as hardness, so that at times it moves flexibly as if it were flowing.
As the quenched iron is tempered, its hardness decreases, whereas it usually gains in strength and toughness.
Meanwhile the field investigation also showed that soil hardness affected the distribution of the zokor.
Isn't the hardness of rock just as irrecusable as the reality of the complex plane?
These additives were added either to enhance the hardness of the grout mixture or increase the resistibility to leaching.
Temperatures below room temperature increase strength and hardness, with some loss of ductility and a decrease in anisotropy.
These elements are added to enhance such mechanical properties as machinability, strength, and hardness.
Where the rock contains mineral grains it may be possible to determine the hardness, lustre and streak of the minerals.
Certainly he is more believable when he's doing anger and hardness than when he deploys his constrained smile.
The hardness of shot is controlled by the amount of antimony added at the time of manufacture and by plating the shot with nickel or copper.
Vickers indentors are more symmetric and better suited for particle hardness measurements.
The Brinell hardness test consists in indenting the metal surface with a 10-mm-diameter steel ball at a load of 3,000 kg mass.
Some age-hardening alloys do not develop full hardness unless they are cold-worked before aging.
The hardness of the heat-affected zone can be minimized by reducing penetration into the cast iron base metal.
When high hardness is the ultimate need, the material must be treated in such a way that the peak of the curve is reached.
Thus, properties such as malleability, a high degree of hardness, poor cleavage, and chemical inertness are favorable.
All minerals posses specific physical properties such as color, luster, crystal form, cleavage, fracture, hardness, and specific gravity.
The difference of water properties lies not only in their softness or hardness.
Cobalt is used in high-speed steels and increases the red hardness so that they can be used at higher operating temperatures.
The addition of small amounts of osmium to these metals greatly increases their hardness.
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Examples from Classical Literature
These distinguishments depend on difference in specific gravity, hardness, solubility in hot acids, and the action of high heat.
When it had dried to a fitting hardness it was covered with cuir-bouilli, or boiled leather, which made it watertight.
The wood used is generally that of the cherry-tree, sakura, which has a grain of peculiar evenness and hardness.
The one producing a temper of hardness and ferocity, the other of softness and effeminacy, I replied.
It does not affect the hardness, but increases the elastic limit and reduces the brittleness of the steel.
I gradually flung off the hardness that my late life of recklessness had been encrusting upon my heart.
The hardness of the fleam metal indicated that it was carburized sufficiently to be made of steel.
A kind of glass wool is produced by drawing out to a capillary thread two glass rods of different degrees of hardness.
As commonly observed, the lumen of the intestine is narrowed by an annular band of gristly hardness.
The hardness remained in Mary's face, as she continued to regard her friend.
They can be hard, of course, but they aren't always exhibiting their hardness.
It struck Marion by its resolution, a sort of highbred bullying and a little hardness about it.
Then the boy returned to one of the upper rooms, and in spite of the hardness of the glass bench was soon deep in slumberland.
The hop hornbeam has habits like the other ironwood and an equal reputation for the hardness of its wood.
There was a gloom, a somberness, a hardness about him that had not been noticeable the day before.
Most gem-stones are harder than quartz, though precious opal, turquoise, moonstone and sphene are inferior to it in hardness.
The spinel rubies differ from the true or corundum rubies in hardness, specific gravity and system of crystallization.
But they did not take much notice of the hardness or of the risk of industrial disease.
There is no superposition and circumstance, there is hardness and a reason and the rest and remainder.
At other times, there are tubercles in almost every state of hardness, and in that of suppuration.
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