Sentence examples for hardness scale from inspiring English sources
Though garnets merit an impressive 7.5 on the Mohs hardness scale -- hard enough to scratch glass -- they are still susceptible to the elements.
Advanced hard anodic alumina coatings measuring Hv = 610 769 on the Vickers hardness scale were obtained on an aluminum surface via aluminum anodizing using a new electrolyte, etidronic acid.
These are quartz, which is 7.5 on the hardness scale and will cut glass; diamonds are a 10.
The company now boasts that on the American Society for Testing and Materials universal hardness scale, the finish was rated 9H, the highest possible.
In addition to its use as a precious gem, corundum finds some use as an abrasive, owing to the extreme hardness of the material (9 on the Mohs hardness scale).
In this form, alumina has great chemical purity, extreme hardness (9 on the Mohs hardness scale, on which diamond is 10), high density, and a high melting point (slightly above 2,050° C [3,700° F]).
Mr. Campbell never went to college — "I've got a degree in being a grandpa, that's all," he said — but after years in the oil fields, he is at ease talking about subjects like hardness scales, elastomerics and close-packing.
New modeling results, based on the elastic constants of disordered graphite, indicate that this counter-intuitive Vickers hardness scaling, which is a decades-old open question, originates from the PyC inter-layer shear elastic constant and the crystallite aspect ratio evolution with processing temperature.
We froze it whole in Jim's freezer in Eagle, and it stayed there long enough to get pretty far up the mineral-hardness scale.
The low miscibility between carbon and silver leads to a nanocomposite material that exhibits a reduced elastic modulus and hardness that scale inversely with the silver content.
Ground hardness (representing the scale from very soft to very hard) has been the most cited ground condition related to sports injury (Orchard [2002]), but despite the quantity of studies, the veritable link between ground hardness and injury risk has not been well established.
