Hardness, Elastic Modulus, Wear of Metals 520251

SINCE the evidence shows that the wear of materials is closely related to the elastic limit of strain, the author proposes a new concept as a practical measure of this property.
He introduces the term “modell,” which he defines as the Brinell hardness multiplied by 106 and divided by the elastic modulus.
Modell, the author says, gives an indication of the depth of penetration that a metal can tolerate without exceeding its elastic limit.
As materials with high modell values have, in general, good wearing qualities, the author discusses the possibilities for increasing the modell values for engineering materials.


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