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Abstract
The wear behavior of a carbon steel (SUJ2, ASTM E52100 or similar) and a stainless steel (SUS440C, ASTM 440C or similar) with respect to diamond-like carbon (DLC) was evaluated based on the energy input. The conventional wear equation (Holm-Archard equation) was derived based on the friction force. The wear–energy equation was transformed from the Holm-Archard equation. The measurement method of the energy input induced by a tribometer is proposed, and the equation describing the relationship between the friction coefficient and energy input is introduced. The tribology functions derived from the energy equations are proposed. The wear behavior of the steel balls against the DLC is discussed in terms of tribology functions.
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