圧接された表面あらさの分布について(第5報) : 相対材質指数

概要

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Expressing the change of distribution of the roughness pressed on a mirror surface, with a transformation of random variable into normal distribution, we got y=x^<n(AB)>. This n(AB), determinated by combination of materials, is called coefficient of changing roughness of A for B. While k(AB), increasinn ratio for pressure P of strain of A pressed on B, is called combination hardness and is not determinated by only A but by B. In the graph of log P-log k(AB), there are two lines beyond which one inflececes on another as a rigid material. Then we conjecture n(AB) indirectly from k(AB) because measuring n(AB) is very troublesome. In the result we got κ(AB)=y_0k (AB)[numeical formula]; κ(AB)=1-n (AB), k (AB) is a rigid line, y_0,ν, g_0 are constants unrelated to materials. Using Brinell hardness H_A, H_B of those materials, we get K(AB)=3.0k^<μ(A)>(AB); k (AB)=18.2H_A^<-0.94>, μ(A)=0.5-0.31/(1.68-1.29 log H_A)
一般社団法人日本機械学会の論文
1958-02-25