圧接された表面あらさの分布について(第3報) : Quartilesの分布による接触点数の推定

概要

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We considered the numbers and size of elementary area of contact-points, applying the distribution of quartiles to the observed distribution of stable positions of a flat indenter on the metal surface. Namely, we measured the fluctuation of the indenter setting on the metal step by step, and obtained a good agreement between the observed and theoretical results. So we estimated the numbers and unit area of contact-points by the contained. parameter 'sampling size' of the distribution function of quartiles. Our results are found at the mean value of results by the electric resistance and optical methods. For expample, by a mild steel and a block-gauge under mean pressure=1kg/mm^2 and the appearance of contact-area=0.5mm^2,we obtain 18 points and (9×9)μ^2 area of contact.
一般社団法人日本機械学会の論文
1956-06-25