摩擦力の原子論的考察(第2報) : 弾性接触状態における摩擦力の測定

概要

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The first report described a fundamental concept of friction from atomistic aspect and the calculation of frictional force based on the proposed concept in an elastic contact condition. The results of calculation can be summarized as follows. Assuming that the contact area is constant, the frictional force is not influenced by the contact pressure in an elastic contact condition. Assuming also that interatomic potential is Morse potential, frictional force is dependent on the lattice orientation, but independent on sliding direction. In the case of fcc metals, the values of frictional force is strongly correlated with those of critical shear stress. This paper reports measurements of frictional force in an elastic contact condition, in order to confirm the proposed concept of friction. The frictional force betweun the tip having radius of 15-30μm and the flat plane is measured with an electrobalance in air and in ultra high vacuum. The results agree well with the proposed concept of friction.
公益社団法人精密工学会の論文
1991-06-05