Departures from Amonton's law of friction
- 33 Downloads
The method of transition from light friction (rolling) to heavy friction (sliding) is used for analyzing the principal departure from Amonton's law (force of sliding friction T proportional to the normal pressure force N) for several metal — nonmetal pairs when the sliding time t approaches zero. It appears that the departure mode is, under these conditions, the same for all pairs which have been tested here. Experimental and theoretical evidence is given to prove that all other modes of departure from Amonton's law represent consequences of changes in the rubbing surfaces which occur during sliding and that, therefore, such departures will appear only after a long enough period of sliding.
KeywordsNormal Pressure Pressure Force Principal Departure Departure Mode Theoretical Evidence
Unable to display preview. Download preview PDF.
- 1.P. W. Bridgman, A Study of Large Plastic Deformations and Fracture [Russian translation], Izd. Inostr. Lit., Moscow (1955); Phys. Rev.,48, 825 (1935).Google Scholar
- 2.G. I. Epifanov, “Experimental verification of the binomial friction law,” Dokl. Akad. Nauk SSSR,118, No. 6, Moscow (1958).Google Scholar
- 3.A. S. Akhmatov and Kh. Z. Ustok, “Dependence of the boundary-friction forces on the pressure,” in: Theory of Lubricating Action and New Materials [in Russian], Izd. Nauka, Moscow (1965).Google Scholar
- 4.G. I. Epifanov, “Asymptotic method for the study of sliding friction,” in: Instruments and Test Stands [in Russian], Izd. Akad. Nauk SSSR, Moscow (1956).Google Scholar
- 5.Yu. M. Mamontova, “Some results in a study by the asymptotic method of jumps during rubbing,” in: Theory of Mechanisms and Machines [in Russian], Vol. 3, Khar'kov (1967).Google Scholar
- 6.Yu. M. Mamontova, Candidate's Dissertation (1970).Google Scholar
- 7.I. V. Kragel'skii, Friction and Wear [in Russian], Mashgiz, Moscow (1962).Google Scholar
- 8.A. S. Akhmatov, Molecular Theory of Boundary Friction [in Russian], Moscow (1963).Google Scholar