DOI: 10.1098/rspa.1981.0001. The frictional anisotropy of diamond

10.1098/rspa.1981.0001

Crossref journal-article

The Royal Society

Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences (175)

Abstract

This paper describes a study of the friction, in air, of a spherically tipped diamond stylus over the {100} face of a flat diamond surface. The results show that in general the friction is greater when sliding occurs along the <100> direction than along the <110> direction. This cannot be explained in terms of a Coulomb frictional mechanism where the friction is attributed to the climbing of one surface over the asperities on the other, for in that case the coefficient of friction is determined solely by the surface topography and is independent of load. By contrast, the experiments described in this paper show that below a critical load Wc the frictional anisotropy virtually disappears. This critical load is proportional to R 2 , where R is the radius of curvature of the stylus, implying, for Hertzian deformation, a critical contact pressure. For both type I and type II diamonds this critical pressure has a value of the order of 20 GN m -2 . At these and larger contact pressures cathodoluminescent studies of the flat diamond surfaces indicate that the frictional anisotropy is largely due to surface and sub-surface damage produced in preferred crystallographic directions by the sliding process itself. The results are discussed in terms of crack formation and plastic deformation. However, the results do not, as yet, provide an unequivocal account of the mechanism of energy dissipation.

Bibliography

The frictional anisotropy of diamond. (1981). Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences, 373(1755), 405â417.

Authors 0

None

References 22 Referenced 64

{'key': 'p_1', 'first-page': '61', 'article-title': 'Annin', 'volume': '43', 'author': 'Auerbach F.', 'year': '1891', 'journal-title': 'Phys. Chem.'} / Phys. Chem. / Annin by Auerbach F. (1891)
10.1098/rspa.1966.0238
10.1098/rspa.1966.0237
Bowden F. P. & Tabor D. 1964 Friction and Iubrication of solids. Oxford: Clarendon Press.
Casey M. & Wilks J. 1973 J.Phys. D 6 1772-1781. (10.1088/0022-3727/6/15/303)
10.1007/BF00551808
10.1080/14786437508222808
Cooper R. 1961 Ph.D. thesis University of Cambridge.
10.1098/rspa.1973.0072
Field J. E. 1979 (ed.) The properties of diamond. London New York San Francisco: Academic Press.
10.1098/rspa.1967.0137
{'key': 'p_12', 'first-page': '371', 'article-title': 'J. appl', 'volume': '33', 'author': 'Hamilton G. M.', 'year': '1966', 'journal-title': 'Mech.'} / Mech. / J. appl by Hamilton G. M. (1966)
Lang A. R. 1979 The properties of diamond (ed. J. E. Field) ch. 14. London New York San Francisco: Academic Press.
10.1098/rspa.1967.0138
10.1016/0022-2313(79)90261-8
{'key': 'p_16', 'first-page': '55', 'article-title': 'Proc. phys', 'volume': '69', 'author': 'Roesler F. C.', 'year': '1956', 'journal-title': 'Soc. B'} / Soc. B / Proc. phys by Roesler F. C. (1956)
10.1098/rspa.1958.0250
{'key': 'p_18', 'first-page': '111', 'article-title': 'Ind', 'author': 'Seal M.', 'year': '1965', 'journal-title': 'Diamond Rev.'} / Diamond Rev. / Ind by Seal M. (1965)
Steijn R. P. 1964 Wear. 7 48-66. (10.1016/0043-1648(64)90078-X)
Tabor D. 1951 The hardness of metals. Oxford: Clarendon Press.
Tabor D. 1979 The properties of diamond (ed. J. E. Field) ch. 10. London New York San Francisco: Academic Press.
Velednitskaya M. A. Rozhanskii V. N. Comolova L. F. Saparin G. V. Schreiber J. & Briimmer O. 197s Physica. Status Solidi a 32 123-132. (10.1002/pssa.2210320113)

Dates

Type	When
Created	18 years, 8 months ago (Dec. 15, 2006, 3:15 p.m.)
Deposited	4 years, 6 months ago (Feb. 18, 2021, 4 a.m.)
Indexed	2 months, 2 weeks ago (June 10, 2025, 4:05 p.m.)
Issued	44 years, 7 months ago (Jan. 7, 1981)
Published	44 years, 7 months ago (Jan. 7, 1981)
Published Online	28 years, 7 months ago (Jan. 1, 1997)
Published Print	44 years, 7 months ago (Jan. 7, 1981)

Funders 0

None

BibTeX

@article{1981, volume={373}, ISSN={0080-4630}, url={http://dx.doi.org/10.1098/rspa.1981.0001}, DOI={10.1098/rspa.1981.0001}, number={1755}, journal={Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences}, publisher={The Royal Society}, year={1981}, month=jan, pages={405–417} }

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  "abstract": "<jats:p>\n            This paper describes a study of the friction, in air, of a spherically tipped diamond stylus over the {100} face of a flat diamond surface. The results show that in general the friction is greater when sliding occurs along the &lt;100&gt; direction than along the &lt;110&gt; direction. This cannot be explained in terms of a Coulomb frictional mechanism where the friction is attributed to the climbing of one surface over the asperities on the other, for in that case the coefficient of friction is determined solely by the surface topography and is independent of load. By contrast, the experiments described in this paper show that below a critical load Wc the frictional anisotropy virtually disappears. This critical load is proportional to\n            <jats:italic>R</jats:italic>\n            <jats:sup>2</jats:sup>\n            , where\n            <jats:italic>R</jats:italic>\n            is the radius of curvature of the stylus, implying, for Hertzian deformation, a critical contact pressure. For both type I and type II diamonds this critical pressure has a value of the order of 20 GN m\n            <jats:sup>-2</jats:sup>\n            . At these and larger contact pressures cathodoluminescent studies of the flat diamond surfaces indicate that the frictional anisotropy is largely due to surface and sub-surface damage produced in preferred crystallographic directions by the sliding process itself. The results are discussed in terms of crack formation and plastic deformation. However, the results do not, as yet, provide an unequivocal account of the mechanism of energy dissipation.\n          </jats:p>",
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