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  1. No Access

    Article

    A Simplified Model of Surface Burnishing and Friction in Repeated Make-Up Process of Premium Tubular Connections

    We develop a simplified model to predict the frictional behaviour of the contact between the surfaces of a rotary shouldered thread connection in the make-up process of premium tubular connections as used in t...

    H. R. Le, F. Stewart, J. A. Williams in Tribology Letters (2015)

  2. No Access

    Article

    Tribological Characterisation of Air-Sprayed Epoxy-CNT Nanocomposite Coatings

    Epoxy-carbon nanotube (CNT) composites are promising coating materials for wear and corrosion critical applications such as marine bearings, shafts, bolts and gears. However, there are insufficient tribologica...

    H. R. Le, A. Howson, M. Ramanauskas, J. A. Williams in Tribology Letters (2012)

  3. No Access

    Article

    The peeling of flexible probabilistic fasteners

    Probabilistic fasteners are attachment devices consisting of two elements each of which is covered by an array of outgrowths or protuberances which interact or interlock with those on the opposing surface to f...

    J. A. Williams, S. G. Davies, S. Frazer in Tribology Letters (2007)

  4. No Access

    Article

    Friction and material transfer in micro-scale sliding contact between aluminium alloy and steel

    A ball-on-flat reciprocating micro-tribometer has been used to measure the friction coefficient between aluminium alloy strip and a steel ball. A relatively small ball and correspondingly low contact load is u...

    H. R. Le, M. P. F. Sutcliffe, J. A. Williams in Tribology Letters (2005)

  5. No Access

    Article

    The Behaviour of Sliding Contacts Between Non-Conformal Rough Surfaces Protected by 'Smart' Films

    Many tribological contacts involve two components, each exhibiting finite roughness, sliding over one another for many repeated cycles of operation. Although the initial contact may be plastic, if low wear rat...

    J.A. Williams in Tribology Letters (2004)

  6. No Access

    Article

    Friction and lubrication effects in the machining of aluminium alloys

    Friction between the rake face of a cutting tool and the freshly formed chip surface plays a vital role in influencing both the ease of cutting and the quality of the resultant machined surface. The existence ...

    W.Y.H. Liew, I.M. Hutchings, J.A. Williams in Tribology Letters (1998)

  7. No Access

    Article

    The friction of sliding surfaces carrying boundary layers

    Conventional boundary films are thought of as ``solid'' layers in which shear strength is directly proportional to local contact pressure. However, recent studies suggest both that the properties of adsorbed o...

    K.A. Blencoe, J.A. Williams in Tribology Letters (1997)