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A friction and wear study of carbon in sliding contact with metal by Roger B. Horne

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Published by Naval Postgraduate School in Monterey, Calif .
Written in English

Subjects:

  • Mechanical engineering

Book details:

ID Numbers
Open LibraryOL25167590M

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effect on friction, wear, and transfer characteristics. With amorphous carbon, the least chemically active metal gave the highest wear and amount of carbon transfer. Both forms of carbon gave lower friction and wear and lower transfer rates when in contact with clean, as opposed to oxide-covered, chromium surfaces. With copper, the reverse was true;File Size: 2MB. Experimental studies on friction and wear properties of collector strip/contact wire materials in a high sliding velocity with a large AC were performed using a quasi full-scale test machine. Arc erosion, abrasive wear and adhesive wear accompanied by material transfer are found to be the main wear mechanisms. The electric current is a key factor resulting in severe wear of strips due to arc Cited by: In an effort to improve the surface properties of electrical contact materials in terms of high friction coefficient and wear rate, diamond-like carbon (DLC) films containing different metal elements were prepared on stainless steel substrates using an unbalanced magnetron sputtering by: 1. Friction, Wear and Wear Protection. Editor(s): Prof. Dr.‐Ing. Study on the Wear and Friction of Short Carbon Fiber and/or Nano‐TiO 2 Reinforced Polyphenylene Sulfide Composites Friction and Wear of Highly Loaded Mixed Lubrication Contacts Influenced by Superposed Sliding Directions and Intermittent Surface Pressure Performed on a.

This introductory chapter defines the word ‘tribology’ as the study of friction, wear and lubrication. It provides an overview of the field and suggests that tribology is a core enabling technology in almost all mechanical systems, including biomedical applications. Wider application of sound tribological principles can provide definite economic benefits, and can also contribute to reduced carbon emissions and . It is generally well-known that a gas atmosphere can significantly affect the friction and wear behaviour of steel and other metal contacts. The friction and wear behaviour of steel and other metals are governed partially by the oxygen (O 2) adsorption and the formation of surface oxide layers which enable relatively favourable sliding conditions in comparison with the pure non-oxidised metal surfaces Cited by:   Abstract. Friction is a universal phenomenon which is observed in a great variety of sliding and rolling situations. The study of friction and wear has long been of enormous practical importance, since the functioning of many mechanical, electromechanical, and biological systems depends on the appropriate friction and wear by: Relationships between friction and wear break-in behaviors Eyre [31] has suggested three general wear versus sliding distance curve types for metals. One type of curve shows a high wear rate throughout the duration of the test, the second type shows a low rate for the entire test and the third shows an initial high rate with a sharp transition to a lower rate at some later by:

The current research paper investigates the effect of contact conditions on friction and wear behaviour of carbon and low alloy rail/wheel steels. Two-disc rolling-sliding tests were done to study. The friction and wear properties of the carbon fabric reinforced polyimide composites (CFRP), sliding against GCr15 stainless steel rings, were investigated on an M model ring-on-block test. Fig. 6 shows the dynamic friction coefficient of 1K carbon cloth reinforcing carbon/carbon composites at different inertias and the velocity of r/min. Dynamic friction coefficient reaches a peak when the inertia is Kgm. 2, while it has a relatively small value when the values of main shaft inertia is equal to Kgm. 2. and Kg File Size: KB. Sliding Friction of Steel of speed and load on sliding wear as well as friction The main objective of the experiment was to analyze and compare tool steel wear in contact with two kinds of.