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friction
friction
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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fric·tion
/ ˈfrikshən/
•
n.
the resistance that one surface or object encounters when moving over another:
a lubrication system that reduces friction.
∎
the action of one surface or object rubbing against another:
the friction of braking.
∎
conflict or animosity caused by a clash of wills, temperaments, or opinions:
a considerable amount of friction between father and son.
DERIVATIVES:
fric·tion·less
adj.
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Friction Science and Technology: From Concepts to Applications, Second Edition
Magazine article from: Tribology & Lubrication Technology; 10/1/2008; ; 700+ words
; Friction Science and Technology From Concepts to Applications...we've seen many developments in our understanding of friction. Examples include new ASTM standards for friction measurement, laser-dimpled surfaces for friction control...
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Friction at the atomic scale
Magazine article from: Lubrication Engineering; 1/1/1997; ; 700+ words
; ...neglected by physicists, the study of friction's atomic-level origins, or nanotribology...nowhere to classify my atomic-scale friction abstract within a myriad of March meeting...categories. It was not that research on friction did not exist. I had always been welcomed...
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Friction and wear mechanisms of smooth diamond films during sliding in air and dry nitrogen
Magazine article from: Tribology Transactions; 10/1/1997; ; 700+ words
; ...then dominate the long-term sliding friction and wear performance of these films...square (RMS)) and described their friction and wear mechanisms in open air and dry...tribological tests indicated that the friction coefficients of Si^sub 3^N^sub...
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Friction behavior of boric acid and anneled boron carbide coatings studied byin situ Raman Tribometry
Magazine article from: Tribology Transactions; 7/1/2002; ; 700+ words
; The sliding friction behavior of boric acid and annealed...micro-Raman tribometer recorded the friction force as well as allowed both visualization...spectroscopy of the contacts during sliding. Friction coefficients for the boric acid films...
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Friction Stir Welding.(Airframe Technology)
Magazine article from: Aircraft Maintenance Technology; 7/1/2007; 700+ words
; Friction Stir Welding By James Careless Understanding and repairing friction stir welds For veteran aircraft technicians, the very idea of friction stir welding can be disturbing. "How can you weld two pieces of metal together without using fusion...
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Friction reduction and management for climbing.(TRAINING & EDUCATION)
Magazine article from: Arbor Age; 2/1/2008; ; 700+ words
; Friction plays a role in every aspect of climbing arborists...climbers to the ends of their lines rely on friction to stay in place, and all knots and hitches are dependent on some measure of friction, regardless of their function. However...
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Friction and wear transitions in carbons (temperature and stress analysis)
Magazine article from: Tribology Transactions; 10/1/2001; ; 700+ words
; In this paper the friction and wear behavior of a carbon composite is studied. Friction tests were performed under constant friction mode. The power inputs were increased gradually to study their effects on friction transition at ambient air environment...
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FRICTION COEFFICIENTS OF WOOD-BASED STRUCTURAL COMPOSITES.
Magazine article from: Forest Products Journal; 3/1/2000; ; 700+ words
; ...for obtaining the static and kinetic friction coefficients of structural, wood...accuracy. Data indicated that kinetic friction coefficients were more consistent and less variable than static friction coefficients. Both static and kinetic...
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Friction behavior of boric acid and annealed boron carbide coatings studied by in situ Raman tribometry
Magazine article from: Lubrication Engineering; 1/1/2003; ; 700+ words
; ...based this discovery on good exploratory friction and wear testing and published the results...are you listening? CDC The sliding friction behavior of boric acid and annealed boron...micro-- Raman tribometer recorded the friction force as well as allowed both visualization...
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Friction-enhancing properties of ZDDP antiwear additive: Part II-influence of ZDDP reaction films on EHD lubrication(C)
Magazine article from: Tribology Transactions; 7/1/2003; ; 700+ words
; ...paper, Part I, it was shown that the friction enhancement produced in mixed lubrication...lubrication, with consequently high friction, up to higher speeds than would otherwise...KEYWORDS Antiwear Additives; ZDDP; Friction; Surface Roughness; Boundary Lubrication...
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friction
Book article from: The Columbia Encyclopedia, Sixth Edition
friction resistance offered to the movement of one body past another body with which it is in contact. In certain situations friction is desired. Without friction the wheels of a locomotive could not "grip" the rails nor could...
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Friction
Book article from: Science of Everyday Things
FRICTION CONCEPT Friction is the force that resists motion when the surface of one object comes into contact with the surface of another. In a machine, friction reduces the mechanical advantage, or the ratio of output to input...
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Friction Ridge Skin and Personal Identification: A History of Latent Fingerprint Analysis
Book article from: World of Forensic Science
Friction Ridge Skin and Personal Identification...the feet is specialized. It is called friction ridge skin because the skin occurs in...not flat and smooth like other skin. Friction ridge skin is slightly elastic in nature...
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angle of internal friction
Book article from: A Dictionary of Earth Sciences
angle of internal friction ( friction angle ) A measure of the ability of a unit of rock or soil to...stress ( S ). Its tangent ( S/N ) is the coefficient of sliding friction. Its value is determined experimentally.
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friction murmur
Book article from: A Dictionary of Nursing
friction murmur ( friction rub ) ( frik -shŏn) n. a scratching sound, heard over the heart with the aid of the stethoscope, in patients who have pericarditis. It results from the two inflamed layers of the pericardium rubbing together during activity of the heart.
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