Surface Abrasion ... further questions
Surface Abrasion ... further questions
(OP)
Tank you Vanstoja for your answer..
I know now that two body abrasion wear is involved in the process I´m working on. (because of clear furrows on the surface.)
I have another questions :
- what is the influence of roughness of the surface which is abraded on the wear rate ?Is it higher for a flat surface or a rough surface or the same (no influence)?
- when I was talking on a model about wear (two body abrasive wear), I mean something that describes the geometry or shape of the cuttings that are made into the material (as a fonction of abradant asperities : shape, number, hardness, Young´S modulus.. ?) or something in this direction. Do someone know about this or have any useful references?
Would be grateful of answers..
Alex
I know now that two body abrasion wear is involved in the process I´m working on. (because of clear furrows on the surface.)
I have another questions :
- what is the influence of roughness of the surface which is abraded on the wear rate ?Is it higher for a flat surface or a rough surface or the same (no influence)?
- when I was talking on a model about wear (two body abrasive wear), I mean something that describes the geometry or shape of the cuttings that are made into the material (as a fonction of abradant asperities : shape, number, hardness, Young´S modulus.. ?) or something in this direction. Do someone know about this or have any useful references?
Would be grateful of answers..
Alex





RE: Surface Abrasion ... further questions
According to the Wear Control Handbook cited in Thread342-116135, the factors affecting wear are environment, geometry, [wear coefficient*finish factor/hardness], film thickness, load, velocity, temperature and time. Wear coefficient,K, represents a given situation which refers to a given material-lubricant combination with a specific geometry and finish and a given environment. An expression for wear depth perpendicular to contact area is h=KPVt/H where h,P,V,t and H are depth,contact pressure, velocity, time and hardness.
RE: Surface Abrasion ... further questions
TTFN
RE: Surface Abrasion ... further questions
Several good tutorial websites on wear of metals are:
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www.alloysteel.net/english/4_wear_factors.asp
www.materialsengineer.com/CA-Wear.htm
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