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Abrasion resistance of lamellar graphite iron : Interaction between microstructure and abrasive particles

Ghasemi, Rohollah, 1983- (author)
Jönköping University,JTH, Material och tillverkning,Department of Materials and Manufacturing, School of Engineering, Jönköping University, Sweden
Elmquist, Lennart (author)
RISE,SWECAST,Swerea SWECAST, Jönköping, Sweden
Ghassemali, Ehsan, 1983- (author)
Jönköping University,JTH, Material och tillverkning,Department of Materials and Manufacturing, School of Engineering, Jönköping University, Sweden
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Salomonsson, Kent (author)
Jönköping University,JTH, Material och tillverkning,Department of Materials and Manufacturing, School of Engineering, Jönköping University, Sweden
Jarfors, Anders E.W. 1963- (author)
Jönköping University,JTH, Material och tillverkning,Department of Materials and Manufacturing, School of Engineering, Jönköping University, Sweden
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 (creator_code:org_t)
Elsevier BV, 2018
2018
English.
In: Tribology International. - : Elsevier BV. - 0301-679X .- 1879-2464. ; 120, s. 465-475
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • This study focuses on abrasion resistance of Lamellar Graphite Iron (LGI) using microscratch test under constant and progressive load conditions. The interactions between a semi-spherical abrasive particle, cast iron matrix and graphite lamellas were physically simulated using a sphero-conical indenter. The produced scratches were analysed using LOM and SEM to scrutinise the effect of normal load on resulting scratch depth, width, frictional force, friction coefficient and deformation mechanism of matrix during scratching. Results showed a significant matrix deformation, and change both in frictional force and friction coefficient by increase of scratch load. Furthermore, it was shown how abrasive particles might produce deep scratches with severe matrix deformation which could result in graphite lamella's coverage and thereby deteriorate LGI's abrasion resistance.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Tribologi (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Tribology (hsv//eng)

Keyword

Abrasion resistance
Lamellar graphite cast iron
Microstructure
Pearlite deformation
Scratch test
Abrasion
Abrasives
Deformation
Friction
Graphite
Iron
Tribology
Wear resistance
Abrasive particles
Deformation mechanism
Friction coefficients
Matrix deformation
Micro-scratch test
Cast iron

Publication and Content Type

ref (subject category)
art (subject category)

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