Coatings tribology

Contact mechanisms and surface design

Kenneth Holmberg, Allan Matthews, Helena Ronkainen

Research output: Contribution to journalArticleScientificpeer-review

291 Citations (Scopus)

Abstract

he fundamentals of coating tribology are presented by using a generalised holistic approach to the friction and wear mechanisms of coated surfaces in dry sliding contacts. It is based on a classification of the tribological contact process into macromechanical, micromechanical, nanomechanical and tribochemical contact mechanisms, and material transfer.
The important influence of thin tribo- and transfer layers formed during the sliding action is shown. Optimal surface design regarding both friction and wear can be achieved by new multi-layer techniques which can provide properties such as reduced stresses, improved adhesion to the substrate, more flexible coatings and harder and smoother surfaces.
The differences between contact mechanisms in dry, water- and oil-lubricated contacts with coated surfaces is illustrated by experimental results from diamond-like coatings sliding against a steel and an alumina ball.
The mechanisms of the formation of dry transfer layers, tribolayers and lubricated boundary and reaction films are discussed.
Original languageEnglish
Pages (from-to)107-120
JournalTribology International
Volume31
Issue number1-3
DOIs
Publication statusPublished - 1998
MoE publication typeA1 Journal article-refereed

Fingerprint

tribology
Tribology
coatings
Coatings
sliding
friction
Wear of materials
Friction
sliding contact
Diamond
Aluminum Oxide
Steel
balls
Diamonds
Oils
adhesion
Alumina
Adhesion
aluminum oxides
oils

Cite this

Holmberg, Kenneth ; Matthews, Allan ; Ronkainen, Helena. / Coatings tribology : Contact mechanisms and surface design. In: Tribology International. 1998 ; Vol. 31, No. 1-3. pp. 107-120.
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Coatings tribology : Contact mechanisms and surface design. / Holmberg, Kenneth; Matthews, Allan; Ronkainen, Helena.

In: Tribology International, Vol. 31, No. 1-3, 1998, p. 107-120.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Coatings tribology

T2 - Contact mechanisms and surface design

AU - Holmberg, Kenneth

AU - Matthews, Allan

AU - Ronkainen, Helena

N1 - Project code: V7SU00316

PY - 1998

Y1 - 1998

N2 - he fundamentals of coating tribology are presented by using a generalised holistic approach to the friction and wear mechanisms of coated surfaces in dry sliding contacts. It is based on a classification of the tribological contact process into macromechanical, micromechanical, nanomechanical and tribochemical contact mechanisms, and material transfer. The important influence of thin tribo- and transfer layers formed during the sliding action is shown. Optimal surface design regarding both friction and wear can be achieved by new multi-layer techniques which can provide properties such as reduced stresses, improved adhesion to the substrate, more flexible coatings and harder and smoother surfaces. The differences between contact mechanisms in dry, water- and oil-lubricated contacts with coated surfaces is illustrated by experimental results from diamond-like coatings sliding against a steel and an alumina ball. The mechanisms of the formation of dry transfer layers, tribolayers and lubricated boundary and reaction films are discussed.

AB - he fundamentals of coating tribology are presented by using a generalised holistic approach to the friction and wear mechanisms of coated surfaces in dry sliding contacts. It is based on a classification of the tribological contact process into macromechanical, micromechanical, nanomechanical and tribochemical contact mechanisms, and material transfer. The important influence of thin tribo- and transfer layers formed during the sliding action is shown. Optimal surface design regarding both friction and wear can be achieved by new multi-layer techniques which can provide properties such as reduced stresses, improved adhesion to the substrate, more flexible coatings and harder and smoother surfaces. The differences between contact mechanisms in dry, water- and oil-lubricated contacts with coated surfaces is illustrated by experimental results from diamond-like coatings sliding against a steel and an alumina ball. The mechanisms of the formation of dry transfer layers, tribolayers and lubricated boundary and reaction films are discussed.

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DO - 10.1016/S0301-679X(98)00013-9

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