Effects of thickness and roughness variations on the abrasiveness of a thin boron carbide coating

M. T. Siniawski; S. J. Harris; Q. Wang; Y. W. Chung; C. Freyman

doi:10.1007/s11249-004-8102-0

Effects of thickness and roughness variations on the abrasiveness of a thin boron carbide coating

M. T. Siniawski^*, S. J. Harris, Q. Wang, Y. W. Chung, C. Freyman

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Boron carbide (B₄C) is well known for its high hardness and favorable wear resistant properties. In dry sliding wear contact, it polishes its mating surface and provides fatigue resistance to coated parts. Employing such run-in coatings demands a thorough understanding of the parameters which directly influence the changes that occur in the coating abrasiveness during the polishing process. In this study, the effects of the overall coating thickness, overall coating roughness, substrate roughness and substrate roughness orientation are examined in connection with abrasiveness. The coating thickness only influences the initial abrasiveness, whereas the coating roughness drastically affects the rate at which the abrasiveness decreases. Finally, no significant changes are observed in the abrasiveness due to substrate roughness or substrate roughness orientation effects. This work provides further insight into the design of a finite-life run-in coating.

Original language	English (US)
Pages (from-to)	931-937
Number of pages	7
Journal	Tribology Letters
Volume	17
Issue number	4
DOIs	https://doi.org/10.1007/s11249-004-8102-0
State	Published - Nov 2004

Funding

M.T.S., Q.W., Y.W.C., and C.F. would like to acknowledge Ford Motor Company for financial support of this project. The authors would also like to acknowledge Dong Zhu of Eaton Corporation for providing B4C coatings. Finally, the authors would like to acknowledge Jose Sanchez for sample preparation.

Keywords

Abrasiveness
Boron carbide
Coating
Roughness
Thickness

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1007/s11249-004-8102-0

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title = "Effects of thickness and roughness variations on the abrasiveness of a thin boron carbide coating",

abstract = "Boron carbide (B4C) is well known for its high hardness and favorable wear resistant properties. In dry sliding wear contact, it polishes its mating surface and provides fatigue resistance to coated parts. Employing such run-in coatings demands a thorough understanding of the parameters which directly influence the changes that occur in the coating abrasiveness during the polishing process. In this study, the effects of the overall coating thickness, overall coating roughness, substrate roughness and substrate roughness orientation are examined in connection with abrasiveness. The coating thickness only influences the initial abrasiveness, whereas the coating roughness drastically affects the rate at which the abrasiveness decreases. Finally, no significant changes are observed in the abrasiveness due to substrate roughness or substrate roughness orientation effects. This work provides further insight into the design of a finite-life run-in coating.",

keywords = "Abrasiveness, Boron carbide, Coating, Roughness, Thickness",

author = "Siniawski, {M. T.} and Harris, {S. J.} and Q. Wang and Chung, {Y. W.} and C. Freyman",

note = "Funding Information: M.T.S., Q.W., Y.W.C., and C.F. would like to acknowledge Ford Motor Company for financial support of this project. The authors would also like to acknowledge Dong Zhu of Eaton Corporation for providing B4C coatings. Finally, the authors would like to acknowledge Jose Sanchez for sample preparation.",

year = "2004",

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doi = "10.1007/s11249-004-8102-0",

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AU - Siniawski, M. T.

AU - Harris, S. J.

AU - Wang, Q.

AU - Chung, Y. W.

AU - Freyman, C.

N1 - Funding Information: M.T.S., Q.W., Y.W.C., and C.F. would like to acknowledge Ford Motor Company for financial support of this project. The authors would also like to acknowledge Dong Zhu of Eaton Corporation for providing B4C coatings. Finally, the authors would like to acknowledge Jose Sanchez for sample preparation.

PY - 2004/11

Y1 - 2004/11

N2 - Boron carbide (B4C) is well known for its high hardness and favorable wear resistant properties. In dry sliding wear contact, it polishes its mating surface and provides fatigue resistance to coated parts. Employing such run-in coatings demands a thorough understanding of the parameters which directly influence the changes that occur in the coating abrasiveness during the polishing process. In this study, the effects of the overall coating thickness, overall coating roughness, substrate roughness and substrate roughness orientation are examined in connection with abrasiveness. The coating thickness only influences the initial abrasiveness, whereas the coating roughness drastically affects the rate at which the abrasiveness decreases. Finally, no significant changes are observed in the abrasiveness due to substrate roughness or substrate roughness orientation effects. This work provides further insight into the design of a finite-life run-in coating.

AB - Boron carbide (B4C) is well known for its high hardness and favorable wear resistant properties. In dry sliding wear contact, it polishes its mating surface and provides fatigue resistance to coated parts. Employing such run-in coatings demands a thorough understanding of the parameters which directly influence the changes that occur in the coating abrasiveness during the polishing process. In this study, the effects of the overall coating thickness, overall coating roughness, substrate roughness and substrate roughness orientation are examined in connection with abrasiveness. The coating thickness only influences the initial abrasiveness, whereas the coating roughness drastically affects the rate at which the abrasiveness decreases. Finally, no significant changes are observed in the abrasiveness due to substrate roughness or substrate roughness orientation effects. This work provides further insight into the design of a finite-life run-in coating.

KW - Abrasiveness

KW - Boron carbide

KW - Coating

KW - Roughness

KW - Thickness

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JO - Tribology Letters

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ER -

Effects of thickness and roughness variations on the abrasiveness of a thin boron carbide coating

Abstract

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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