Tribological properties of twin wire arc spray coated aluminum cylinder liner

Jae Kang Kim, Fabio Antonio Xavier, Dae Eun Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The effects of honing process on the friction and wear behaviors of Twin Wire Arc Spray (TWAS) coated aluminum cylinder liners were investigated using a pin-on-reciprocating type of a tribotester. Two types of coated cylinder liners were prepared for the tests: Type I - smooth honing (SH) with ~. 40° honing angle, and Type II - helical structure honing (HSH) with ~. 140° honing angle. The aluminum cylinder liners were coated with an Fe0.8C wire by the TWAS process. In un-lubricated condition, Type II specimen showed lower coefficient of friction (COF) compared to Type I specimen. This result was due to the fact that the groove of Type II was sufficiently large to trap the wear particles that may otherwise contribute to three body abrasive wear. In lubricated condition, Type I showed lower COF due to its lower roughness in comparison to Type II. The experimental results indicate that TWAS process can be effectively utilized for engine applications in conjunction with optimum honing process for the cylinder liner.

Original languageEnglish
Pages (from-to)231-237
Number of pages7
JournalMaterials and Design
Volume84
DOIs
Publication statusPublished - 2015 Nov 5

Fingerprint

Honing
Engine cylinders
Aluminum
Wire
Friction
Wear of materials
Abrasion
Surface roughness
Engines

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Kim, Jae Kang ; Xavier, Fabio Antonio ; Kim, Dae Eun. / Tribological properties of twin wire arc spray coated aluminum cylinder liner. In: Materials and Design. 2015 ; Vol. 84. pp. 231-237.
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Tribological properties of twin wire arc spray coated aluminum cylinder liner. / Kim, Jae Kang; Xavier, Fabio Antonio; Kim, Dae Eun.

In: Materials and Design, Vol. 84, 05.11.2015, p. 231-237.

Research output: Contribution to journalArticle

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AB - The effects of honing process on the friction and wear behaviors of Twin Wire Arc Spray (TWAS) coated aluminum cylinder liners were investigated using a pin-on-reciprocating type of a tribotester. Two types of coated cylinder liners were prepared for the tests: Type I - smooth honing (SH) with ~. 40° honing angle, and Type II - helical structure honing (HSH) with ~. 140° honing angle. The aluminum cylinder liners were coated with an Fe0.8C wire by the TWAS process. In un-lubricated condition, Type II specimen showed lower coefficient of friction (COF) compared to Type I specimen. This result was due to the fact that the groove of Type II was sufficiently large to trap the wear particles that may otherwise contribute to three body abrasive wear. In lubricated condition, Type I showed lower COF due to its lower roughness in comparison to Type II. The experimental results indicate that TWAS process can be effectively utilized for engine applications in conjunction with optimum honing process for the cylinder liner.

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