Wear resistance and tribological features of pure aluminum and Al-Al2O3 composites consolidated by high-pressure torsion

Kaveh Edalati, Maki Ashida, Zenji Horita, Toshiaki Matsui, Hirotaka Kato

研究成果: ジャーナルへの寄稿記事

40 引用 (Scopus)

抄録

Ultrafine-grained pure Al and Al-based composites with 10 and 20vol% of Al2O3 were produced by cold consolidation of powders using high-pressure torsion (HPT). Ball-on-disc wear resistance of Al was improved by HPT when compared to its coarse-grained counterpart processed with H24 treatment (cold rolling followed by low-temperature annealing). Wear width decreased but wear depth and wear volume increased with the addition of Al2O3 to the Al matrix. The wear mechanism was mainly due to adhesion in Al and Al-Al2O3 composites. It was found that the variation of wear width can be represented by a unique function of the ratio of load/hardness in consistency with the Reye's hypothesis and the Holm and Archard relationships. However, the variation of wear depth was inconsistent with the hardness variations.

元の言語英語
ページ(範囲)83-89
ページ数7
ジャーナルWear
310
発行部数1-2
DOI
出版物ステータス出版済み - 2 15 2014

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Aluminum
wear resistance
Torsional stress
Wear resistance
torsion
Wear of materials
aluminum
composite materials
Composite materials
hardness
Hardness
cold rolling
consolidation
Cold rolling
Consolidation
Powders
balls
Loads (forces)
adhesion
Adhesion

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

これを引用

Wear resistance and tribological features of pure aluminum and Al-Al2O3 composites consolidated by high-pressure torsion. / Edalati, Kaveh; Ashida, Maki; Horita, Zenji; Matsui, Toshiaki; Kato, Hirotaka.

:: Wear, 巻 310, 番号 1-2, 15.02.2014, p. 83-89.

研究成果: ジャーナルへの寄稿記事

Edalati, Kaveh ; Ashida, Maki ; Horita, Zenji ; Matsui, Toshiaki ; Kato, Hirotaka. / Wear resistance and tribological features of pure aluminum and Al-Al2O3 composites consolidated by high-pressure torsion. :: Wear. 2014 ; 巻 310, 番号 1-2. pp. 83-89.
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