Fatigue strength of steel rollers and gears treated by cavitation peening with short processing time (A Case of Processing Time of 1 min and 5 min)

Masanori Seki, Naruto Nishie, Seiya Kozai, Masamitsu Kakuda, Hitoshi Soyama, Akima Naito, Masahiro Fujii

研究成果: Article査読

5 被引用数 (Scopus)

抄録

In this study, steel rollers and gears were treated by the cavitation peening with processing times of 1 min and 5 min, and they were fatigue-tested using a roller testing machine and a gear testing machine. The surface hardness and the compressive residual stress of the rollers and gears were increased by the cavitation peening, while, the surface roughness of the cavitation-peened rollers and gears was almost the same as that of the non-peened ones. As a result of the fatigue tests, the fatigue strength of the test specimens were improved by the increase in surface hardness due to the cavitation peening, and those without the increase in surface hardness were not increased so much. The fatigue strength of the cavitation-peened test specimens was similar to that of the shot-peened ones obtained by the previous fatigue tests. This study revealed that the cavitation peening is expected to put to practical use in the improvement in fatigue strength of steel gears.

本文言語English
ページ(範囲)33-43
ページ数11
ジャーナルJournal of Advanced Mechanical Design, Systems and Manufacturing
6
1
DOI
出版ステータスPublished - 2012

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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