Investigation of the improvements in tribological characteristics by fine particle peening using diamond/steel hybridized particles

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  • ダイヤモンド/鋼複合粒子を用いた微粒子ピーニングによる摩擦摩耗特性の改善
  • ダイヤモンド/コウ フクゴウ リュウシ オ モチイタ ビリュウシ ピーニング ニ ヨル マサツ マモウ トクセイ ノ カイゼン

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The authors attempted to improve the tribological characteristics of stainless steel by fine particle peening (FPP) to transfer fine diamond powders onto the treated surfaces. FPP using specially developed diamond/steel hybridized particles induced the transfer of diamond powders followed by their embedding into the substrate. The surfaces modified with diamond exhibited low friction coefficients as well as reduced wear. The reductions in friction and wear were because the wear particles produced from the FPP-surfaces and covered the wear tracks suppressed adhesion between sliding systems. Advantages of FPP using the hybridized particles could be realized because of its ability to create modified surfaces with embedded diamond powder.

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