Development of warm compacted and high temperature sintered P/M sprockets for silent chain system of DIG (Direct Injection Gasoline) automotive engines

Akira Fujiki, Yukihiro Maekawa, Yutaka Mabuchi, Takaya Watanabe, Yoshimi Sugaya, Makoto Iwakiri, Takashi Sibano

研究成果: Article

抄録

The authors have previously reported on the warm compacted and normal temperature (1140°C) sintered P/M sprockets of the roller chain system of non-DIG (normal MPI gasoline) engines. In this new development, the mechanical properties of several warm-compacted and high-temperature sintered P/M steels were investigated. A wear test was also conducted to examine the anti-wear characteristics of these material using dummy engines. Finally, sprockets of silent chain system of DIG engines were developed that can endure sever wear conditions. The base powder used was a hybrid material (Distaloy DC1). It was 2mass%Ni (nickel) and was diffusion bonded to pre-alloy Fe-1.5mass%Mo (molybdenum) powder. The warm compaction was conducted with the powder, die and tools at 130°C. The sintering temperature was 1190°C and heat treatment was also applied to the sprockets.

元の言語English
ページ(範囲)438-443
ページ数6
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
49
発行部数5
出版物ステータスPublished - 2002 5
外部発表Yes

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Sprockets
Direct injection
Powders
Gasoline
Wear of materials
Engines
Rollers (machine components)
Molybdenum
Steel
Hybrid materials
Nickel
Temperature
Compaction
Sintering
Heat treatment
Mechanical properties

ASJC Scopus subject areas

  • Mechanical Engineering
  • Metals and Alloys

これを引用

Development of warm compacted and high temperature sintered P/M sprockets for silent chain system of DIG (Direct Injection Gasoline) automotive engines. / Fujiki, Akira; Maekawa, Yukihiro; Mabuchi, Yutaka; Watanabe, Takaya; Sugaya, Yoshimi; Iwakiri, Makoto; Sibano, Takashi.

:: Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, 巻 49, 番号 5, 05.2002, p. 438-443.

研究成果: Article

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AU - Mabuchi, Yutaka

AU - Watanabe, Takaya

AU - Sugaya, Yoshimi

AU - Iwakiri, Makoto

AU - Sibano, Takashi

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