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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 189 - 195 (7page)
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초록· 키워드
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A novel PM (powder metallurgy) steel for automotive power-train gear components was developed to reduce manufacturing cost, while meeting application requirements. The high-density PM steel was manufactured by mixing using special Cr-Mo atomized iron powders, high-pressure compaction, and sintering. Tensile strength, charpy impact,bending fatigue, and contact fatigue tests for the PM steel were carried out and compared to conventional forged steel.
Pinion gears for auto-transmission were also manufactured by helical pressing, sintering, and surface densification process.
In order to evaluate the durability of the PM parts, auto-transmission durability tests were performed using dynamometer tests. Results showed that the PM steel fulfilled the requirements for pinion gears indicating suitable tensile,bending fatigue, contact fatigue strengths and improved gear tooth profile. The PM gears also showed good performance during the transmission durability tests. As a result, the PM gears showed significant potential to replace the conventional forged steel gears manufactured by tooth machining (hobbing, shaving, and grinding) processes.
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참고문헌 (5)
참고문헌 신청
E. Ilia / 2005 / Benchmarking Industry - Powder forging makes a better connecting rod
Leander F. Pease / 2002 / Fundamental of Powder Metallurgy / MPIF
S. Bengtsson / 2001 / Surface Densified PM Transmissions Gears / 2001 International Conference on Power Transmission Components: Advances in High Performance Powder Metallurgy Appl
T. Takemasu / 2010 / Analysis and Durability Test of Surface Rolled 1P1S 1.5Cr-0.2Mo Very High Density Gear / World PM Congress
U. Engstrom / 2000 / New high performance PM applications by warm compaction of Densimix powders, EURO PM2000, Munich
Leander F. Pease / 2002 / Fundamental of Powder Metallurgy / MPIF
S. Bengtsson / 2001 / Surface Densified PM Transmissions Gears / 2001 International Conference on Power Transmission Components: Advances in High Performance Powder Metallurgy Appl
T. Takemasu / 2010 / Analysis and Durability Test of Surface Rolled 1P1S 1.5Cr-0.2Mo Very High Density Gear / World PM Congress
U. Engstrom / 2000 / New high performance PM applications by warm compaction of Densimix powders, EURO PM2000, Munich
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