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Dry sliding wear behavior of low carbon dual phase powder metallurgy steels
AbstractDry sliding wear behavior of Fe+0.3% graphite powder metallurgy processed (PM) steels was investigated at constant sliding speed, load and distance. For this purpose, atomized iron powder was mixed with 0.3% graphite powder and sintered at 1200°C for 30min under Argon gas atmosphere. The sintered PM specimens were intercritically annealed at different temperatures (728 and 760°C) and then water-quenched. After sintering, a typical ferrite+pearlite microstructure was obtained. In the microstructure of the intercritically annealed PM specimens, a ferrite+martensite microstructure was produced. After wear tests, it was seen that the wear rate of the intercritically annealed specimens was very low in comparison to as-sintered specimen. The specimen intercritically annealed at 728°C showed the lowest wear rate, despite its lower martensite volume fraction.
Dry sliding wear behavior of low carbon dual phase powder metallurgy steels
AbstractDry sliding wear behavior of Fe+0.3% graphite powder metallurgy processed (PM) steels was investigated at constant sliding speed, load and distance. For this purpose, atomized iron powder was mixed with 0.3% graphite powder and sintered at 1200°C for 30min under Argon gas atmosphere. The sintered PM specimens were intercritically annealed at different temperatures (728 and 760°C) and then water-quenched. After sintering, a typical ferrite+pearlite microstructure was obtained. In the microstructure of the intercritically annealed PM specimens, a ferrite+martensite microstructure was produced. After wear tests, it was seen that the wear rate of the intercritically annealed specimens was very low in comparison to as-sintered specimen. The specimen intercritically annealed at 728°C showed the lowest wear rate, despite its lower martensite volume fraction.
Dry sliding wear behavior of low carbon dual phase powder metallurgy steels
Tekeli, S. (author) / Güral, A. (author) / Özyürek, D. (author)
2006-03-16
4 pages
Article (Journal)
Electronic Resource
English
Dry sliding wear behavior of low carbon dual phase powder metallurgy steels
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