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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.6
- 수록면
- 124 - 132 (9page)
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이 논문의 연구 히스토리 (13)
2021
2018
2011
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The effect of the stoichiometry on the sliding wear properties of NiAl coatings has been investigated. Three different powder mixtures with the compositions of Ni-50at%Al, Ni-54at%Al and Ni-42at%Al were diepressed respectively, and which were subsequently coated on mild steel through combustion synthesis in an induction heating system. Sliding wear behavior of the coatings was examined against an alloyed tool steel using a pin-on-disc type sliding wear test machine. As results, it could be seen that powder mixture(Ni-54at%Al) with displaying Al-rich deviations from the stoichiometry of NiAl(Ni-50at%Al) was promoted the most the synthetic reactivity. The microstructure of the coating layer with the compositions of Ni-54at%Al exhibits the porous NiAl single phase structure. However, the microstructure of the coating layer of the compositions of Ni-42at%Al exhibits the denser multi-phase structure containing several intermediate phases in addition to NiAl. Densification of the coating layer was enhanced by increasing the reacting temperature. On the other hand, the wear properties of the coating layers showed that the wear mode at speeds of around 1 ㎧ was severe wear, regardless of the stoichiometry and reacting temperature. However, wear properties of coating layer with the compositions of Ni-42at%Al were superior to those of coating layer with the compositions of Ni-54at%Al. This would be attributed by the fact that coating layer with the compositions of Ni-42at%Al develops little void and much intermediate phases with high strength.
목차
Abstract
1. 서론
2. 실험방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (18)
참고문헌 신청
Materials Sci. Soc. of JPN / 1995 / Intermetallic compounds for materials / Shokabo :88
Morsi, K. / 2001 / Reaction synthesis processing of Ni-Al intermetallic materials / Mater. Sci. Eng (A299):1~15
Aoki, K. / 1979 / Improvement in room temperature ductility of the LI2 type intermetallic compound Ni3Al by boron addition / J. Japan Inst. Metals 43:1190~1196
Liu, C. T. / 1986 / Nickel aluminides for structural use : Metals, Reaction synthesis processing of Ni-Al intermetallic materials / J. of Metals 38:19
이한영 / 2013 / Application of Ball-Milled Powder Mixture to Intermetallics Coating Through Reaction Synthesis / Metals and Materials International 19(6):1289~1293
Morsi, K. / 2001 / Reaction synthesis processing of Ni-Al intermetallic materials / Mater. Sci. Eng (A299):1~15
Aoki, K. / 1979 / Improvement in room temperature ductility of the LI2 type intermetallic compound Ni3Al by boron addition / J. Japan Inst. Metals 43:1190~1196
Liu, C. T. / 1986 / Nickel aluminides for structural use : Metals, Reaction synthesis processing of Ni-Al intermetallic materials / J. of Metals 38:19
이한영 / 2013 / Application of Ball-Milled Powder Mixture to Intermetallics Coating Through Reaction Synthesis / Metals and Materials International 19(6):1289~1293
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