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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 1,531 - 1,539 (9page)
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In this work, the wear performance of nano- and ordinary MoSi2plasma-sprayed coating on Ni substrate are compared. MoSi2nanopowder is prepared by ball milling followed by heat treatment processes. Atmospheric plasma spraying withargon atmosphere protection has been used to deposit the powders onto the nickel substrate. Ni substrate, MoSi2coating,and nano-MoSi2 coating were subjected to reciprocating wear test. Wear tests were done on a pin on plate machine by slidingMoSi2coating and substrates without coating against 52100 steel as the pin, at a temperature of 27 °C in dry condition. A friction coefficient of 0.18 ± 0.1 is obtained for nanostructured MoSi2coating, whereas a friction coefficient of 0.2 ± 0.1is obtained for conventional MoSi2coating under normal load of 20 N. Wear performance of nanostructured MoSi2coatingwas better as compared to the conventional MoSi2coating. The three observed dominant types of wear mechanisms wereadhesive, oxidation and abrasive. Morphologies and phases of coating, wear tracks, wear debris and counterpart steel pinswere evaluated by SEM with EDS and X-ray diffraction. The microhardness and adhesion strength of nanostructured MoSi2coating are determined by 1000 HV and 27 MPa, respectively.
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참고문헌 (25)
참고문헌 신청
A. Vasudevan / 1992 / A comparative overview of molybdenum disilicide composites / Mater. Sci. Eng. A 155(1?2):1~17
J. -H. Yan / 2015 / Preparation of agglomerated powders for air plasma spraying MoSi2 coating / Ceram. Int. 41(9, Part A):10547~10556
M. Salek / 2019 / Atmospheric plasma spraying of nanocrystalline SiC particle reinforced MoSi2 prepared by mechanically activated annealing process / J. Aust. Ceram. Soc.
R. Mitra / 2006 / Mechanical behaviour and oxidation resistance of structural silicides / Int. Mater. Rev 51(1):13~64
G. -D. Sun / 2017 / Study on the preparation of molybdenum silicides by the silicothermic reduction of MoS2 / J. Alloy. Compd 728:295~306
J. -H. Yan / 2015 / Preparation of agglomerated powders for air plasma spraying MoSi2 coating / Ceram. Int. 41(9, Part A):10547~10556
M. Salek / 2019 / Atmospheric plasma spraying of nanocrystalline SiC particle reinforced MoSi2 prepared by mechanically activated annealing process / J. Aust. Ceram. Soc.
R. Mitra / 2006 / Mechanical behaviour and oxidation resistance of structural silicides / Int. Mater. Rev 51(1):13~64
G. -D. Sun / 2017 / Study on the preparation of molybdenum silicides by the silicothermic reduction of MoS2 / J. Alloy. Compd 728:295~306
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