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Reduced wear damage...
Reduced wear damage of carbon brushes via transfer layer upon W/Cu composite
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Wang, Dianzheng (författare)
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Yu, Chenfan (författare)
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Ma, Jing (författare)
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Liu, Wei (författare)
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- Shen, Zhijian (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Tsinghua University, China
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(creator_code:org_t)
- 2017-08-29
- 2018
- Engelska.
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Ingår i: Materials Science and Technology. - : Informa UK Limited. - 0267-0836 .- 1743-2847. ; 34:2, s. 172-178
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- An ultrafine (similar to 100 nm) W particle-reinforced Cu matrix composite was fabricated by spark plasma sintering. The tribological properties of the fabricated W/Cu composite were tested by pin-on-disc sliding experiments and compared with those of brass alloy. The wear rate of the carbon brush when sliding against the W/Cu composite (0.102mm(3) s(-1)) was much lower than that with brass (4.83mm(3) s(-1)). Simultaneously, the W/Cu composite possessed higher conductivities and greater surface hardness than brass. The surface roughness of the W/Cu composite was found to play a critical role in improving the robustness of the tribofilm and reducing the volume loss of the carbon brush. The W/Cu composite has promising engineering applications for the long-term wear protection of self-lubricating materials.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Self-lubricant materials
- carbon brush
- W/Cu composite
- ultrafine particles
- surface roughness
- wear reduction
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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