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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.56  No.11 (2015)  >  pp.1759-1763

MATERIALS TRANSACTIONS
<<Previous article Vol.56  No.11 (2015)   pp.1759 - 1763 Next article>>

Tribocorrosion Behavior of Nanocrystalline Metals — a Review

Zhongwei Wang1), Yu Yan1), Lijie Qiao1)
1) Corrosion and Protection Center, Key Laboratory for Environmental Fracture (MOE), University of Science and Technology Beijing

Nanocrystalline metal materials with ultra fine grains have many special mechanical, physical and chemical properties. Tribocorrosion is a material degradation or transformation process due to the combined action of wear and corrosion. Nanocrystalline materials could be obtained by artificial preparation or tribological/tribocorrosion process. In this paper, studies about the wear, corrosion and tribocorrosion behavior of nanocrystalline metal materials are reviewed. Nanocrystallization could enhance the wear resistance of materials by increasing the hardness and decrease the corrosion rate by forming continuous and compact passive layer. And the nanocrystallization could also enhance the tribocorrosion resistance of materials mainly by increasing surface hardness and forming protective and lubricating surface layers.


Keyword:
nanocrystalline, tribocorrosion, wear, corrosion

Received: July 08, 2015
Accepted: August 27, 2015 , Published online: October 25, 2015

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