Tribological Properties of KDP Single Crystal

Chun Peng Lu; Hang Gao; Xiao Ji Teng

doi:10.4028/www.scientific.net/AMM.490-491.134

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 490-491Tribological Properties of KDP Single Crystal

Tribological Properties of KDP Single Crystal

Abstract:

Scratch tests on (001) face, doubler face and tripler face of KDP crystals are carried out at room temperature. It shows that the friction ceoffcients of different crystal faces are affected seriously by the crystal oritations, their variation periods of (001) face, doubler face and tripler face are 90^o, 180^o and 180^o, their attitudes of relative anisotropy are 50%, 43.8% and 43.8%, and all of them are less than 0.4. The scratch mechanism of KDP crystal consists of four types: elastic and plastic deformation, ploughing, microchip, and surface damage. Differences between elastic and plastic deformation and ploughing are not obvious due to the soft-brittle nature of KDP crystal.

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Periodical:

Applied Mechanics and Materials (Volumes 490-491)

Pages:

134-137

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.490-491.134

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Online since:

January 2014

Authors:

Chun Peng Lu*, Hang Gao, Xiao Ji Teng

Keywords:

Anistropy, KDP Single Crystal, Scratch, Tribological Properties

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