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Operational characteristics of electric-spark coatings on the base of refractory borides

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Product Description

The experimental results in fretting-corrosion conditions of developed electric-spark coatings of TiCrB2-Ni-Cr system are reflected. The comparison analysis of wear intensity of developed coatings and WC coatings are conducted. The influence of relative displacement amplitude and loading on coating wear intensity is shown. The coating wear intensity decreases with loading increasing due to influence of relative displacement amplitude decreasing and realization of oxidative wear mechanism of developed coatings. The wear mechanism of coatings is investigated. It is shown that oxidative wear mechanism provides wear resistance increase in comparison with adhesive one, which is realized on titanium alloy VT-22. The wear intensity of TiCrB2-Ni-Cr system coatings is correspond to wear intensity of WC6 alloys and it is low in 2-5 times than wear intensity of titanium alloy VT-22.

Additional Information

Authors

Пугачевская Е.П.

Year of publication

2014

7

Volume

114

Language

Russian

Types of files

pdf

Section

Ion Plasma Technologies and Equipment

Quality

excellent

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