Abrasive wear of ZrB2-containing spark-deposited and combined coatings on titanium alloy. II. Nonfixed-abrasive wear of ZrB2-containing coatings.

Autor:	I. Podchernyaeva, A. Panasyuk, V. Panashenko, O. Grigor’ev, A. Dukhota, V. Zhiginas
Předmět:	BORIDES MECHANICAL wear ZIRCONIUM compounds COATING processes TITANIUM alloys ELECTRODES
Zdroj:	Powder Metallurgy & Metal Ceramics; Jul2009, Vol. 48 Issue 7/8, p435-440, 6p
Abstrakt:	The kinetics of nonfixed-abrasive wear of spark-deposited and laser-spark coatings on titanium alloy is studied. The coatings are deposited using electrode materials with different ZrB2 contents. It is revealed that the wear rate of the coatings decreases with higher ZrB2 content of the alloying electrode, after laser fusion, which increases the hardness of the outer layer, and with longer deposition of the coating, which increases its thickness It is shown that combined ZrB2-based coating can compete with spark-deposited WC + 3%Co coating. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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