Home Metallic Materials - Kovové materiály 2015 Metallic Materials Vol. 53 (2015), no. 5, pp.327-332

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Metallic Materials Vol. 53 (2015), no. 5, pp.327-332

Title: Wear resistance and microstructures of nanocrystals reinforced laser melt deposited composite coating
Author: J. N. LI, Y. B. ZHANG, H. LUO, S. L. GONG, Y. S. HUO

Abstract: The Stellite SF12-TiC-Mo-Sn laser melt deposited (LMD) composite coating was produced on a TA1 titanium alloy. Such composite coating was researched by means of a scanning electron microscope (SEM) and a high resolution transmission electron microscope (HRTEM). It was confirmed that Ti3Sn nanocrystals appeared at an intersplat region, which was very compatible to the d-space of the Ti3Sn at an orientation of (101). The Ti3Sn particles were surrounded by the amorphous phases. Under the action of such composite coating, the micro-hardness distribution of the substrate surface is in a range of 1350–1500 HV0.2, and the wear volume loss is 1/13 of a TA1 alloy.

Keywords: titanium, sliding wear, lasers, composites
Published online: 18-Jan-2016
Year: 2015, Volume: 53, Issue: 5 Page From: 327, Page To: 332
doi:10.4149/km_2015_5_327


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