Effect of beam interaction time on laser alloying with pulsed Nd-YAG laser
Authors: Vaziri, A.1; Shahverdi, H.R.1; Shabestari, S.G.2; Torkamany, M.J.3
Source: Materials Science and Technology, Volume 25, Number 10, October 2009 , pp. 1234-1237(4)
Publisher: Maney Publishing
Abstract:
Surface alloying of aluminium with nickel was carried out using a pulsed Nd-YAG laser. The effect of beam interaction time on laser alloying of aluminium with pulsed Nd-YAG laser has been studied. It was found that the beam interaction time of a pulsed laser has a significant effect on microstructure and properties of alloyed layers. The results indicated that with changes in the beam diameter, higher thickness of alloyed layer and higher microhardness are both obtained at a lower effective interaction time. When travel speed changes, the same conditions are obtained at a higher effective interaction time.Keywords: ALUMINIUM; LASER ALLOYING; BEAM INTERACTION TIME
Document Type: Research article
DOI: 10.1179/174328408X372065
Affiliations: 1: Department of Materials Engineering, Tarbiat Modares University, Tehran, Iran 2: Department of Materials and Metallurgical Engineering, Iran University of Science and Technology, Tehran, Iran 3: Paya Partov, Laser Research Center, PO Box 14665-576, Tehran, Iran

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