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Proceedings Paper

Microstructure generation in titanium alloys by laser remelting in nitrogen environment
Author(s): Boguslaw Major; Reinhold Ebner; Andrzej Klimpel; Grzegorz Kruzel
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Paper Abstract

Laser remelting of titanium alloys by overlapping laser tracks using Nd:YAG or diode laser in nitrogen environment led to the formation of the TiN dominant phase. Residual stress measurements in the TiN phase fabricated in surface layers at tehse conditions revealed the tensile stresses in the range of +500 to +800MPa for overlapping laser tracks produced by Nd:YAG laser and compression ones -33 to -550MPa in the case of the diode laser remelting in one track. Coatings of titanium-nickel produced by remelting of the formerly electro-deposited nickel layer in nitrogen environment were also examined in respect to the formed phases at rapid solidification. Mechanism of TiN formation in surface layers by laser remelting was under discussion.

Paper Details

Date Published: 6 October 2003
PDF: 6 pages
Proc. SPIE 5229, Laser Technology VII: Applications of Lasers, (6 October 2003); doi: 10.1117/12.520714
Show Author Affiliations
Boguslaw Major, Institute of Metallurgy and Materials Science (Poland)
Reinhold Ebner, Materials Ctr. Leoben (Austria)
Andrzej Klimpel, Silesian Univ. of Technology (Poland)
Grzegorz Kruzel, Kracow Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5229:
Laser Technology VII: Applications of Lasers
Wieslaw L. Wolinski; Zdzislaw Jankiewicz; Ryszard Romaniuk, Editor(s)

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