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Proceedings Paper

Laser microstructure modification of aluminum alloys and steels
Author(s): Boguslaw Major; Ryszard Ciach; Reinhold Ebner; F. Jeglitsch; B. Kriszt; K. Rabitsch
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Paper Abstract

Structure changes in laser modified surface layers of aluminum alloys -- Al-Zn,Al-Fe,Al-Fe- Ni -- and steels -- DIN X45CrSi93,C50 -- as well as high speed steel (HSS) AISI M2 (DIN 6- 5-2) were studied after laser remelting and laser alloying by means of carbide (VC) and borides (CrB, VB2). The significant structure refinement and formation of characteristic precipitates for rapidly quenched microstructures were stated in aluminum based alloys. Fine microstructure with martensite was observed in constructional steels. Laser alloying of HSS resulted in microstructure variation and appearance of new types of precipitates enriched with W, Cr, and V, respectively. The microstructural features were discussed in relation to the stated increase of hardness in all the cases of laser modification and to the results of wear tests.

Paper Details

Date Published: 1 March 1995
PDF: 12 pages
Proc. SPIE 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing, (1 March 1995); doi: 10.1117/12.203261
Show Author Affiliations
Boguslaw Major, Institute for Metal Research (Poland)
Ryszard Ciach, Institute for Metal Research (Poland)
Reinhold Ebner, Montanuniversitat Leoben (Austria)
F. Jeglitsch, Montanuniversitat Leoben (Austria)
B. Kriszt, Montanuniversitat Leoben (Austria)
K. Rabitsch, Montanuniversitat Leoben (Austria)


Published in SPIE Proceedings Vol. 2202:
Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing

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