Laser microstructure modification of aluminum alloys and steels

Boguslaw Major; Ryszard Ciach; Reinhold Ebner; F. Jeglitsch; B. Kriszt; K. Rabitsch

doi:10.1117/12.203261

1 March 1995 Laser microstructure modification of aluminum alloys and steels

Boguslaw Major, Ryszard Ciach, Reinhold Ebner, F. Jeglitsch, B. Kriszt, K. Rabitsch

Proceedings Volume 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing; (1995) https://doi.org/10.1117/12.203261
Event: Laser Technology: Fourth Symposium, 1993, Szczecin, Poland

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.

Citation Download Citation

Boguslaw Major, Ryszard Ciach, Reinhold Ebner, F. Jeglitsch, B. Kriszt, and K. Rabitsch "Laser microstructure modification of aluminum alloys and steels", Proc. SPIE 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing, (1 March 1995); https://doi.org/10.1117/12.203261

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