Microstructural and hardness investigation of an aluminum-copper alloy processed by laser surface melting

Materials Characterization

Volumn 50, Issue 2-3, 2003, Pages 249-253

  Pinto, Maria Aparecida ^a   Cheung, Noé ^a   Ierardi, Maria Clara Filippini ^a   Garcia, Amauri ^a  

^a UNIVERSITY OF CAMPINAS   (Brazil)

Author keywords

Al Cu alloy; Hardness; Laser surface melting; Microstructure

Indexed keywords

COOLING; HARDNESS; HEATING; LASER APPLICATIONS; MELTING; MICROSTRUCTURE;

LASER SURFACE MELTING;

ALUMINUM ALLOYS;

EID: 0141895013     PISSN: 10445803     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1044-5803(03)00091-3     Document Type: Conference Paper

References (21)

1. Damborenea J. Surface modification of metals by high power lasers. Surf. Coat. Technol. 100-101:1998;377-382.
2. Ion J.C., Shercliff H.R., Ashby M.F. Diagrams for laser materials processing. Acta Metall. Mater. 40(7):1992;1539-1551.
3. Monson P.J.E., Steen W.M. Comparison of laser hardfacing with conventional processes. Surf. Eng. 6(3):1990;185-193.
4. Kurz W., Fisher D.J. Fundamentals of solidification. 1992;Trans. Tech. Publications, Switzerland.
5. DeMol van Otterloo J.L., Bagnoli D., de Hosson J.TH.M. Enhanced mechanical properties of laser treated Al-Cu alloys: a microstructural analysis. Acta Metall. 43(7):1995;2649-2656.
6. Hoadley A.F.A., Rappaz M. A thermal model of laser cladding by powder injection. Metall. Trans. B. 23:1992;631-642.
7. Riabkina-Fishman M., Zahavi J. Laser alloying and cladding for improving surface properties. Appl. Surf. Sci. 106:1996;263-267.
8. Watkins K.G., McMahon M.A., Steen W.M. Microstructure and corrosion properties of laser processed aluminum alloys: a review. Mater. Sci. Eng. A. 231:1997;55-61.
9. Munitz A. Microstructure of rapidly solidified laser-molten Al-4,5 wt pct Cu surfaces. Metall. Trans. B. 16:1985;149-161.
10. Zimmermann M., Carrard M., Kurz W. Rapid solidification of Al-Cu eutectic alloy by laser remelting. Acta Metall. 37(12):1989;3305-3313.
11. Cheung N., Ierardi M.C., Garcia A., Vilar R. The use of artificial intelligence for the optimization of a laser transformation hardening process. Lasers Eng. 10:2000;275-291.
12. Osório W.R., Garcia A. Microstructure and mechanical properties of Zn-Al alloys as a function of solidification conditions. Mater. Sci. Eng. A. 325:2002;104-112.
13. Quaresma J.M., Santos C.A., Garcia A. Correlation between unsteady-state solidification conditions, dendrite spacings, and mechanical properties of Al-Cu alloys. Metall. Mater. Trans. A. 31:2000;3167-3178.
14. Siqueira C., Cheung N., Garcia A. Solidification thermal parameters affecting the columnar to equiaxed transition. Metall. Mater. Trans. A. 33:2002;2107-2118.
15. Callister W.D. Jr. Materials science and engineering - an introduction. 3rd ed. 1994;Wiley, New York.
16. Mohanty P.S., Mazumder J. Solidification behavior and microstructural evolution during laser beam-metal interaction. Metall. Mater. Trans. B. 29:1998;1269-1279.
17. Duley W.W. Laser processing and analysis of materials. 1983;Plenum, New York.
18. Kreutz E.W., Pirch N. Melt dynamics in surface processing with laser radiation-calculations and applications. Vannes A.B. Laser de puissance et traitments dês materiaux. 1991;536-555 Presses Polytechniques et Universitaires Romandes, Switzerland.
19. Picasso M., Hoadley A.F.A. Finite element simulation of laser surface treatments including convection in the melt pool. Int. J. Numer. Methods Heat Fluid Flow. 4:1994;61-83.
20. Rappaz M. Les donnes generales de la simulation dan lê traitement laser. Vannes A.B. Laser de puissance et traitments des materiaux. 1991;375-401 Presses Polytechniques et Universitaires Romandes, Switzerland.
21. 2Cu eutectic: the coupled zone. Acta Metall. Mater. 40(11):1992;2895-2906.