Effects of Al-5Ti-1B on the structure and hardness of a super high strength aluminum alloy produced by strain-induced melt activation process

Materials and Design

Volumn 32, Issue 8-9, 2011, Pages 4485-4492

  Alipour, M ^a   Emamy, M ^a  

^a UNIVERSITY OF TEHRAN   (Iran)

Author keywords

C. Casting; C. Heat treatments; F. Microstructure

Indexed keywords

ACTIVATION PROCESS; C. CASTING; C. HEAT TREATMENTS; DEFORMATION RATIO; F. MICROSTRUCTURE; GLOBULAR MICROSTRUCTURES; GRAIN REFINER; HARDNESS ENHANCEMENT; HARDNESS TEST; MICRO-STRUCTURAL; OPTIMUM TEMPERATURE; SEM; STRUCTURAL CHARACTERISTICS; SUPER-HIGH STRENGTH ALUMINUM ALLOYS; T6 HEAT TREATMENT; TREATMENT TIME;

ALUMINUM; ALUMINUM ALLOYS; COPPER ALLOYS; HARDNESS; HARDNESS TESTING; HIGH STRENGTH ALLOYS; MICROSTRUCTURE; REFINING; SCANNING ELECTRON MICROSCOPY;

HEAT TREATMENT;

EID: 79957853132     PISSN: 02641275     EISSN: 18734197     Source Type: Journal    
DOI: 10.1016/j.matdes.2011.03.044     Document Type: Article

References (30)

1. Fan X., Jiang D., Meng Q., Zhong L. The microstructural evolution of an Al-Zn-Mg-Cu during homogenization. Mater Lett 2006, 60:1475-1479.
2. Tao W., Zhi-min Y., Kai S., Jie L., Ji-wu H. Single-aging characteristics of 7055 aluminum alloy. Trans Nonferrous Met Soc China 2007, 17:548-552.
3. Buha J., Lumley R.N., Crosky A.G. Secondary ageing in an aluminum alloy 7050. Mater Sci Eng A 2008, 492:1-10.
4. Dixit M., Mishra R.S., Sankaran K.K. Structure-property correlations in Al 7050 and Al 7055 high-strength aluminum alloys. Mater Sci Eng A 2008, 478:163-172.
5. Dong J., Cui J.Z., Yu F.X., Zhao Z.H., Zhuo Y.B. A new way to cast high-alloyed Al-Zn- Mg-Cu-Zr for super-high strength and toughness. J Mater Process Technol 2006, 171:399-404.
6. Ii Y., Li P., Zhao G., Liu X., Cui J. The constituents in Al-10Zn-2.5Mg-2.5Cu aluminum alloy. Mater Sci Eng A 2005, 397:204-208.
7. Wang F., Xiong B., Zhang Y., Zhu B., Liu H., Wang Z. Microstructure and mechanical properties of spray-deposited Al-10.8Zn-2.8Mg-1.9Cu alloy after two-step aging treatment at 110 and 150 °C. Mater Charact 2007, 58:82-86.
8. Zhang B., Cui J., Lu G. Effects of low-frequency electromagnetic field on microstructures and macrosegregation of continuous casting 7075 aluminum alloy. Mater Sci Eng A 2003, 355:325-330.
9. Srivatsan T.S., Sriram S. Microstructure, tensile deformation and fracture behavior of a aluminum alloy 7055. J Mater Sci 1997, 32:2883-2894.
10. Dong J., Cui J.Z., Yu F.X., Ban C., Zhao Z.H. Effect of low-frequency magnetic casting on the castability, microstructure, and tensile properties of direct-chill cast Al-Zn-Mg-Cu alloy. Metall Mater Trans A 2004, 35:2487-2494.
11. Kapranos P. Semi-solid metal processing: an environmentally friendly process. Mater World 1994, (September):465-467.
12. Hirt G., Cremer R., Winkelmann A., Witulski T., Zillgen M. Semi solid forming of aluminum alloys by direct forging and lateral extrusion. J Mater Process Technol 1994, 45:359-364.
13. Turkeli A, Akbas N. Formation of non-dendritic structure in 7075 wrought aluminum alloy by SIMA process and effect of heat treatment. In: Proceedings of the fourth international conference on semi-solid processing of alloys and composites. Sheffield, UK; 1996. p. 71-4.
14. Sang-Yong L., Jung-Hwan L., Young-Seon L. Characterization of Al 7075 alloys after cold working and heating in the semi-solid temperature range. J Mater Process Technol 2001, 111:42-47.
15. Song Y.B., Park K., Hong C.P. Recrystallization behavior of 7175 Al Alloy during modified strain-induced melt-activated (SIMA) process. Mater Trans 2006, 47:1250-1256.
16. Alipour M., Emamy M., Azarbarmas M., Karamouz M. AIP Conf Proc 2010, 1252:1060-1072.
17. Annual book of ASTM standards. American society for testing of metals, vol. 0.3.0.1; 1994.
18. Seyed Ebrahimi S.H., Emamy M. Effects of Al-5Ti-1B and Al-5Zr master alloys on the structure, hardness and tensile properties of a highly alloyed aluminum alloy. Int Mater Rev Mater Des 2010, 31:200-209.
19. Murty B.S., Kori S.A., Chakraborty M. Grain refinement of aluminium and its alloys by heterogeneous nucleation and alloying. Int Mater Rev 2002, 47:3-29.
20. Quested T.E., Greer A.L. The effect of the size distribution of inoculant particles on as-cast grain size in aluminum alloys. Acta Mater 2004, 52:3859-3868.
21. Rokhlin L.L., Dobatkina T.V., Bochvar N.R., Lysova E.V. Investigation of phase equilibria in alloys of the Al-Zn-Mg-Cu-Zr-Sc system. J Alloys Compd 2004, 367:10-16.
22. Jones G.P., Pearson J. Factors affecting grain refinement of aluminum using Ti and B additives. J Metall Trans B 1976, 7B:223-234.
23. 2CuMg) phases present in as-cast and annealed 7055 aluminum alloy. Mater Sci Eng A 2005, 391:367-376.
24. Wang J.G., Lu P., Wang H.Y., Liu J.F., Jiang Q.C. Semisolid microstructure evolution of the predeformed AZ91D alloy during heat treatment. J Alloys Compd 2005, 395:108-112.
25. Zoqui E.J. Morphological analysis of SSM Al-4.5wt.% Cu measured by the rheocast quality index. J Mater Process Technol 2003, 143/144:195-201.
26. Saklakoglu N., Saklakoglu I.E., Tanoglu M., Oztas O., Cubukcuoglu O. Mechanical properties and microstructural evaluation of AA5013 aluminum alloy treated in the semi-solid state by SIMA process. J Mater Process Technol 2004, 148:103-107.
27. Choi J.C., Park H.J. Microstructural characteristics of aluminum 2024 by cold working in the SIMA process. J Mater Process Technol 1998, 82:107-116.
28. Tzimas E., Zavaliangos A. Evolution of near-equiaxed microstructure in the semisolid state. Mater Sci Eng A 2000, 289:228-240.
29. Lapkowski W. Some studies regarding thixoforming of metal alloys. J Mater Process Technol 1998, 80/81:463-468.
30. 7Mg alloy. J Mater Process Technol 2003, 137:195-200.