The microstructure, hardness and tensile properties of a new super high strength aluminum alloy with Zr addition

Materials and Design

Volumn 31, Issue 9, 2010, Pages 4450-4456

  Seyed Ebrahimi, S H ^a   Emamy, M ^a   Pourkia, N ^a   Lashgari, H R ^a  

^a UNIVERSITY OF TEHRAN   (Iran)

Author keywords

[No Author keywords available]

Indexed keywords

AREA FRACTION; AVERAGE GRAIN SIZE; CU ALLOY; FRACTOGRAPHIC EXAMINATIONS; FRACTURED SURFACES; MICROSTRUCTURAL OBSERVATIONS; MODE OF FRACTURE; SUPER HIGH STRENGTH; SUPER-HIGH STRENGTH ALUMINUM ALLOYS; YIELD STRENGTH; ZR ADDITION;

ALUMINUM; ALUMINUM ALLOYS; BRITTLE FRACTURE; HIGH STRENGTH ALLOYS; MICROSTRUCTURE; REFINING; ZINC; ZIRCONIUM; ZIRCONIUM ALLOYS;

TENSILE STRENGTH;

EID: 77953543562     PISSN: 02641275     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.matdes.2010.04.006     Document Type: Article

References (18)

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. 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.
4. Kim S.K., Yoon Y.Y., Jo H.H. Novel thixoextrusion process for Al wrought alloys. J Mater Process Technol 2007, 187-188:354-357.
5. Bai P.C., Zhou T.T., Liu P.Y., Zhang Y.G., Chen C.Q. Effects of lithium addition on precipitation in Li-containing Al-Zn-Mg-Cu alloy. Mater Lett 2004, 58:3084-3087.
6. Emamy M., Daman A.R., Taghiabadi R., Mahmudi M. Effects of Zr, Ti, B on structure and tensile properties of Al-10Mg alloy (A520). Inter J Cast Metal Res 2004, 17:17-22.
7. 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. J Mater Des 2009, 31:200-209.
8. 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.
9. Mondal C., Mukhopadhyay A.K. On the nature of T(Al2Mg3Zn3) and S(Al2CuMg) phases present in as-cast and annealed 7055 aluminum alloy. Mater Sci Eng A 2005, 391:367-376.
10. Senkov O.N., Bhat R.B., Senkova S.V., Schloz J.D. Microstructure and properties of cast ingots of Al-Zn-Mg-Cu alloys modified with Sc and Zr. Metall Mater Trans A 2005, 36:2115-2126.
11. Li X.M., Starink M.J. Effect of compositional variations on characteristics of coarse intermetallic particles in overaged 7000 aluminum alloys. Mater Sci Technol 2001, 17:1324-1328.
12. Chen K., Liu H., Zhang Z., Li S., Todd R.I. The improvement of constituent dissolution and mechanical properties of 7055 aluminum alloy by stepped heat treatments. J Mater Process Technol 2003, 142:190-196.
13. Liang Z., Lin P.Q., Bin H.Y., Zhen W.C., Jie L.W. Effect of minor Sc and Zr addition on microstructures and mechanical properties of Al-Zn-Mg-Cu alloys. Trans Nonferrous Met Soc China 2007, 17:340-345.
14. Kim J.H.A., Kim J.H.O., Yeom J.T., Lee D.G., Lim S.G., Park N.K. Effect of scandium content on the hot extrusion of Al-Zn-Mg-(Sc) alloy. J Mater Process Technol 2007, 187-188:635-639.
15. Suh D.W., Lee S.Y., Lee K.H., Lim S.K., Oh K.H. Microstructural evolution of Al-Zn-Mg-Cu-(Sc) alloy during hot extrusion and heat treatments. J Mater Process Technol 2004, 155-156:1330-1336.
16. Wu L.M., Wang W.H., Yung F.H., Trong S. Effects of homogenization treatment on recrystallization behavior and dispersoid distribution in an Al-Zn-Mg-Sc-Zr alloy. J Alloys Comp 2008, 456:163-169.
17. Metals Handbook, vol. 12, ASM Int. 2nd ed.; 1998.
18. Kobayashi T. Strength and fracture of aluminum alloys. Mater Sci Eng A 2000, 280:8-16.