Effect of rapid solidification on the microstructure and mechanical properties of hot-pressed Al-20Si-5Fe alloys

Materials Characterization

Volumn 60, Issue 11, 2009, Pages 1370-1381

  Rajabi, M ^a   Vahidi, M ^a   Simchi, A ^a   Davami, P ^a  

^a SHARIF UNIVERSITY OF TECHNOLOGY   (Iran)

Author keywords

Al 20Si 5Fe; Cooling rate; Mechanical strength; Microstructure; Rapid solidification

Indexed keywords

AL-20SI-5FE; ARGON ATMOSPHERES; ATOMIZED POWDERS; CONSOLIDATION STAGES; COOLING RATE; COOLING RATES; ELEVATED TEMPERATURE; EUTECTIC SPACINGS; GAS ATOMIZATION; HIGH PURITY; IRON INTERMETALLICS; MATRIX; MECHANICAL STRENGTH; MELT SPINNING PROCESS; MELT-SPUN RIBBONS; MICRO-STRUCTURAL; MICROSTRUCTURAL FEATURES; MICROSTRUCTURE AND MECHANICAL PROPERTIES; NANOMETRICS; PRIMARY SILICON; SCANNING ELECTRONS; SI PRECIPITATES; SI-PARTICLE; THERMAL STABILITY;

ALUMINUM; ARGON; CERIUM ALLOYS; CHROMIUM; COMPRESSIVE STRENGTH; COOLING; CRYSTALLIZATION; EUTECTICS; FREEZING; HARDNESS; HOT PRESSING; INTERMETALLICS; IRON ALLOYS; LIGHT TRANSMISSION; MECHANICAL PROPERTIES; MELT SPINNING; METAL REFINING; MICROSTRUCTURAL EVOLUTION; OPTICAL MICROSCOPY; PETROLEUM REFINING; POWDER METALS; RAPID SOLIDIFICATION; SCANNING ELECTRON MICROSCOPY; SILICON; SILICON ALLOYS; SMELTING; THERMODYNAMIC STABILITY; TRANSITION METALS; TRANSMISSION ELECTRON MICROSCOPY;

MICROCRYSTALLINE SILICON;

EID: 70349467854     PISSN: 10445803     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.matchar.2009.06.014     Document Type: Article

References (22)

1. Lavernia E.J., Ayers J.D., and Srivatsan T. Rapid solidification processing with specific application to aluminum alloys. Int Mater Rev 37 (1992) 1-44
2. Birol Y. Microstructural evolution during annealing of a rapidly solidified Al-12Si alloy. J Alloys Compd 439 (2007) 81-86
3. Srivastava A.K., Srivastava V.C., Gloter A., and Ojha S.N. Microstructural features induced by spray processing and hot extrusion of an Al-18% Si-5% Fe-1.5% Cu alloy. Acta Mater 54 (2006) 1741-1748
4. Kalay Y.E., Chumbley L.S., Anderson I.E., and Napolitano R.E. Characterization of hypereutectic Al-Si powders solidified under far-from equilibrium conditions. Metall Mater Trans A 38 (2007) 1452-1457
5. Trivedi R., Jin F., and Anderson I.E. Dynamical evolution of microstructure in finely atomized droplets of Al-Si alloys. Acta Mater 51 (2003) 289-300
6. Xu C.L., Wang H.Y., Qiu F., Yang Y.F., and Jiang Q.C. Cooling rate and microstructure of rapidly solidified Al-20 wt.% Si alloy. Mater Sci Eng A 417 (2006) 275-280
7. Katgerman L., and Dom F. Rapidly solidified aluminium alloys by melt spinning. Mater Sci Eng A 375-377 (2004) 1212-1216
8. Ünlü N., Genç A., Öveçoǧlu M.L., Lavernia E.J., and Froes F.H. Microstructural evolution during annealing of the melt-spun ternary hypoeutectic Al-7.6Si-3.3Fe (in wt.%) alloy. J Alloys Compd 343 (2002) 223-233
9. Ünlü N., Genç A., Öveçoǧlu M.L., Eruslu N., and Froes F.H. Characterization investigations of melt-spun ternary Al-xSi-3.3Fe (x = 10, 20 wt.%) alloys. J Alloys Compd 322 (2001) 249-256
10. Kim T.S., Suryanarayana C., and Chun B.S. Effect of alloying elements and degassing pressure on the structure and mechanical properties of rapidly solidified Al-20Si-5Fe-2X (X = Cr, Zr, or Ni) alloys. Mater Sci Eng A 278 (2000) 113-120
11. Tawfik N.L. Mechanical properties of rapidly solidified ribbons of some Al-Si based alloys. J Mater Sci 32 (1997) 2997-3000
12. Hong S.J., Kim T.S., Kim W.T., and Chun B.S. The effects of Cr and Zr addition on the microstructure and mechanical properties of rapidly solidified Al-20Si-5Fe alloys. Mater Sci Eng A 226-228 (1997) 878-882
13. Yang B., Wang F., Zhang J.S., Xiong B.Q., and Duan X.J. The effect of Mn on the microstructure of spray-deposited Al-20Si-5Fe-3Cu-1Mg alloy. Scripta Mater 45 (2001) 509-515
14. Srivastava V.C., Ghosal P., and Ojha S.N. Microstructure and phase formation in spray-deposited Al-18%Si-5%Fe-1.5%Cu alloy. Mater Lett 56 (2002) 797-801
15. Rajabi M., Simchi A., Vahidi M., and Davami P. Effect of particle size on the microstructure of rapidly solidified Al-20Si-5Fe-2X (X = Cu, Ni, Cr) powder. J Alloys Compd 466 (2008) 111-118
16. Rajabi M., Simchi A., and Davami P. Microstructure and mechanical properties of Al-20Si-5Fe-2X (X = Cu, Ni, Cr) alloys produced by melt-spinning. Mater Sci Eng A 492 (2008) 443-449
17. Lee E., and Ahn S. Solidification progress and heat transfer analysis of gas-atomized alloy droplets during spray forming. Acta Metall Mater 42 (1994) 3231-3243
18. Wang X.J., Chen X.D., Xia T.D., Yu W.Y., and Wang X.L. Influencing factors and estimation of the cooling rate within an amorphous ribbon. Intermetallics 12 (2004) 1233-1237
19. Uzun O., Karaaslan T., and Keskin M. Hardness evaluation of Al-12Si-0.5Sb melt-spun ribbons. J Alloys Compd 358 (2003) 104-111
20. Snyder R.L., Fiala J., and Bunge H.J. Defect and microstructure analysis by diffraction (1999), Oxford University Press Inc, NY
21. Öveçoǧlu M.L., Ünlü N., Eruslu N., and Genç A. Characterization investigations of a melt-spun ternary Al-8Si-5.1Cu (in wt.%) alloy. Mater Lett 57 (2003) 3296-3301
22. Choi Y.S., Lee J.S., Kim W.T., and Ra H.Y. Solidification behavior of Al-Si-Fe alloys and phase transformation of metastable intermetallic compound by heat treatment. J Mater Sci 34 (1999) 2163-2168