Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys

Transactions of Nonferrous Metals Society of China (English Edition)

Volumn 21, Issue 7, 2011, Pages 1455-1464

  Farahany, S ^a   Ourdjini, A ^a   Idris, M H ^a   Thai, L T ^a  

^a UNIVERSITI TEKNOLOGI MALAYSIA   (Malaysia)

Author keywords

Al Si alloy; bismuth; eutectic solidification; modification; strontium

Indexed keywords

AL-SI ALLOY; EUTECTIC SILICON; EUTECTIC SOLIDIFICATION; MASS FRACTION; MASS RATIO; MODIFICATION; MOLTEN ALLOY; SOLIDIFICATION CONDITION;

ALUMINUM; BISMUTH; BISMUTH ALLOYS; CERIUM ALLOYS; EUTECTICS; SILICON; SOLIDIFICATION; STRONTIUM; STRONTIUM ALLOYS;

SILICON ALLOYS;

EID: 80053249020     PISSN: 10036326     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1003-6326(11)60881-9     Document Type: Article

References (20)

1. SZ LU, A HELLAWELL The mechanism of silicon modification in aluminum-silicon alloys: Impurity induced twinning [J] Metall Trans A 18 1987 1721 1733 (Pubitemid 17652038)
2. AK DAHLE, K NOGITA, SD McDONALD, C DINNIS, L LU Eutectic modification and microstructure development in Al-Si alloys [J] Mater Sci Eng A 413-414 2005 243 248 (Pubitemid 43008643)
3. K NOGITA, H YASUDA, M YOSHIYA, SD McDONALD, K UESUGI, A TAKEUCHI, Y SUZUKI The role of trace element segregation in the eutectic modification of hypoeutectic Al-Si alloys [J] J Alloys Compd 489 2010 415 420
4. L LU, AK DAHLE Effects of combined additions of Sr and AlTiB grain refiners in hypoeutectic Al-Si foundry alloys [J] Mater Sci Eng A 435-436 2006 288 296 (Pubitemid 44426488)
5. L LU, K NOGITA, SD McDONALD, AK DAHLE Eutectic solidification and its role in casting porosity formation [J] JOM 56 11 2004 52 58 (Pubitemid 40509843)
6. XH ZHANG, GC SU, CW JU, WC WANG, WL YAN Effect of modification treatment on the microstructure and mechanical properties of Al-0.35Mg-7.0Si cast alloy [J] Mater Des 31 9 2010 4408 4413
7. A KNUUTINEN, K NOGITA, SD McDONALD, AK DAHLE Modification of Al-Si alloys with Ba, Ca, Y and Yb [J] Light Met 1 2001 229 240
8. NP PILLAI, TR ANANTHARAMAN Elements of V group as modifiers of aluminium-silicon alloys [J] Trans Metall Soc AIME 24 2 1968 2025 2027
9. CJ MACHOVEC, GE BYCZYNSKI, JW ZINDEL, LA GODLEWSKI Effect of Bi-Sr interactions on Si morphology in a 319-type aluminum alloy [J] AFS Trans 108 2000 439 444
10. JI CHO, CR LOPER Limitation of bismuth residual in A356.2 Al [J] AFS Trans 108 2000 359 367
11. EL-HADAD, AM SAMUEL, FH SAMUEL, HW DOTY, S VALTIERRA Effects of Bi and Ca additions on the microstructure of Sr-modified 319 type alloys under variable cooling conditions [J] AFS Trans 112 2004 141 153
12. MOHAMED, FH SAMUEL, AM SAMUEL, HM DOTY Effects of individual and combined additions of Pb, Bi, and Sn on the microstructure and mechanical properties of Al-10.8Si-2.25Cu- 0.3Mg alloy [J] Metall Mater Trans A 40 2009 240 254
13. J ZANDER, R SANDSTRÖM Modelling technological properties of commercial wrought aluminium alloys [J] Mater Des 30 2009 3752 3759
14. AV KURDYUMOV, SV INKIN Influence of bismuth and antimony on the structure and surface tension of alloy AL2 [J] Liteinoe Proizvodstvo 6 1986 28 29
15. A PAPWORTH, P FOX The disruption of oxide defects within aluminium alloy castings by the addition of bismuth [J] Mater Lett 15 1998 202 206 (Pubitemid 128414241)
16. EN PAN, YC CHERNG, CA LIN, HS CHIOU Roles of Sr and Sb on silicon modification of A356 aluminium alloys [J] AFS Trans 102 1994 609 629
17. SG SHABESTARI, F SHAHRI Influence of modification, solidification conditions and heat treatment on the microstructure and mechanical properties of A356 aluminum alloy [J] Mater Sci 39 2004 2023 2032
18. JE GRUZLESKI, BM CLOSSET The treatment of liquid aluminium-silicon alloys [M] 1990 Americans Foundrymen's Society Inc Des Plains IL 95 IL157
19. L BACKUERUD, G CHAI, J TAMMINEN Solidification characteristics of aluminum alloys [M] Vol. 2 1990 Foundry Alloys, AFS/Skanaluminium Stockholm
20. M DJURDJEVIC, H JIANG, J SOKOLOWSKI On-line prediction of aluminum-silicon eutectic modification level using thermal analysis [J] Materi Charact 46 2001 31 38 (Pubitemid 32432898)