Study on the macrosegregation of aluminium in centrifugal-cast ZA27 alloy

被引:12
作者
Chen, G [1 ]
Tong, MD
Zhu, ZG
机构
[1] Chinese Acad Sci, Inst Solid State Phys, Lab Internal Frict & Defects Solids, Hefei 230031, Peoples R China
[2] Northeastern Univ, Dept Mat Sci & Engn, Shenyang 110006, Peoples R China
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1999年 / 265卷 / 1-2期
关键词
macrosegregation; ZA27; alloy; centrifugal casting;
D O I
10.1016/S0921-5093(98)01087-9
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The macrosegregation of aluminium in centrifugal-cast ZA27 alloy under different conditions is examined. The longer the pouring time or the lower the pouring temperature, the lower the degree of the macrosegregation in the specimen. It is proposed that the macrosegregation of aluminium is caused due to the difference between the density of zinc and aluminium. The addition of manganese into the alloy could reduce the macrosegregation efficiently. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:306 / 309
页数:4
相关论文
共 11 条
[1]   NUCLEATION CHARACTERISTICS AND MICROSTRUCTURE IN OFF-EUTECTIC AL-ZN ALLOYS [J].
BLUNI, ST ;
NOTIS, MR ;
MARDER, AR .
ACTA METALLURGICA ET MATERIALIA, 1995, 43 (05) :1775-1782
[2]  
ERICHSON RC, 1982, CAN I MET C TOR
[3]  
GERVAIS E, 1930, AFS T, V88, P183
[4]  
JOHNSTON WC, 1963, T METALL SOC AIME, V227, P890
[5]   WEAR-RESISTANCE AND MICROSTRUCTURE OF ZN-AL-SI AND ZN-AL-CU ALLOYS [J].
LEE, PP ;
SAVASKAN, T ;
LAUFER, E .
WEAR, 1987, 117 (01) :79-89
[6]  
Mondolfo F E, 1976, ALUMINIUM ALLOYS STR
[7]  
Murray J.L., 1983, Bull. Alloy Phase Diagr., V4, P55
[8]  
Mykura N., 1986, 25 ANN C MET 1986 P
[9]   STRUCTURAL VARIATION IN NEAR-EUTECTIC ZINC-ALUMINUM ALLOYS [J].
POROT, PA ;
VENTHAM, N ;
JONES, RD ;
SPITTLE, JA .
METALLOGRAPHY, 1987, 20 (02) :181-197
[10]  
WOO WK, 1984, THESIS TU NOVA SCOTI