采用DSC方法研究了增强相对铝合金成核过程的影响.对基体合金与复合材料凝固临界温度的测量结果表明,增强相会抑制α-Al相的析出;增强相之间间隙尺寸越小,α-Al相析出的过冷度越大.α-Al不能在增强相表面非均质成核.与α-Al相不同,初晶硅相析出的过冷度在增强相存在的情况下减小,表明增强相可以作为初晶硅相成核的衬底.DSC方法可以有效地用来研究复合材料的成核现象.
参考文献
| [1] | 胡汉起. 金属凝固 [M]. 北京:冶金工业出版社,1985.84-89. |
| [2] | Li Z Q, Zhang S Y, Wu B Y. Solidification and microstructure of ZA22/SiCP composite fabricated by mechanical-electromagnetic combination stirring process [J]. Mater Sci Technol, 2001, 17: 465-471. |
| [3] | Chen Z Y, Chen Y Y, Shu Q, et al. Solidification and interfacial structure of in situ Al-4.5Cu/TiB2 composite [J]. J Mater Sci, 2000, 35(22): 5605-5608. |
| [4] | Li Q F, McCartney D G, Walker A M. Development of solidification microstructure in a fiber reinforced alloy [J]. J Mater Sci, 1991, 26: 3565-3574. |
| [5] | Mortensen A, Flemings M C. Solidification of binary hypoeutectic alloy matrix composite castings [J]. Metall Trans, 1996, 27A(3): 595-602. |
| [6] | Wang W, Ajersch F, Lofvander J P A. Si phase nucleation on SiC particulate reinforcement in hypereutectic Al-Si alloy matrix [J]. Mater Sci Eng, 1994, A187(1): 65-70. |
| [7] | Kim J K, Rohatgi P K. Nucleation on ceramic particles in cast metal-matrix composites [J]. Metall Trans, 2000, 31A(4): 1295-1304. |
| [8] | Zhang K, Chen G N. Effect of SiC particles on crystal growth of Al-Si alloy during laser rapid solidification [J]. Mater Sci Eng, 2000, 292(2): 229-231. |
| [9] | Chu S J, Wu R J. The structure and bending properties of squeeze-cast composites of A356 aluminium alloy reinforced with alumina particles [J]. Compo Sci Technol, 1999, 59(1): 157-162. |
| [10] | Nagarajan S, Dutta B, Surappa M K. Effect of SiC particles on the size and morphology of eutectic silicon in cast A356/SiCP composites [J]. Compo Sci Technol, 1999, 59(6): 897-902. |
| [11] | Cao G H, Liu Z G, Liu J M, et al. Interface investigation of alumina and aluminosilicate short-fiber-reinforced aluminum-alloy composite [J]. Compo Sci Technol, 2001, 61(4): 545-550. |
| [12] | Das S. The influence of matrix microstructure and particle reinforcement on the two body abrasive wear of an Al-Si alloy [J]. J Mater Sci Lett, 1997, 16(21): 1757-1760. |
| [13] | Vidal-setif M H, Lancin M, Marhic C, et al. On the role of brittle interface phase on the mechanical properties of carbon fibre reinforced Al-based matrix composites [J]. Mater Sci Eng, 1999, A272(2): 321-333. |
| [14] | 刘振海. 热分析导论 [M]. 北京:化学工业出版社,1991.224-226. |
| [15] | Cantor B. Differential scanning calorimetry and the advanced solidification processing of metals and alloys [J]. Journal of Thermal Analysis, 1994, 42(4):647-665. |
| [16] | Chen S W, Lin C C, Chen C M. Determination of the melting and solidification characteristics of solders using differential scanning calorimetry [J]. Metall Trans, 1998, 29A(7): 1965-1972. |
| [17] | Yamauchi T, Nishida Y. Infiltration kinetics of fibrous preforms by aluminum with solidification [J]. Acta Metall Mater, 1995, 43(4): 1313-1318. |
| [18] | Li Q F, McCartney D G. Nucleation of and Al alloy in a fiber reinforced Al alloy metal-matrix composite (MMC) [J]. J Mater Processing Technol, 1995, 51(1-4): 235-243. |
| [19] | Lu S Z, Hellawell A. Modification of Al-Si alloys: microstructure, thermal analysis, and mechanisms [J]. J of Metal, 1995,47(2): 38-40. |
| [20] | Sundarrajan A, Mortensen A, Kattamis T Z, et al. Kinetic undercooling in solidification of a hypereutectic Al-Si alloy: Effect of solidifying within a ceramic preform composite [J]. Acta Metall Mater, 1998, 46(1): 91-99. |
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