采用吸铸法制备出直径3 mm的Ti40Zr25Ni8Cu9Be18块体非晶合金,并采用X射线衍射(XRD)、差示扫描量热(DSC)和透射电镜(TEM)研究了非晶合金试样的结构,同时,分别采用连续升温晶化方法和等温退火方法研究了怂该非晶合金的晶化动力学行为和晶化过程中的相转变.结果表明:该非晶合金的结构弛豫和晶化行为均具有显著的动力学特征,且具有较好的热稳定性,其过冷液相区宽度△Tx为54 K,一级晶化激活能ER1为213.04 kJ/mol;晶化过程为二级晶化反应,第1阶段晶化对应I相从非晶基体中析出,第2阶段的晶化反应则包括:I相转变为Laves相和Laves相从残余非晶基体中直接析出.
参考文献
[1] | Ma C L et al.[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2005,407:201. |
[2] | Johnson W L .[J].Science and Technology MRS Bull,1999,10:42. |
[3] | Zhang T et al.[J].Materials Transactions JIM,1998,39(02):1230. |
[4] | Inoue A et al.[J].Journal of Non-Crystalline Solids,1999,250-252:552. |
[5] | Inoue A .[J].Acta Materialia,2000,48:279. |
[6] | 沈军,高玉来,孙剑飞,陈德民,王刚,邢大伟,周彼德.Zr-Ti-Cu-Ni-Be大块非晶合金等温晶化过程相分离研究[J].稀有金属材料与工程,2004(12):1257-1260. |
[7] | Louzguine D V;Inoue A .[J].Scripta Materialia,2000,43(04):371. |
[8] | Xia MX;Ma CL;Zheng HX;Li JG .Preparation and crystallization of Ti53CU27Ni12Zr3Al7Si3B1 bulk metallic glass with wide supercooled liquid region[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):372-375. |
[9] | He G;Eckert J;Dai QL;Sui ML;Loser W;Hagiwara M;Ma E .Nanostructured Ti-based multi-component alloys with potential for biomedical applications.[J].Biomaterials,2003(28):5115-5120. |
[10] | He G et al.[J].Acta Materialia,2004,52:3035. |
[11] | 杨冠军,张涛,井上明久.Ta,Nb和Mo对Ti50Ni20Cu25Sn5非晶合金玻璃形成能力的影响[J].稀有金属材料与工程,2003(11):880-884. |
[12] | Park J M et al.[J].Scripta Materialia,2005,53:1. |
[13] | Sheng WB .Correlations between critical section thickness and glass-forming ability criteria of Ti-based bulk amorphous alloys[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2005(37/39):3081-3086. |
[14] | Kelton K F et al.[J].Applied Physics Letters,1997,70:3230. |
[15] | Wang L M et al.[J].Journal of Alloys and Compounds,2003,361:234. |
[16] | He G et al.[J].Materials Letters,2006,60(05):656. |
[17] | Inoue A et al.[J].Materials Letters,1994,19(3-4):131. |
[18] | Kim Y C et al.[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2004,375-377:127. |
[19] | 王占勇,周邦新,徐晖,倪建森.快淬双相纳米复合稀土永磁材料的晶化研究[J].稀有金属材料与工程,2005(01):1-6. |
[20] | Soda, K;Shimba, K;Yagi, S;Kato, M;Takeuchi, T;Mizutani, U;Zhang, T;Hasegawa, M;Inoue, A;Ito, T .Electronic structure of bulk metallic glass Zr55Al10Cu30Ni5[J].Journal of Electron Spectroscopy and Related Phenomena,2005(0):585-587. |
[21] | Hui X D et al.[J].Science in China(Series E),2003,46(06):581. |
[22] | Park J M et al.[J].Scripta Materialia,2005,53:1. |
[23] | Chen G L et al.[J].Intermetallics,2002,10:1221. |
[24] | Xing L Q et al.[J].Applied Physics Letters,2000,77(13):1970. |
[25] | 王志新 .大块铜基金属玻璃形核与长大的研究[D].中国科学院物理研究所,2004. |
[26] | Wang H R et al.[J].Journal of Alloys and Compounds,2003,353:200. |
[27] | He G;L(o)ser W;Eckert J .[J].Scripta Materialia,2004,50:7. |
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