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| 有一篇论文的参考文献是这样的A. Inoue, T. Zhang, N. Nishiyama, K. Ohba, T.Masumoto, Mater Trans. JIM 34 (in press) no.12. 我找不到这篇文章，望有线索的虫前辈们给予指点，新虫在此不胜感激。新虫初来咋到，金币少的可怜，此次几乎倾囊了，望大家不要嫌少。 |
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http://www.jim.or.jp/journal/e/34/12/1234.html Preparation of 16 mm Diameter Rod of Amorphous Zr65Al7.5Ni10Cu17.5 Alloy A. Inoue, T. Zhang, N. Nishiyama†, K. Ohba†† and T. Masumoto Institute for Materials Research, Tohoku University, Sendai 980, Japan Bulky amorphous alloys in a cylindrical shape with diameters up to 16 mm were found to form by water quenching a Zr65Al7.5Ni10Cu17.5 melt in a quartz tube. The amorphous phase of this alloy has the widest temperature interval of supercooled liquid region before crystallization. The glass transition temperature, crystallization temperature and Vickers hardness for the bulky amorphous alloy with a diameter of 16 mm are 625 K, 750 K and 465, respectively, being nearly the same as those for the corresponding melt-spun ribbon with a thickness of 30 µm. The extremely large glassforming ability is presumably due to a combination of significantly different atomic size ratios among the constituent elements and the necessity of redistribution of Al for the progress of crystallization. The finding of the extremely large glass-forming ability has a very important implication because it demonstrates the possibility of bulk amorphous alloy production by conventional casting processes. (Received August 20, 1993) Keywords: glass-forming ability, zirconium base alloy, bulky amorphous alloy, water quenching, low critical cooling rate † On leave from Teikoku Piston Ring Co., Ltd., Okaya 394, Japan. †† Graduate Student, Tohoku University. |
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