Formation, Structure, and Crystallization Behavior of Cu-Based Bulk Glass-Forming Alloys

被引：21

作者：

Louzguine-Luzgin, D. V. ^{[1
,2
]}

Xie, G. ^{[2
]}

Zhang, Q. ^{[1
]}

Suryanarayana, C. ^{[3
]}

Inoue, A. ^{[1
,2
]}

机构：

[1] Tohoku Univ, WPI Adv Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan

[2] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan

[3] Univ Cent Florida, Dept Mech Mat & Aerosp Engn, Orlando, FL 32816 USA

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2010年 / 41A卷 / 07期

关键词：

THERMAL-STABILITY; MECHANICAL-PROPERTIES; SUPERCOOLED LIQUID; METALLIC-GLASS; ZR; ABILITY; STRENGTH; AG; DEVITRIFICATION; PLASTICITY;

D O I：

10.1007/s11661-009-0087-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We studied Cu-Zr-based alloys having exceptionally high glass-forming ability (GFA) and investigated the influence of Ag and Al addition on their structure and crystallization behavior. Most of the bulk glassy alloys (BGAs) do not contain any crystals, while some samples studied by high-resolution transmission electron microscopy (HRTEM) were found to contain well-developed medium-range order zones and nanoparticles in a bulk form. The crystallization kinetics of Cu55Zr45, Cu50Zr50, Cu55-x Zr45Ag (x) (x = 0, 10, 20), Cu45Zr45Al5Ag5, Cu44Ag15Zr36Ti5, and Cu36Zr48Al8Ag8 glassy alloys was analyzed. An influence of the cooling rate on the formation of glassy phase and thermal stability of the Cu-based glassy alloys on heating was also studied. The crystallization kinetics and phase composition of the ribbon-shape and bulk glassy samples of Cu36Zr48Al8Ag8 alloys were also analyzed. The results also indicate that the best glass-forming compositions are possibly located at slightly off-eutectic area, owing to the shift of the eutectic point due to the nonequilibrium processing conditions.

引用

页码：1664 / 1669

页数：6

共 33 条

[1] CRYSTALLIZATION CHARACTERISTICS OF CU-ZR METALLIC GLASSES FROM CU70ZR30 TO CU25ZR75 [J].

ALTOUNIAN, Z ;

TU, GH ;

STROMOLSEN, JO .

JOURNAL OF APPLIED PHYSICS, 1982, 53 (07) :4755-4760

[2] Granulation, Phase Change, and Microstructure - Kinetics of Phase Change. III [J].

Avrami, M .

JOURNAL OF CHEMICAL PHYSICS, 1941, 9 (02) :177-184

[3] A new centimeter-diameter Cu-based bulk metallic glass [J].

Dai, CL ;

Guo, H ;

Shen, Y ;

Li, Y ;

Ma, E ;

Xu, J .

SCRIPTA MATERIALIA, 2006, 54 (07) :1403-1408

[4] Effect of microalloying on the glass-forming ability of Cu60Zr30Ti10 bulk metallic glass [J].

Fan, G. J. ;

Fu, L. F. ;

Qiao, D. C. ;

Choo, H. ;

Liaw, P. K. ;

Browning, N. D. ;

Loeffler, J. F. .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 2007, 353 (44-46) :4218-4222

[5] METALLIC GLASSES [J].

GREER, AL .

SCIENCE, 1995, 267 (5206) :1947-1953

[6] Unusual room-temperature compressive plasticity in nanocrystal-toughened bulk copper-zirconium glass [J].

Inoue, A ;

Zhang, W ;

Tsurui, T ;

Yavari, AR ;

Greer, AL .

PHILOSOPHICAL MAGAZINE LETTERS, 2005, 85 (05) :221-229

[7] Formation, thermal stability and mechanical properties of Cu-Zr and Cu-Hf binary glassy alloy rods [J].

Inoue, A ;

Zhang, W .

MATERIALS TRANSACTIONS, 2004, 45 (02) :584-587

[8] Stabilization of metallic supercooled liquid and bulk amorphous alloys [J].

Inoue, A .

ACTA MATERIALIA, 2000, 48 (01) :279-306

[9] High packing density of Zr- and Pd-based bulk amorphous alloys [J].

Inoue, A ;

Negishi, T ;

Kimura, HM ;

Zhang, T ;

Yavari, AR .

MATERIALS TRANSACTIONS JIM, 1998, 39 (02) :318-321

[10] HIGH-STRENGTH BULK AMORPHOUS-ALLOYS WITH LOW CRITICAL COOLING RATES [J].

INOUE, A .

MATERIALS TRANSACTIONS JIM, 1995, 36 (07) :866-875

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