Formation of bulk glassy Ni-(Co-)Nb-Ti-Zr alloys with high corrosion resistance

被引：42

作者：

Pang, SJ ^{[1
]}

Zhang, T ^{[1
]}

Asami, K ^{[1
]}

Inoue, A ^{[1
]}

机构：

[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

MATERIALS TRANSACTIONS | 2002年 / 43卷 / 07期

关键词：

bulk glassy alloy; nickel-based alloy; supercooled liquid region; corrosion;

D O I：

10.2320/matertrans.43.1771

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

M60-xCoxNb20Ti10Zr10 (x = 0-40 at%) glassy alloys were formed by melt spinning and a large supercooled region of over 40 K for the 0-20at%Co alloys was found. The Ni60-xCoxNb20Ti10Zr10 (x = 0-20 at%) alloys have high glass-forming ability leading to the, formation of bulk glassy rods with diameters up to 1.5 mm by copper-mold casting. The bulk glassy alloys with 0-20 at%Co exhibited nearly the same anodic polarization behavior in 1N HCl solution. They were spontaneously passivated with a low passive current density of the order of 10(-2) A/m(2) and no pitting corrosion due to anodic polarization with a potential sweeping up to 2.0 V vs. Ag/AgCl occurred, indicating their high corrosion resistance in the aggressive acid.

引用

页码：1771 / 1773

页数：3

共 18 条

[1] DEBOER FR, 1989, COHESION METALS, P103
[2] Preparation of corrosion-resistant amorphous Ni-Cr-P-B bulk alloys containing molybdenum and tantalum
Habazaki, H
Sato, T
Kawashima, A
Asami, K
Hashimoto, K
[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2001, 304 : 696 - 700
[3] FABRICATION OF BULKY ZR-BASED GLASSY ALLOYS BY SUCTION CASTING INTO COPPER MOLD
INOUE, A
ZHANG, T
[J]. MATERIALS TRANSACTIONS JIM, 1995, 36 (09): : 1184 - 1187
[4] MG-CU-Y AMORPHOUS-ALLOYS WITH HIGH MECHANICAL STRENGTHS PRODUCED BY A METALLIC MOLD CASTING METHOD
INOUE, A
KATO, A
ZHANG, T
KIM, SG
MASUMOTO, T
[J]. MATERIALS TRANSACTIONS JIM, 1991, 32 (07): : 609 - 616
[5] Stabilization of metallic supercooled liquid and bulk amorphous alloys
Inoue, A
[J]. ACTA MATERIALIA, 2000, 48 (01) : 279 - 306
[6] HIGH-STRENGTH BULK AMORPHOUS-ALLOYS WITH LOW CRITICAL COOLING RATES
INOUE, A
[J]. MATERIALS TRANSACTIONS JIM, 1995, 36 (07): : 866 - 875
[7] PRODUCTION OF AMORPHOUS CYLINDER AND SHEET OF LA55AL25NI20 ALLOY BY A METALLIC MOLD CASTING METHOD
INOUE, A
ZHANG, T
MASUMOTO, T
[J]. MATERIALS TRANSACTIONS JIM, 1990, 31 (05): : 425 - 428
[8] INOUE A, 1989, BULK AMORPHOUS ALLOY
[9] JOHNSON WL, 1999, BULK AMORPHOUS ALLOY
[10] An attempt at preparation of corrosion-resistant bulk amorphous Ni-Cr-Ta-Mo-P-B alloys
Katagiri, H
Meguro, S
Yamasaki, M
Habazaki, H
Sato, T
Kawashima, A
Asami, K
Hashimoto, K
[J]. CORROSION SCIENCE, 2001, 43 (01) : 183 - 191

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