Icosahedral phase growth in chill cast Ti68Fe28Si4 alloy

被引：3

作者：

Liu, YC ^{[1
]}

Song, GS ^{[1
]}

Yang, GC ^{[1
]}

Zhou, YH ^{[1
]}

机构：

[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China

来源：

JOURNAL OF CRYSTAL GROWTH | 1999年 / 203卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

icosahedral quasicrystal; continuous growth; alloy;

D O I：

10.1016/S0022-0248(99)00073-1

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Phase selection during growth involving the icosahedral quasicrystal and metastable crystalline beta-Ti phases was investigated by means of chill cast. The metastable beta-Ti phase was found near the chilling plate, while the icosahedral quasicrystal phase in the upper part. The X-ray, TEM, optical microscopy techniques were used to investigate the microstructure and identify the types of phases. The icosahedral quasicrystal phase grew in rounded dendritic pattern continuously. Aligned dendritic growth facilitated the massive transformation from metastable beta-Ti phase to icosahedral quasicrystal-phase. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

引用

页码：131 / 135

页数：5

共 15 条

[1] A NEW ICOSAHEDRAL QUASI-CRYSTAL IN RAPIDLY SOLIDIFIED FETI2 [J].

DONG, C ;

HEI, ZK ;

WANG, LB ;

SONG, QH ;

WU, YK ;

KUO, KH .

SCRIPTA METALLURGICA, 1986, 20 (08) :1155-1158

[2]

DUBUST B, 1986, NATURE, V324, P48

[3]

GRUSHKO B, 1997, PHYS REV LETT, V78, P4430

[4] Solidification of undercooled Fe-Cr-Ni alloys .2. Microstructural evolution [J].

Koseki, T ;

Flemings, MC .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1996, 27 (10) :3226-3240

[5]

LIU YC, IN PRESS J MAT SCI L

[6] X-RAY, ELECTRON-MICROSCOPIC STUDIES, AND ELECTRICAL-RESISTIVITY BEHAVIOR IN RAPIDLY SOLIDIFIED FETI2 [J].

MANDAL, P ;

SINGH, AK ;

SRIVASTAVA, ON .

CRYSTAL RESEARCH AND TECHNOLOGY, 1988, 23 (09) :K139-K142

[7] ARCS OF DIFFUSE-SCATTERING FROM THE NEW FE-TI-SI RAPIDLY SOLIDIFIED ALLOY [J].

MANDAL, P ;

TIWARI, RS ;

SRIVASTAVA, ON .

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1991, 63 (04) :617-624

[8] METALLIC PHASE WITH LONG-RANGE ORIENTATIONAL ORDER AND NO TRANSLATIONAL SYMMETRY [J].

SHECHTMAN, D ;

BLECH, I ;

GRATIAS, D ;

CAHN, JW .

PHYSICAL REVIEW LETTERS, 1984, 53 (20) :1951-1953

[9]

TONER J, PHYS REV LETT, P250

[10] A STABLE QUASI-CRYSTAL IN AL-CU-FE SYSTEM [J].

TSAI, AP ;

INOUE, A ;

MASUMOTO, T .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1987, 26 (09) :L1505-L1507

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