THERMODYNAMIC ASPECTS OF TIAL AND TISI2 OXIDATION - THE AL-TI-O AND SI-TI-O PHASE-DIAGRAMS

被引：256

作者：

RAHMEL, A ^{[1
]}

SPENCER, PJ ^{[1
]}

机构：

[1] RHEIN WESTFAL TH AACHEN,LEHRSTUHL THEORET HUTTENKUNDE & MET KERNBRENNSTOFFE,W-5100 AACHEN,GERMANY

来源：

OXIDATION OF METALS | 1991年 / 35卷 / 1-2期

关键词：

METAL ACTIVITY VARIATION; TI-AL SYSTEM; TI-SI SYSTEM; TI-AL-O PHASE DIAGRAM; TI-SI-O PHASE DIAGRAM;

D O I：

10.1007/BF00666500

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Thermodynamic data from the literature were used to calculate the activity variations of Ti and Al in the Ti-Al system at 700, 900, and 1100-degrees-C and of Ti and Si in the Ti-Si system at 800, 1000, and 1300-degrees-C. The activity data were then applied to estimate the stable oxide phase in equilibrium with the metal phase, assuming that the activity of the oxide phase was unity. It was found that in the Ti-Al-O system the stable oxide changed from TiO to Al2O3 in the existence region of the TiAl phase, while in the Ti-Si-O system a comparable change from Ti-oxide to SiO2 occurred in the existence region of the Ti5Si3 phase. The significance of these results to the oxidation of intermetallics in the Ti-Al and Ti-Si systems is discussed briefly.

引用

页码：53 / 68

页数：16

共 50 条

[21] Thermodynamic Modeling of the Al2O3-Ti2O3-TiO2 System and Its Applications to the Fe-Al-Ti-O Inclusion Diagram
Jung, In-Ho
Eriksson, Gunnar
Wu, Ping
Pelton, Arthur
ISIJ INTERNATIONAL, 2009, 49 (09) : 1290 - 1297
[22] Evolution and coarsening of Al2O3 dispersoids at 500 °C to 600 °C in a mechanically alloyed Al-Ti-O based material
I. C. Barlow
H. Jones
W. M. Rainforth
Metallurgical and Materials Transactions A, 2001, 32 : 2937 - 2945
[23] Phase equilibria in the Ti-Al-O system at 945°C and analysis of Ti/Al2O3 reactions
Kelkar, Girish P., 1600, (78):
[24] Improved oxidation resistance of Ti with a thermal sprayed Ti3Al(O)-Al2O3 composite coating
Li, ZW
Gao, W
Ying, DY
Zhang, DL
SCRIPTA MATERIALIA, 2003, 48 (12) : 1649 - 1653
[25] Reaction Synthesis of TiAl-Al2O3 Composites from Ti-Al-Cr2O3
Zhu, Jianfeng
Yang, Wenwen
Du, Fangni
MECHATRONICS AND INTELLIGENT MATERIALS, PTS 1 AND 2, 2011, 211-212 : 209 - 212
[26] Synthesis of Al2O3 reinforced TiAl Composites from Ti-Al-Nb2O5
Zhu, Jianfeng
Yang, Wenwen
Du, Fangni
ADVANCED MATERIALS, PTS 1-4, 2011, 239-242 : 3005 - 3008
[27] Evolution and coarsening of Al2O3 dispersoids at 500 °C to 600 °C in a mechanically alloyed Al-Ti-O based material
Barlow, IC
Jones, H
Rainforth, WM
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2001, 32 (12): : 2937 - 2945
[28] OPTIMIZATION OF THE THERMODYNAMIC PROPERTIES AND PHASE-DIAGRAMS OF THE NA2O-SIO2 AND K2O-SIO2 SYSTEMS
WU, P
ERIKSSON, G
PELTON, AD
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1993, 76 (08) : 2059 - 2064
[29] Role of Ti4+ in the luminescence process of Al2O3:Si,Ti
Page, P. S.
Dhabekar, B. S.
Bhatt, B. C.
Dhoble, A. R.
Godbole, S. V.
JOURNAL OF LUMINESCENCE, 2010, 130 (05) : 882 - 887
[30] CRITICAL-EVALUATION AND OPTIMIZATION OF THE THERMODYNAMIC PROPERTIES AND PHASE-DIAGRAMS OF THE CAO-AL2O3, AL2O3-SIO2, AND CAO-AL2O3-SIO2 SYSTEMS
ERIKSSON, G
PELTON, AD
METALLURGICAL TRANSACTIONS B-PROCESS METALLURGY, 1993, 24 (05): : 807 - 816

← 1 2 3 4 5 →