Effect of Al electrodeposition treatment using molten salt on the high-temperature oxidation of TiAl

被引：12

作者：

Fukumoto, M ^{[1
]}

Hara, M ^{[1
]}

Nagataki, T ^{[1
]}

机构：

[1] Akita Univ, Fac Engn & Resource Sci, Dept Mat Sci & Engn, Akita 0108502, Japan

来源：

OXIDATION OF METALS | 2004年 / 61卷 / 1-2期

关键词：

electrodeposition; high-temperature oxidation; molten salt; TiAl; aluminum;

D O I：

10.1023/B:OXID.0000016273.41005.fa

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

An Al layer on a TiAl substrate was formed by electrodepositing Al and alloying it with TiAl in molten salt. Electrolysis of Al was conducted using a potentiostatic polarization method at constant potentials in an equimolar NaCl - KCl melt containing 3.5 mol% AlF3 at 1023 K. The mass of electro-deposited material increased with a decrease in polarization potential. Deposits, formed at - 1.3 - - 1.6 V [vs. Ag\Ag+(0.1)], built up a homogeneous layer. These deposits consisted of TiAl3. TiAl covered by the electrodeposit layer was more resistant to high-temperature oxidation than bare TiAl.

引用

页码：1 / 16

页数：16

共 26 条

[1] EFFECT OF W-ADDITION ON THE OXIDATION BEHAVIOR OF TIAL INTERMETALLIC COMPOUND [J].