Effect of annealing temperatures on microstructural evolution and corrosion behavior of Ti-Mo titanium alloy in hydrochloric acid

被引：82

作者：

Wei, Ya ^{[1
]}

Pan, Zhimin ^{[1
]}

Fu, Yu ^{[1
]}

Yu, Wei ^{[2
]}

He, Shilei ^{[3
,4
]}

Yuan, Qingying ^{[3
,4
]}

Luo, Hong ^{[1
]}

Li, Xiaogang ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Natl Mat Corros & Protect Data Ctr, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Inst Engn & Technol, Beijing 100083, Peoples R China

[3] CNPC Baoji Petr Steel Pipe Co Ltd, Baoji 721008, Shaanxi, Peoples R China

[4] Chinese Natl Engn Res Ctr Petr & Nat Gas Tubular, Baoji 721008, Shaanxi, Peoples R China

来源：

CORROSION SCIENCE | 2022年 / 197卷

关键词：

Titanium; XPS C. Acid corrosion; Passive films; STAINLESS-STEEL; SULFURIC-ACID; PASSIVE FILM; MECHANICAL-PROPERTIES; COLD DEFORMATION; TI-6AL-4V ALLOY; PURE TITANIUM; IMPEDANCE; TANTALUM; 304-STAINLESS-STEEL;

D O I：

10.1016/j.corsci.2021.110079

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, the corrosion and passive behavior of Ti-3Mo titanium alloy with various annealing temperatures from 750 degrees C to 1050 degrees C in 20 wt% hydrochloric acid solution is investigated via electrochemical measurements, static immersion test, X-ray photoelectron spectroscopy and scanning electron microscopy. The results show that the corrosion rate increases with an increase in annealing temperature, which is attributed to the accelerated dissolution of the passive film after the annealed temperature above 850 degrees C and the formation of microgalvanic cells by alpha-and beta-phase. Moreover, the passive film displays the n-type semiconductor properties independent of annealing temperature.

引用

页数：12

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