Effects of ultrasonic treatment on dissolved oxygen and nitrogen in liquid low-carbon steel

被引：2
|
作者：
Kong, Wei [1 ,2 ]
Cang, Da-qiang [1 ,2 ]
Song, Jia-hui [1 ,2 ]
机构：
[1] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 2012年 / 92卷 / 02期
基金：
中国国家自然科学基金;
关键词：
steel; cavitation; metallurgy; interfacial thermodynamics; liquid metals; ALLOY; NANOCOMPOSITES; STRENGTH; METAL; MELT;
D O I：
10.1080/09500839.2011.637974
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of ultrasonic treatment on [O] (the concentration of dissolved O) and [N] (the concentration of dissolved N) in low-carbon liquid steel have been studied. The results show that with ultrasonic treatment, [O] decreases, while [N] increases. Higher treatment temperature, higher ultrasonic power, and longer treatment time enhance these effects. The enrichment of FeO and O on the liquid steel surface produces an inverse relationship between [O] and [N]. The removal of [O] is caused by a negative pressure generated by ultrasound. Acoustic streaming generated by ultrasound contributes to more effective oxygen desorption.
引用
收藏
页码：103 / 110
页数：8
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