EFFECTS OF PRESSURE ON THE KINETICS OF MANGANESE EVAPORATION FROM THE OT4 ALLOY

被引：31

作者：

Blacha, L. ^{[1
]}

Burdzik, R. ^{[2
]}

Smalcerz, A. ^{[3
]}

Matula, T. ^{[1
]}

机构：

[1] Silesian Tech Univ, Fac Mat Engeneering & Met, Dept Met, PL-40019 Katowice, Poland

[2] Silesian Tech Univ, Fac Transport, Dept Automot Vehicle Construct, PL-40019 Katowice, Poland

[3] Silesian Tech Univ, Fac Mat Engeneering & Met, Dept Management & Comp Sci, PL-40019 Katowice, Poland

来源：

ARCHIVES OF METALLURGY AND MATERIALS | 2013年 / 58卷 / 01期

关键词：

vacuum induction melting; Ti-Al-Mn alloy; evaporation; mass transfer coefficient; TITANIUM-ALLOY; ALUMINUM; RESISTANCE; CORROSION;

D O I：

10.2478/v10172-012-0173-6

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

In the paper, results of the study on manganese evaporation from the OT4 alloy are presented. In the experiments, the effects of pressure on the manganese evaporation kinetics and the stages that limit the evaporation rate were investigated. It was demonstrated that the rate of manganese evaporation from the alloy increased with pressure reduction in the system. When the pressure decreases from 1000 Pa to 10 Pa, the value of overall mass transfer k(Mn) increases from 3.9.10(-6) ms(-1) to 208.4.10(-6) ms(-1). At the same time, the manganese fraction in the alloy decreased from 1.49% mass to 0.045% mass. Within the whole pressure range, the analysed evaporation process is diffusion-controlled. For pressures above 50 Pa, the determining stage is transfer in the gaseous phase, while for pressures below 50 Pa, it is transfer in the liquid phase.

引用

页码：197 / 201

页数：5

共 20 条

[1]

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[2]

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[3]

Blacha L, 2003, ARCH METALL, V48, P105

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