Fractal dimension used for evaluation of oxidation behaviour of Fe-Al-Cr-Zr-C alloys

被引：19

作者：

Hotar, Vlastimil ^{[1
]}

Hotar, Adam ^{[2
]}

机构：

[1] Tech Univ Liberec, Dept Glass Producing Machines & Robot, Studentska 2, Liberec 46117, Czech Republic

[2] Tech Univ Liberec, Dept Mat Sci, Studentska 2, Liberec 46117, Czech Republic

来源：

CORROSION SCIENCE | 2018年 / 133卷

关键词：

Intermetallics (based on Fe3Al); Fractal geometry; Oxidation; CORROSION-RESISTANCE; GEOMETRY; SURFACE; GLASS;

D O I：

10.1016/j.corsci.2018.01.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The article describes the possibility of using a methodology for the quantification of oxidised surfaces. The methodology is based on determining the parameters on a dividing line between alloy and air which has been generated from images of a cross-section sample. The parameters are obtained from the methodology using fractal geometry, surface roughness characterisation and statistic tools. The methodology is presented on oxidised iron aluminides (Fe-29.7Al-3.8Cr-0.3Zr-0.2C and Fe-26.4Al-2.8Cr-0.2Zr-0.6C) at high temperatures (900-1200 degrees C). The results show that methodology can be used for easy quantification of alloy oxidation attacks and for easy comparison of alloy oxidation resistance.

引用

页码：141 / 149

页数：9

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