Application of Extreme Value Analysis for Two- and Three-Dimensional Determinations of the Largest Inclusion in Metal Samples

被引：30

作者：

Kanbe, Yuichi ^{[1
,2
]}

Karasev, Andrey ^{[1
]}

Todoroki, Hidekazu ^{[2
]}

Jonsson, Par G. ^{[1
]}

机构：

[1] Royal Inst Technol, SE-10044 Stockholm, Sweden

[2] Nippon Yakin Kogyo Co Ltd, Tech Res Ctr, Kawasaki Ku, Kanagawa 2108558, Japan

来源：

ISIJ INTERNATIONAL | 2011年 / 51卷 / 04期

关键词：

extreme value analysis; inclusion size; cross section; electrolytic extraction; single inclusion; cluster; STEEL CLEANLINESS; ALUMINA CLUSTERS; DEOXIDATION; STATISTICS; PREDICTION; GROWTH; LADLE; SIZE;

D O I：

10.2355/isijinternational.51.593

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The maximum size of single inclusion particles and clusters in an Fe-10 mass% Ni alloy deoxidized with Al or Ti/Al were examined using extreme value analysis. The results obtained from conventional two-dimensional observations of inclusions on a polished cross section of metal sample (the CS-method) were compared to those from three-dimensional investigations of inclusions on a film filter after electrolytic extraction (the EE-method). It was found that the EE-method can successfully be used as a reference method for estimation of the probable maximum size of single inclusion particles and clusters by using an extreme value distribution (EVD). The EVD results for single inclusion particles obtained from the EE-method agreed satisfactorily well with those from a conventional CS-method. However, this required identification as well as neglect of pores on an investigated cross section of a metal sample. The predicted maximum size of single inclusion particles in a 1 mm(3) volume was confirmed by results from the EE-method.

引用

页码：593 / 602

页数：10

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