Influence of silicon and addition elements on the mechanical behavior of ferritic ductile cast iron

被引：60

作者：

Alhussein, A. ^{[1
,2
]}

Risbet, M. ^{[1
]}

Bastien, A. ^{[3
]}

Chobaut, J. P. ^{[3
]}

Balloy, D. ^{[4
]}

Favergeon, J. ^{[1
]}

机构：

[1] Univ Technol Compiegne, Ctr Rech Royallieu, Lab Roberval, F-60205 Compiegne, France

[2] Univ Technol Troyes, Inst Charles Delaunay, Lab Syst Mecan & Ingn Simultanee, UMR 6281,CNRS, F-52800 Nogent, France

[3] IJL, CRITT METALL 2T, F-54011 Nancy, France

[4] LML, Ecole Cent Lille, F-59650 Villeneuve Dascq, France

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2014年 / 605卷

关键词：

Spheroidal graphite cast iron; Mechanical properties; Microstructure; Silicon; Segregations and rupture surfaces; MICROSTRUCTURE; TOUGHNESS;

D O I：

10.1016/j.msea.2014.03.057

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An experimental study of mechanical properties and microstructural analysis was carried out on different compositions of ferritic spheroidal graphite cast iron. The influence of silicon on the ductility and strength of the material was noticed. The observation of microstructure and failure modes allowed us to explain the important role of chemical composition on the initiation and propagation of cracks. The high silicon segregation between the graphite nodules and the joints of eutectic cells decreases the mechanical material resistance. A metallurgical development was indispensable and necessary to ensure characteristics conformed to the industrial requirements. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved.

引用

页码：222 / 228

页数：7

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