Effect of Microstructure on Exhaust Manifold Cracks Produced From SiMo Ductile Iron

被引：0
|
作者：
Havva Kazdal Zeytin [1 ]
Ceylan Kubilay [1 ]
Hseyin Aydin [1 ]
Ali Aslan Ebrinc [2 ]
Bilal Aydemir [2 ]
机构：
[1] TUBITAK MAM,Materials Institute
[2] Ford Otosan A S
来源：
Journal of Iron and Steel Research(International) | 2009年 / 16卷 / 03期
关键词：
SiMo alloy; cast iron; exhaust manifold;
D O I：
10.13228/j.boyuan.issn1006-706x.2009.03.010
中图分类号：
TG143.5 [球墨铸铁];
学科分类号：
080502 ;
摘要：
Ductile cast irons are used as high temperature materials in internal combustion engines,because they are microstructurally stable at high operating temperatures. SiMo granular graphite cast irons contain Fe2MoC and M6C carbide precipitates due to their higher concentration of both silicon and molybdenum. The microstructure of these cast irons consists of carbides dispersed within the ferrite matrix. The microstructural change and the crack formation mechanism in manifolds produced from SiMo ductile iron are studied. Chemical analysis,optical and scanning electron microscope studies have been completed and evaluated.
引用
收藏
页码：32 / 36
页数：5
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