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Metal Expansion Pen...
Metal Expansion Penetration on Concave Casting Surfaces of Grey Cast Iron Cylinder Heads
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- Dugic, Izudin, 1962- (författare)
- Linnéuniversitetet,Institutionen för teknik, TEK
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- Diozegi, A (författare)
- Jönköping University
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Svensson, Ingvar L. (författare)
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(creator_code:org_t)
- 2010
- 2010
- Engelska.
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Ingår i: International Foundry Research/Giessereiforschung. - 0046-5933. ; 62:1, s. 38-23
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Abstract
Ämnesord
Stäng
- Cylinder heads have an extremely complex shape withlarge areas of concave casting surfaces. The concavecasting surfaces are often associated with metalexpansion penetration problems or other surfacedefects, e. g. surface shrinkage. The defects cause highproduction costs due to component rejection andincreased fettling time. This report presents aninvestigation of the microstructure in grey cast ironclose to the sand-metal interface affected bymetal penetration in a complex shaped casting.The dominant penetration defect observedin the cylinder heads was expansion penetration.Even pre-solidification penetration and sandcrack defects were observed. The microstructurefound in the non penetrated areas is typicalfor solidification of grey iron cast in sand moulds.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Metallurgical process engineering
- Metallurgisk processteknik
- Maskinteknik
- Mechanical Engineering
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