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Strain Rate Effect on Fracture Mechanical Properties of Ferritic-Pearlitic Ductile Iron.
Linnaeus University, Faculty of Technology, Department of Building Technology.
Linnaeus University, Faculty of Technology, Department of Building Technology.
2018 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This study investigates the effect of strain rate on fracture properties of Ferritic-Pearlitic Ductile Iron.

A series of dynamic three point bending tests, with various load application rates, are conducted on Charpy V-notch specimens, in room temperature and approximately -18 °C.

The tests are performed in a custom-made fixture and during the tests, force and displacement data are recorded. A XFEM (Extended Finite Element Method) model of the test setup has been established and material data from the tests are used as input to the model.

The test results show a strong dependency of the strain rate regarding the force needed for crack initiation. Moreover, it can be concluded that low temperature makes the material very brittle, even at low load application rates.

Place, publisher, year, edition, pages
2018. , p. 45
Keywords [en]
Ductile Iron, Dynamic Three Point Bending Test, Strain Rate, Fracture Energy.
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:lnu:diva-78858OAI: oai:DiVA.org:lnu-78858DiVA, id: diva2:1263727
Subject / course
Byggteknik
Educational program
Structural Engineering, Master Programme, 60 credits
Presentation
2018-05-28, Room Karlavagnen, M-house, Linnaeus University, Växjö, 15:05 (English)
Supervisors
Examiners
Available from: 2018-11-16 Created: 2018-11-16 Last updated: 2018-11-20Bibliographically approved

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Almaari, FirasAljbban, Essam
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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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Language
  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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