1. Shodhbhagirathi @ IITR
  2. MECHANICAL & INDUSTRIAL ENGINEERING
  3. MASTERS' THESES (MIED)
Please use this identifier to cite or link to this item: http://localhost:8081/xmlui/handle/123456789/10180
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dc.contributor.authorKumar, Subodh-
dc.date.accessioned2014-11-23T06:53:57Z-
dc.date.available2014-11-23T06:53:57Z-
dc.date.issued1989-
dc.identifierM.Techen_US
dc.identifier.urihttp://hdl.handle.net/123456789/10180-
dc.guideKhanna, Ashok-
dc.guideIssler, Ing. L.-
dc.description.abstractBehaviour of medium manganese steel, widely used in rail-road manufacturing, has been studied under cyclic type of loading. It is found that threshold stress intensity factor is very high as compared to other steels. A pivot point is observed about which crack growth lines seem to rotate. The pivot point is given as ( AK =38 MPa/m, da/dN =4x10-4 mm/cycle). Crack growth data for small specimen were fitted by three growth laws, namely, Paris, Forman and Modified Forman. Out of these, Modified Forman, equation was most fitting, but otherwise differences were not very large. Crack growth points for component fall on one side (left side) of scatter-band of crack growth data for small specimen. Fractography reveals the extremely brittle. nature of medium manganese steel, pointing to its low fracture toughness.en_US
dc.language.isoenen_US
dc.subjectMECHANICAL INDUSTRIAL ENGINEERINGen_US
dc.subjectFATIGUE CRACK GROWTH RATEen_US
dc.subjectMEDIUM MANGANESE STEELen_US
dc.subjectCRACK GROWTH DATAen_US
dc.titleINVESTIGATIONS ON FATIGUE CRACK GROWTH RATE OF MEDIUM MANGANESE STEELen_US
dc.typeM.Tech Dessertationen_US
dc.accession.number245075en_US
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