Please use this identifier to cite or link to this item: https://doi.org/10.1007/BF00549176
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dc.titleTensile properties of flow-formed polypropylene pipe
dc.contributor.authorTeoh, S.H.
dc.contributor.authorLee, K.S.
dc.contributor.authorRaja, T.R.
dc.date.accessioned2014-06-17T05:18:17Z
dc.date.available2014-06-17T05:18:17Z
dc.date.issued1991-01
dc.identifier.citationTeoh, S.H., Lee, K.S., Raja, T.R. (1991-01). Tensile properties of flow-formed polypropylene pipe. Journal of Materials Science 26 (8) : 2111-2118. ScholarBank@NUS Repository. https://doi.org/10.1007/BF00549176
dc.identifier.issn00222461
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/58774
dc.description.abstractThe effects of varying the percentage reduction on the tensile properties of flow-formed polypropylene pipes were investigated. Flow-forming, which is a single-point cold rolling process, was performed by using two rollers in a single pass on a conventional lathe machine. Specimens were cut at different orientation angles to the pipe direction. The load-extension behaviour of the flow-formed material showed that the phenomena of yielding and cold drawing gradually become less prominent above 30% reduction. These phenomena were also functions of the orientation angle. From the variations of tensile properties with orientation angle, it was concluded that flow-forming can produce high anisotropy, especially above 30% reduction. Improvements in yield and tensile strength were achieved after about 35 to 45% reduction. The tensile modulus increased significantly after 50% reduction. The yield strain reaches a maximum at about 50 to 60% reduction. Elongation at break decreases with increased reduction. It was noted that 80% reduction appeared to be the maximum reduction, after which the material will exhibit extremely low ductility. © 1991 Chapman and Hall Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1007/BF00549176
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMECHANICAL & PRODUCTION ENGINEERING
dc.description.doi10.1007/BF00549176
dc.description.sourcetitleJournal of Materials Science
dc.description.volume26
dc.description.issue8
dc.description.page2111-2118
dc.description.codenJMTSA
dc.identifier.isiutA1991FH28000020
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