Stress modelling of welded titanium alloy (grade 5) pipes

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dc.contributor.advisor Mendonidis, P.
dc.contributor.advisor Oba, P.
dc.contributor.advisor Masu, L. M. Inyang, Etienying Edem 2016-07-07T07:15:33Z 2016-07-07T07:15:33Z 2010-12
dc.description M. Tech. (Engineering, Industrial, Dept. Industrial Engineering and Operations management, Faculty of Engineering and Technology) Vaal University of Technology| en_US
dc.description.abstract This research work focused on welded titanium alloy (grade 5) pipes, to ascertain if the weld joints can withstand the immediate and accumulated effects of fluid flow in (industrial) applications. Modeling of welded pipes was done using Pro/ENGINEER Wildfire 5.0. The cylindrical pipe models were of 206,375mm inner and 219,075mm outer diameter respectively; made of Ti6Al4V material. Three models were made: one of unwelded pipes, another with a seam weldment and the third with a circumferential weld. The welds were modeled as autogenous gas tungsten arc welding and the models included calculated heat affected zones. The pipes were modeled with a flowing fluid under pressure exerted evenly on all sides of the pipe walls (circumference). The boundary conditions were such that the pipe ends were supported as if the pipe were continuous. Stress and strain analysis on the pipe models were performed by the Finite Element Method using Pro/ENGINEER Wildfire 5.0. The results of the Finite Element Analysis (FEA) indicated that stress vary very negligibly along the pipe. A comparison of the FEA modeling results to the analytically determined value of the stress showed very low or zero percentage deviation. en_US
dc.format.extent xi, 99 leaves : illustrations en_US
dc.language.iso en en_US
dc.subject Welded titanium alloy pipes en_US
dc.subject Weld joints en_US
dc.subject Finite Element Analysis en_US
dc.subject.ddc 671.52042 en_US
dc.subject.lcsh Welding en_US
dc.subject.lcsh Welded joints en_US
dc.subject.lcsh Titanium en_US
dc.title Stress modelling of welded titanium alloy (grade 5) pipes en_US
dc.type Thesis en_US

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