1 AIT Asian Institute of Technology

A new semi-automatic GTAW method developed on the basis of experiments on the geometric reconstruction of deteriorating high pressure compressor blades

AuthorBasnayaka, Malinga Maushadha
NoteA thesis submitted in partial fulfillment of requirements for the degree of Master of Engineering in Industrial and Manufacturing Engineering
PublisherAsian Institute of Technology
AbstractThe thesis project is focus on a stage 8 commercial Gas turbine engine HPC blade tip profile build up repair or the tip sealing due to defect (rubbing incursion). The research conducts two case studies of study 1; hand operate gas Tungsten arc welding current and speed variation and study 2; welding torch and filler wire coordination and welder tactics. Whereas Hand operate GTAW DCEN phase and semi-automatic system DCEP.The arc efficiency is based on simulation data of (Pan, 2016) and real experiment data of (Stenbacka, 2013) past researches foundlings. According to blade clamp position, welding cycle time, blade setup time, operator convenience, blade cooling and argon capturing are considered for a new fixture design is pro-posed. The fluorescent penetrant and inspection process and radiographic inspection process carries to quality recommend of surface defects and sub surface defects.
Year2017
TypeThesis
SchoolSchool of Engineering and Technology (SET)
DepartmentDepartment of Industrial Systems Engineering (DISE)
Academic Program/FoSMicroelectronics (ME)
Chairperson(s)Bohez, Erik L. J.;. Manukid Parnichkun;Huynh Trung Luong ;
Examination Committee(s)Than Lin;Oetelaar, Gerton van den ;
Scholarship Donor(s)AIT Fellowship;
DegreeThesis (M.Eng.) -- Asian Institute of Technology, 2017


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