Development of cutting tool through superplastic boronizing of duplex stainless steel /Sunita Harun
In this work, cutting tool is developed from duplex stainless steel (DSS) using superplastic boronizing technique. The feasibility of the development process is studied and the cutting performances of the cutting tool are evaluated and compared with commercially available carbide and high speed stee...
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| Format: | Thesis |
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2017
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| Online Access: | http://studentsrepo.um.edu.my/8569/4/Development_of_Cutting_Tool_Through_Superplastic_Boronizing_of_Duplex_Stainless_Steel.pdf http://studentsrepo.um.edu.my/8569/ |
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| Summary: | In this work, cutting tool is developed from duplex stainless steel (DSS) using superplastic boronizing technique. The feasibility of the development process is studied and the cutting performances of the cutting tool are evaluated and compared with commercially available carbide and high speed steel (HSS) tools. The superplastically boronized (SPB) cutting tool promised dense boronized layer of 50.5 μm with surface hardness of 3956 HV. Coefficient of friction (COF) value of 0.62 is obtained which is lower than 1.02 and 0.8 of carbide and HSS tools respectively. When tested on aluminium 6061 surface under dry condition, the SPB cutting tool also is able to produce turning finishing below 0.4 μm, beyond travel distances of 3000 m that is comparable to carbide tool but far better than HSS tool. Through superplastically boronizing of DSS, a high quality metal base cutting tool that is comparable to the conventional carbide tool is possible to be produced. |
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