INFLUENCE OF TOOL FLANK WEAR WIDTH ON ROUGHNESS, TOPOGRAPHY, MICROHARDNESS AND ELECTROCHEMICAL CORROSION RESISTANCE IN HIGH SPEED MILLING

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HASSANPOUR HAMED; RASTI AMIR; SADEGHI MOHAMMAD HOSSEIN; HASHEMI KHOSROWSHAHI JAVAD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:3 Page(s): 223-231

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Title

INFLUENCE OF TOOL FLANK WEAR WIDTH ON ROUGHNESS, TOPOGRAPHY, MICROHARDNESS AND ELECTROCHEMICAL CORROSION RESISTANCE IN HIGH SPEED MILLING

Author(s)

HASSANPOUR HAMED | RASTI AMIR | SADEGHI MOHAMMAD HOSSEIN | HASHEMI KHOSROWSHAHI JAVAD | Issue Writer Certificate

Keywords

HIGH SPEED MILLINGQ2

SURFACE ROUGHNESSQ1

MICROHARDNESSQ1

ELECTROCHEMICAL CORROSION RESISTANCEQ1

Abstract

Owing to direct contact with the machined surface, the flank surface can cause unfavorable effects on the surface integrity in HIGH SPEED MILLING. Thus, in this study, the influences of flank wear width on the main characteristics of surface integrity like roughness, topography, MICROHARDNESS and ELECTROCHEMICAL CORROSION RESISTANCE during HIGH SPEED MILLING process is investigated. Milling tests were performed under constant cutting conditions with three repetitions and using 12 tools with flank wear widths on the AISI 4340 hardened steel. It was concluded that using the tool with flank wear width up to 0.4 mm increases roughness and MICROHARDNESS, uniformly (95% for SURFACE ROUGHNESS and 6.3% for MICROHARDNESS relative to new tool). However, using a tool with the flank wear of 0.6 mm increases these outputs up to 484% and 18.6%, respectively. Surface topography images also revealed that using the tool with the flank wear width of 0.6 mm can cause irregular forms of material flow on the surface. Using the tool with the flank wear of 0.4 mm or less had an insufficient effect on the in-depth MICROHARDNESS distribution. In addition, electrochemical impedance spectroscopy of the milled surfaces showed that relative to new tool, using tools with 0.4 and 0.6 mm flank wear, reduces Rcorr up to 22% and 83%, respectively. It indicated lower ELECTROCHEMICAL CORROSION RESISTANCE of milled surfaces with 0.6 mm worn-out tools.

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References

EFFECT OF CUTTING FLUID APPLICATION ON SURFACE ROUGHNESS IN HARD MILLING OF 4340-ALLOYED STEEL

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APA: Copy

HASSANPOUR, HAMED, RASTI, AMIR, SADEGHI, MOHAMMAD HOSSEIN, & HASHEMI KHOSROWSHAHI, JAVAD. (2016). INFLUENCE OF TOOL FLANK WEAR WIDTH ON ROUGHNESS, TOPOGRAPHY, MICROHARDNESS AND ELECTROCHEMICAL CORROSION RESISTANCE IN HIGH SPEED MILLING. MODARES MECHANICAL ENGINEERING, 16(3), 223-231. SID. https://sid.ir/paper/178497/en

Vancouver: Copy

HASSANPOUR HAMED, RASTI AMIR, SADEGHI MOHAMMAD HOSSEIN, HASHEMI KHOSROWSHAHI JAVAD. INFLUENCE OF TOOL FLANK WEAR WIDTH ON ROUGHNESS, TOPOGRAPHY, MICROHARDNESS AND ELECTROCHEMICAL CORROSION RESISTANCE IN HIGH SPEED MILLING. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(3):223-231. Available from: https://sid.ir/paper/178497/en

IEEE: Copy

HAMED HASSANPOUR, AMIR RASTI, MOHAMMAD HOSSEIN SADEGHI, and JAVAD HASHEMI KHOSROWSHAHI, “INFLUENCE OF TOOL FLANK WEAR WIDTH ON ROUGHNESS, TOPOGRAPHY, MICROHARDNESS AND ELECTROCHEMICAL CORROSION RESISTANCE IN HIGH SPEED MILLING,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 3, pp. 223–231, 2016, [Online]. Available: https://sid.ir/paper/178497/en

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