Self-lubrication of machining tools in dry via in-situ formed tribofilms

Tatsuhiko Aizawa, Shigeo Yamamoto, Taro Sumitomo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Green manufacturing technology has become a significant innovative keyword to reduce the environmental burden and CO2 emission at the stage of manufacturing and production. In daily operations by machining, huge amount of lubricating oils and cleansing agents is wasted so that dry machining technology provides us a way to completely reduce these wastes. Among several candidates, self-lubrication via in-situ formation of lubricious oxide films is accommodated to protective coatings in order to attain low friction and wear state even at higher cutting speed range. Materials science of in-situ formed lubricious oxide tribofilms is stated with consideration of accommodation mechanism via the chlorine implantation. Mechanical characterization is made for evaluation on elasto-plastic deformation of lubricious oxides. Turning test is employed to evaluate dry machinability of various tools for wide range of cutting speed. Self-lubrication in dry machining is described both for bare WC and TiCN-coated WC tools with and without chlorine implantation. Precise microstructure analyses are made by using the laser microscope, EDS and XPS. In-situ formation of lubricous oxides proves that self-lubrication process takes place even in dry machining to reduce the flank wear and friction coefficient.

Original languageEnglish
Title of host publicationMaterials Research Society Symposium Proceedings
Pages3-14
Number of pages12
Volume890
Publication statusPublished - 2006
Externally publishedYes
Event2005 Materials Research Society Fall Meeting - Boston, MA
Duration: 2005 Nov 282005 Dec 1

Other

Other2005 Materials Research Society Fall Meeting
CityBoston, MA
Period05/11/2805/12/1

Fingerprint

Lubrication
Machining
Oxides
Chlorine
Wear of materials
Friction
Machinability
Lubricating oils
Protective coatings
Materials science
Detergents
Oxide films
Energy dispersive spectroscopy
Plastic deformation
Microscopes
X ray photoelectron spectroscopy
Microstructure
Lasers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Aizawa, T., Yamamoto, S., & Sumitomo, T. (2006). Self-lubrication of machining tools in dry via in-situ formed tribofilms. In Materials Research Society Symposium Proceedings (Vol. 890, pp. 3-14)

Self-lubrication of machining tools in dry via in-situ formed tribofilms. / Aizawa, Tatsuhiko; Yamamoto, Shigeo; Sumitomo, Taro.

Materials Research Society Symposium Proceedings. Vol. 890 2006. p. 3-14.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aizawa, T, Yamamoto, S & Sumitomo, T 2006, Self-lubrication of machining tools in dry via in-situ formed tribofilms. in Materials Research Society Symposium Proceedings. vol. 890, pp. 3-14, 2005 Materials Research Society Fall Meeting, Boston, MA, 05/11/28.
Aizawa T, Yamamoto S, Sumitomo T. Self-lubrication of machining tools in dry via in-situ formed tribofilms. In Materials Research Society Symposium Proceedings. Vol. 890. 2006. p. 3-14
Aizawa, Tatsuhiko ; Yamamoto, Shigeo ; Sumitomo, Taro. / Self-lubrication of machining tools in dry via in-situ formed tribofilms. Materials Research Society Symposium Proceedings. Vol. 890 2006. pp. 3-14
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