UM
Cutting under active and inert gas shields: A contribution to the mechanics of chip flow
V.A.M. Cristino; P.A.R. Rosa; P.A.F. Martins
2010-10-01
Source PublicationInternational journal of machine tools & manufacture
ISSN0890-6955
Volume50Issue:10Pages:892-900
Abstract

This paper is focused on the interaction between cutting medium and freshly formed surfaces with the aim at providing a new level of understanding on the mechanics of chip flow in metal cutting. The methodology draws from specially designed orthogonal metal cutting experiments performed in dry conditions under active and inert gas shields for observation of chip flow and measurement of friction, chip-compression factor and forces acting on the cutting tools. The presentation is a step towards clarification of common belief among researchers and practitioners that active gases influence metal cutting by showing that oxygen acting on the freshly cut surfaces of lead may change friction, chip compression factor, chip curling and forces to a level that goes significantly beyond what has been said and written in the context of metal cutting fundamentals. The overall content of the paper is original and discloses new experimental results and explanations about the influence of the surrounding medium on tribological conditions at the toolchip contact interface and about the correlation between surrounding medium, surface roughness, freshly cut surfaces and chip curling.

KeywordChip Flow Experimentation Metal Cutting Surrounding Medium
DOIhttps://doi.org/10.1016/j.ijmachtools.2010.06.003
URLView the original
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Manufacturing ; Engineering, Mechanical
WOS IDWOS:000281880900005
PublisherELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
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被引频次[WOS]:7   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
Corresponding AuthorP.A.F. Martins
AffiliationIDMEC, Instituto Superior Te´cnico, TULisbon, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
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V.A.M. Cristino,P.A.R. Rosa,P.A.F. Martins. Cutting under active and inert gas shields: A contribution to the mechanics of chip flow[J]. International journal of machine tools & manufacture,2010,50(10):892-900.
APA V.A.M. Cristino,P.A.R. Rosa,&P.A.F. Martins.(2010).Cutting under active and inert gas shields: A contribution to the mechanics of chip flow.International journal of machine tools & manufacture,50(10),892-900.
MLA V.A.M. Cristino,et al."Cutting under active and inert gas shields: A contribution to the mechanics of chip flow".International journal of machine tools & manufacture 50.10(2010):892-900.
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