Cutting performance and indentation behaviour of diamond films on Co-cemented tungsten carbide

R. Polini; P. D'Antonio; S. Lo Casto; V. F. Ruisi; E. Traversa

doi:10.1016/S0257-8972(99)00471-5

Cutting performance and indentation behaviour of diamond films on Co-cemented tungsten carbide

R. Polini^*, P. D'Antonio, S. Lo Casto, V. F. Ruisi, E. Traversa

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

Diamond films were grown by Hot Filament Chemical Vapour Deposition (HFCVD) on differently pretreated ISO-grade K10 cemented carbide (WC-5.8wt.%Co) cutting inserts. Etching with diluted HNO₃ and surface roughening by Murakami's reagent were used as substrate pretreatments. The adhesion of the films was evaluated by indentation tests. In order to obtain a reliable estimation of the adhesion by the slope of the crack radius-indentation load curves, a careful SEM measurement of the crack lengths was performed. Bare and diamond-coated cutting inserts were used for turning tests of Al₂O₃-reinforced aluminum alloy. The adhesion levels obtained from the indentation curves correlated well the lifetime of diamond-coated cutting inserts used in turning tests performed on metal matrix composite material under severe cutting conditions.

Original language	English (US)
Pages (from-to)	78-83
Number of pages	6
Journal	Surface and Coatings Technology
Volume	123
Issue number	1
DOIs	https://doi.org/10.1016/S0257-8972(99)00471-5
State	Published - Jan 10 2000
Externally published	Yes

Keywords

Cutting performance
Diamond films
Indentation behaviour

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/S0257-8972(99)00471-5

Cite this

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title = "Cutting performance and indentation behaviour of diamond films on Co-cemented tungsten carbide",

abstract = "Diamond films were grown by Hot Filament Chemical Vapour Deposition (HFCVD) on differently pretreated ISO-grade K10 cemented carbide (WC-5.8wt.%Co) cutting inserts. Etching with diluted HNO3 and surface roughening by Murakami's reagent were used as substrate pretreatments. The adhesion of the films was evaluated by indentation tests. In order to obtain a reliable estimation of the adhesion by the slope of the crack radius-indentation load curves, a careful SEM measurement of the crack lengths was performed. Bare and diamond-coated cutting inserts were used for turning tests of Al2O3-reinforced aluminum alloy. The adhesion levels obtained from the indentation curves correlated well the lifetime of diamond-coated cutting inserts used in turning tests performed on metal matrix composite material under severe cutting conditions.",

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AU - Polini, R.

AU - D'Antonio, P.

AU - Lo Casto, S.

AU - Ruisi, V. F.

AU - Traversa, E.

PY - 2000/1/10

Y1 - 2000/1/10

N2 - Diamond films were grown by Hot Filament Chemical Vapour Deposition (HFCVD) on differently pretreated ISO-grade K10 cemented carbide (WC-5.8wt.%Co) cutting inserts. Etching with diluted HNO3 and surface roughening by Murakami's reagent were used as substrate pretreatments. The adhesion of the films was evaluated by indentation tests. In order to obtain a reliable estimation of the adhesion by the slope of the crack radius-indentation load curves, a careful SEM measurement of the crack lengths was performed. Bare and diamond-coated cutting inserts were used for turning tests of Al2O3-reinforced aluminum alloy. The adhesion levels obtained from the indentation curves correlated well the lifetime of diamond-coated cutting inserts used in turning tests performed on metal matrix composite material under severe cutting conditions.

AB - Diamond films were grown by Hot Filament Chemical Vapour Deposition (HFCVD) on differently pretreated ISO-grade K10 cemented carbide (WC-5.8wt.%Co) cutting inserts. Etching with diluted HNO3 and surface roughening by Murakami's reagent were used as substrate pretreatments. The adhesion of the films was evaluated by indentation tests. In order to obtain a reliable estimation of the adhesion by the slope of the crack radius-indentation load curves, a careful SEM measurement of the crack lengths was performed. Bare and diamond-coated cutting inserts were used for turning tests of Al2O3-reinforced aluminum alloy. The adhesion levels obtained from the indentation curves correlated well the lifetime of diamond-coated cutting inserts used in turning tests performed on metal matrix composite material under severe cutting conditions.

KW - Cutting performance

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KW - Indentation behaviour

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Cutting performance and indentation behaviour of diamond films on Co-cemented tungsten carbide

Abstract

Keywords

ASJC Scopus subject areas

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