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β-SI3N4 Cutting Tools Obtaining for Machining of the Gray Cast Iron

  • Conference paper
AMST’05 Advanced Manufacturing Systems and Technology

Part of the book series: CISM International Centre for Mechanical Sciences ((CISM,volume 486))

Abstract

Recentely, Si3N4 has been used as cutting tools in several alloys machining. Such materials shows SiAlONs and β-Si3N4, that it has excellent thermomachanical properties. This work had as objetive to develop and to apply β-Si3N4 cutting tools in machining of gray cast iron, starting from a mixture composed by 78.30 wt % α-Si3N4, 1.00 wt % A12O3, 14.40 wt % A1N, 3.15 wt % CeO2 and 3.15 wt % Y2O3, that was pressed and sintered at 1900°C. After characterization, cutting tools showed, HV = 20.50 GPa, KIC = 6.45 MPa.m1/2, with 95 % β-Si3N4 phase. Then, it were submited to machining of gray cast iron using: 1a step - Vc=180, 240, 300 and 360 m/min, f = 0.12mm/rot and ap = 1.00 mm; and 2a step — Vc = 300m/min, f = 0.23, 0.33 and 0.40 mm/rot and ap = 1.00 mm. For 7500 m cutting length, results showed excellent performace.

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Author information

Authors and Affiliations

  1. Departament of Materials and Technology, Faculty of Guaratinguetá Engineering, Brazil

    J. V. C. Souza

  2. Departament of Materials Engineering, Faculty of Chemical Engineering of Lorena, Brazil

    C. A. Kelly, M. R. V. Moreira & M. V. Ribeiro

  3. Departament of Mechanical and Aerospatial Engineering, Aerospace Technical Institute, Brazil

    M. A. Lanna

  4. Analysis of Rare Materials, Aerospace Technical Center, Brazil

    O. M. M. Silva

Authors
  1. J. V. C. Souza
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  2. C. A. Kelly
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  3. M. R. V. Moreira
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  4. M. V. Ribeiro
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  5. M. A. Lanna
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  6. O. M. M. Silva
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Editor information

Editors and Affiliations

  1. University of Udine, Udine

    Elso Kuljanic

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© 2005 CISM, Udine

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Souza, J.V.C., Kelly, C.A., Moreira, M.R.V., Ribeiro, M.V., Lanna, M.A., Silva, O.M.M. (2005). β-SI3N4 Cutting Tools Obtaining for Machining of the Gray Cast Iron. In: Kuljanic, E. (eds) AMST’05 Advanced Manufacturing Systems and Technology. CISM International Centre for Mechanical Sciences, vol 486. Springer, Vienna. https://doi.org/10.1007/3-211-38053-1_55

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  • DOI: https://doi.org/10.1007/3-211-38053-1_55

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-26537-6

  • Online ISBN: 978-3-211-38053-6

  • eBook Packages: EngineeringEngineering (R0)

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