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Phase Characterization of a Biocompatible Co-Cr-W Alloy Via Correlative Microscopy

Dedicated to Prof. Günter Petzow on the occasion of his 90th birthday
  • I. Weißensteiner , P. Voigt , V. Maier-Kiener and H. Clemens
Published/Copyright: July 8, 2016
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Practical Metallography
From the journal Practical Metallography Volume 53 Issue 7

Abstract

In this study, a Co-24Cr-8W–3Mo alloy (weight-%) is examined as cast and after hot isostatic pressing in a scanning electron microscope to identify the occurring phases through electron backscatter diffraction and energy dispersive X-ray spectroscopy. Tint etching and heat tinting were used to make the phases distinguishable even in the light microscope and thus be able to quantitatively evaluate the phase fractions without electron microscopy. The impact of hot isostatic pressing was examined in terms of phase fractions, the single phases' chemical composition and macroscopic hardness.

Kurzfassung

Im Rahmen dieser Arbeit wurde eine Co-24Cr-8W–3Mo Legierung (Masse-%) im Gusszustand sowie nach dem heißisostatischen Pressen im Rasterelektronenmikroskop untersucht, um mithilfe von Elektronenrückstreubeugung und energiedispersiver Röntgenspektroskopie die auftretenden Phasen zu identifizieren. Eine Deckschichtätzung sowie thermisches Ätzen wurden angewandt, um die Phasen auch im Lichtmikroskop eindeutig unterscheidbar zu machen und so die Phasenanteile quantitativ ohne elektronenmikroskopische Aufnahmen auswerten zu können. Der Einfluss des heißisostatischen Pressens wurde in Bezug auf die Phasenanteile, die chemische Zusammensetzung der einzelnen Phasen sowie auf die makroskopische Härte untersucht.

Translation: M. Lackas

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Received: 2016-04-04
Accepted: 2016-04-08
Published Online: 2016-07-08
Published in Print: 2016-07-15

© 2016, Carl Hanser Verlag, München

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Editorial
  4. Editorial
  5. Technical Contributions/Fachbeiträge
  6. Influences of the Edge Area Preparation Suitable for EBSD of Ferrous Materials of Different Degrees of Hardness
  7. The Microstructural Development of Laser-Powder-Bed-Fusion Manufactured Tungsten Carbide – Cobalt Hard Metals
  8. Microstructural Design of Bi2Te3- In2Te3 Thermoelectric Composites
  9. Prediction of Size and Position of Fracture Relevant Defects of Samples Fatigued in the VHCF Area on the Basis of Metallographic Examinations
  10. Phase Characterization of a Biocompatible Co-Cr-W Alloy Via Correlative Microscopy
  11. Moments in Life of Günter Petzow
  12. Meeting Diary/Veranstaltungskalender
  13. Meeting Diary
https://doi.org/10.3139/147.110407

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Editorial
  4. Editorial
  5. Technical Contributions/Fachbeiträge
  6. Influences of the Edge Area Preparation Suitable for EBSD of Ferrous Materials of Different Degrees of Hardness
  7. The Microstructural Development of Laser-Powder-Bed-Fusion Manufactured Tungsten Carbide – Cobalt Hard Metals
  8. Microstructural Design of Bi2Te3- In2Te3 Thermoelectric Composites
  9. Prediction of Size and Position of Fracture Relevant Defects of Samples Fatigued in the VHCF Area on the Basis of Metallographic Examinations
  10. Phase Characterization of a Biocompatible Co-Cr-W Alloy Via Correlative Microscopy
  11. Moments in Life of Günter Petzow
  12. Meeting Diary/Veranstaltungskalender
  13. Meeting Diary
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