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Crystallography of Fluted Fracture in Near-α Titanium Alloys

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Abstract

The fracture topography of two-phase titanium alloys is generally complex and reflects features of the underlying microstructure, including crystallographic orientation. This article describes the correlation between crystallographic orientation and the elongated dimples, more commonly known as flutes, that are often observed on fracture surfaces of α and near-α titanium alloys and other hcp metals. The correlations are made by employing quantitative tilt fractography and electron backscatter diffraction (EBSD).

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The authors are grateful to J. Halchak (Pratt and Whitney Rocketdyne, Canoga Park, CA) for many useful discussions related to low-temperature fracture of titanium alloys.

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Author notes

  1. A.L. Pilchak (Graduate Research Associate, Visiting Scientist, Research Scientist)

    Present address: Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright Patterson Air Force Base, Dayton, OH, 45433, USA

Authors and Affiliations

  1. Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, 43210, USA

    A.L. Pilchak (Graduate Research Associate, Visiting Scientist, Research Scientist) & J.C. Williams (Professor and Honda Chair)

  2. Universal Technology Corporation, Dayton, OH, 45432, USA

    A.L. Pilchak (Graduate Research Associate, Visiting Scientist, Research Scientist)

Authors
  1. A.L. Pilchak
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  2. J.C. Williams
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Correspondence to A.L. Pilchak.

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Manuscript submitted July 23, 2009.

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Pilchak, A., Williams, J. Crystallography of Fluted Fracture in Near-α Titanium Alloys. Metall Mater Trans A 41, 22–25 (2010). https://doi.org/10.1007/s11661-009-0091-z

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