An EBSD Study of Texture Variation along Pilger Reduced Titanium Alloy Tubes

Harvinder Singh Ubhi; Andrew Houghton; Janardhan Saithala

doi:10.4028/www.scientific.net/MSF.702-703.643

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HomeMaterials Science ForumMaterials Science Forum Vols. 702-703An EBSD Study of Texture Variation along Pilger...

An EBSD Study of Texture Variation along Pilger Reduced Titanium Alloy Tubes

Abstract:

This study investigates the changes in radial micro-texture via Kearn’s f-factors during single cold pilger reduction of a titanium Ti-3-2.5 alloy as a result of strain path changes from tooling modifications. EBSD results confirm that the texture intensity as well as the radial f-factors can be increased by modifications of pilgering tooling. In addition a switch between the secondary prism planes which lie normal to the pilger direction in the starting tube to primary prism planes after pilgering has been observed.

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Materials Science Forum (Volumes 702-703)

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643-646

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.702-703.643

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Online since:

December 2011

Authors:

Harvinder Singh Ubhi, Andrew Houghton, Janardhan Saithala

Keywords:

EBSD, Kearn’s F-Factors, Micro-Texture, Titanium

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References

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DOI: 10.4271/730629

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[4] Glen Stapleton, Cold Pilger Technology, Mannesmann Demag Meer. Table 1. Summary of Kearn's f-factors, pole figure intensities and grain sizes for the two tubes processed as shown in Fig 3 Texture minimised Texture maximised Sample exit entry exit entry f-factors (0001) Fx tangential 0.405 0.465 0.360 0.460 Fy radial 0.558 0.493 0.605 0.490 Fz longitudinal 0.037 0.042 0.034 0.050 Pf intensity 10.30 4.4 10.10 6.07 Mean Grain size (µm) 0.6 4.4 0.6 4 a) b) Figure 2: SEM back-scattered images a) of the starting tube and b) after reduction b) a) Figure 3. EBSD IPF Z coloured maps a) starting tube and b) after reduction. a) b) Figure 4. Set of (0001), (11-20) and (10-10) EBSD contoured pole figure from the a) the starting and b) reduced tube. Note, maximum pole figures intensities are given in Table1.

DOI: 10.7554/elife.37703.011

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