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- Recina, Viktor, 1968, et al.
(författare)
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Sample preparation and microstructural characterization of the gamma titanium aluminide Ti-48Al-2W-0.5Si
- 1997
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Ingår i: Materials Characterization. - 1044-5803. ; 38:4-5, s. 287-300
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Tidskriftsartikel (refereegranskat)abstract
- Preparing samples that faithfully reveal all microstructural features in γ-TiAl-base alloys for both optical and scanning electron microscope studies is fraught with difficulties. This study demonstrates that satisfactory results can be obtained through mechanical grinding, polishing, and proper etching. A preparation recipe is presented. Nine lots of investmentcast γ-TiAl material with the nominal composition of Ti-48Al-2W-0.5Si have been characterized through optical and scanning electron microscope examinations. The study shows that a small depletion in Al content has a large effect on the microstructure. The duplex microstructure with a lamellar Full-size image (
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