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A factor to predict microcrack nucleation at γ–γ grain boundaries in TiAl

✍ Scribed by B.A. Simkin; M.A. Crimp; T.R. Bieler

Book ID
114387437
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
130 KB
Volume
49
Category
Article
ISSN
1359-6462

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✍ A. Fallahi; D.E. Mason; D. Kumar; T.R. Bieler; M.A. Crimp 📂 Article 📅 2006 🏛 Elsevier Science 🌐 English ⚖ 346 KB

In a prior study of a duplex Ti-48Al-2Cr-2Nb, Simkin et al. [B.A. Simkin, M.A. Crimp, T.R. Bieler, Scripta Mater. 49 (2003) 149], 11 cracked and 11 intact boundaries between ␥ grains were analyzed to determine why some boundaries that were similarly stressed cracked, and others did not. This led to