The Ductile versus Brittle Fracture Behavior Assessed by the Competition between Dislocation Emission and Cleavage at Blunt Crack Tip

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Key Engineering Materials (Volumes 274-276)

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135-140

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October 2004

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© 2004 Trans Tech Publications Ltd. All Rights Reserved

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[5] 10 15 20.

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[1] [2] [3] [4] [5] (b).

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[1] GIdisl /µb GI cleav /µb GII disl /µb GII cleav /µb (b) G /µb ρ/b.

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[2] 4 6 8 10.

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[5] [10] [15] [20] [25] [30] (a) G /µb ρ/b G Idisl /µb G Icleav /µb G II disl /µb G II cleav /µb 1.

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