Fundamental Influence of C on Cohesion of Pd/TiAl Interfaces

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概要

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• First-principles calculations reveal that for Pd/TiAl interfaces the doping of C atoms at the surface centers of Pd interface layers could both increase the bond strength by a factor of 2 and decrease the interface energy by a factor of 3, suggesting that C would be a good doping candidate of increasing the lifetime of Pd/TiAl membranes. Calculations also show that although the addition of C atoms decreases the interface bond strength of Pd–Al and Pd–Ti bonds, the extra interface Ti–C and Al–C bonds are strong enough to induce the strengthening effect of the C doping.

• Physical Society of Japanの論文
• 2009-11-15

著者

• He Yue

  State Key Laboratory Of Powder Metallurgy Central South University

• Gong Hao

  State Key Lab Of Powder Metallurgy Central South University:physics Department University Of Texas A

• He Yue

  State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, China

• Liang Chao

  State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, China

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