| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
Integral form of stress function was obtained for a dislocation loop in an anisotropic elastic body. According to the integral form, simulation code was made to calculate the interaction energy between dislocation loops of arbitrary shapes. As an application of the elasticity theory, first-principle calculations were performed under a flexible boundary condition. The relation between the optimized cell volume and cohesive energy could be explained in terms of the elasticity theory. In addition, many unknown hydrogen configurations were found in monovacancy in BCC metals.
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