| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Research Abstract |
We aimed to elucidate the favorable conditions and mechanisms to peritectic microstructure on the basis of the in situ observations of the solidification processes in Sr(NO3)2-H2O system. Although α and β phases are stable at above and below peritectic temperature, respectively, α phase nucleated initially at any temperature and β phase formed on the preexistent α phase. However, once β phase appeared, it grew much faster than α phase and envelop the α phase. These results show that contrary features in nucleation and growth of the two phases induce the peritectic microstructure.
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