| Budget Amount *help |
¥594,230,000 (Direct Cost: ¥457,100,000、Indirect Cost: ¥137,130,000)
Fiscal Year 2017: ¥75,530,000 (Direct Cost: ¥58,100,000、Indirect Cost: ¥17,430,000)
Fiscal Year 2016: ¥74,880,000 (Direct Cost: ¥57,600,000、Indirect Cost: ¥17,280,000)
Fiscal Year 2015: ¥72,150,000 (Direct Cost: ¥55,500,000、Indirect Cost: ¥16,650,000)
Fiscal Year 2014: ¥136,630,000 (Direct Cost: ¥105,100,000、Indirect Cost: ¥31,530,000)
Fiscal Year 2013: ¥235,040,000 (Direct Cost: ¥180,800,000、Indirect Cost: ¥54,240,000)
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| Outline of Final Research Achievements |
We successfully develop a nanoscale experimental methodology for fracture test under the singular stress field of single digit nanometer with in situ electron-microscope observation. The experiments on cracking in a silicon single crystal clarify that the singular stress field of 4 nm still govern the fracture toughness. First-principle simulation confirms the result and, moreover, elucidates that the concept of conventional fracture mechanics breaks down at the singularity size of 2 nm (lower applicable limit).
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