| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
Experiments and numerical simulations are achieved for three point bending fracture of materials SK85 or FC200. In dynamic elastic visco-plastic fracture of SK85, many input energy are changed to visco-plastic works. Fracture is caused by a little energy. Exact measurements for fracture energy are required to control fracture condition. Experiments for dynamic fracture of FC200 are demonstrated under the condition for various striker-tip, striker material and striker velocities. Experimental results and numerical results show that the control of dynamic crack initiation and input energy rate into specimen are important for break processing.
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