| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2019: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2018: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2017: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
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| Outline of Final Research Achievements |
We have theoretically calculated the molecular structure, binding energy, and adhesion stress of adhesion interface using density functional theory calculations. In addition we have considered some essential points of adhesion by partitioning the interaction energy into electrostatic term and so on. In particular we have studied the water layer that is located in the adhesion interface of epoxy-metal. We have demonstrated using the energy decomposition method at the atomic and molecular level that the adhesion between hydrophobic surfaces and epoxy resin is bad. We have studied glass transition temperatures of various polymers that has close relationship with adhesion using first-principles calculations and materials informatics.
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