| Budget Amount *help |
¥32,240,000 (Direct Cost: ¥24,800,000、Indirect Cost: ¥7,440,000)
Fiscal Year 2016: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2015: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
Fiscal Year 2014: ¥12,090,000 (Direct Cost: ¥9,300,000、Indirect Cost: ¥2,790,000)
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| Outline of Final Research Achievements |
By using tribochemial reaction simulators based on our developed first-principles and tight-binding quantum chemical molecular dynamics methods, the mechanisms of running-in and seizure on various lubricating films were elucidated and the prevention method of seizure was successfully proposed. We also clarified that tribochemical reactions strongly depend on the lubricating films. Furthermore, we successfully developed a new tribochemical reaction simulator based on ReaxFF molecular dynamics method for larger system. Clarified running-in and seizure phenomena by our simulations were good agreement with the experimental observations and then the accuracy of the simulation methodologies is verified. Furthermore, wear phenomena after the running-in and seizure were also clarified by our simulations and we successfully proposed the prevention method of wear. Finally we concluded that these outcomes are more than planned results.
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