| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2016: ¥13,780,000 (Direct Cost: ¥10,600,000、Indirect Cost: ¥3,180,000)
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| Outline of Final Research Achievements |
Development of dissimilar materials laser joining method between resin and metal and study on evaluation method for its interfacial strength were carried out. An apparatus for twin beam laser joining was designed and fabricated. It was able to excite vibration with non-contact at the joining area by pulse laser irradiation, and twin beam laser joining could increase failure load of the dissimilar materials joint. Testing method for interfacial strength that a wedge shape indenter applies into a groove machined was studied. According to evaluation results of interfacial strength with a proposal method, change in mechanical property of resin possibly affect interfacial strength and twin beam laser irradiation mainly contribute to increase joining area.
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