| Project/Area Number |
16K06006
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Production engineering/Processing studies
|
|---|
| Research Institution | Kanazawa University |
|---|
Principal Investigator |
Tatsuno Daichi 金沢大学, フロンティア工学系, 助教 (30714159)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
米山 猛 金沢大学, 機械工学系, 教授 (30175020)
|
|---|
| Project Period (FY) |
2016-04-01 – 2019-03-31
|
| Project Status |
Completed (Fiscal Year 2018)
|
| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
|
|---|
| Keywords | 熱可塑性CFRP / 接合 / プレス成形 / 成形加工 |
|---|
| Outline of Final Research Achievements |
We have developed an efficient joint structure, which having same strength of original material without joint, for thermoplastic CFRP. Press forming method for U-beam having the joint structure at the end of it, has been developed. We further developed the techniques; forming closed-section-beam by joining the U-beams, and joining them in longitudinal direction, using press machine. We have demonstrated potential of this technique to fabricate large-size structure by joining unit parts.
On the other hand, in case of joining with local heating, we have found that the strength decreases at the boundary of heating zone.
|
| Academic Significance and Societal Importance of the Research Achievements |
本研究により，元の材料と同等の強度をもつ継手構造が明らかとなった．熱可塑性CFRPの接合は樹脂強度に依存するため母材強度に比べて弱くなるが，積層構造を活用することでこの問題を克服した．この継手構造を活用して単位部品をつなげて長尺閉断面ビームを成形できることを示した．本研究を通して接合に求められる成形方法や金型の機能，さらに本接合法における課題も明らかになり，今後の研究の方向性が示唆された．この研究成果は熱可塑性CFRPの活用に貢献するものである．
|
