| Project/Area Number |
25820026
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Production engineering/Processing studies
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| Research Institution | Asahikawa National College of Technology |
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Principal Investigator |
Chiba Ryoichi 旭川工業高等専門学校, 機械システム工学科, 准教授 (10506083)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2014: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
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| Keywords | 塑性加工 / 圧延 / 接合 / 薄板 / アルミニウム / はく離 / せん断みずみ / レーザー加工 / 剥離 / せん断ひずみ |
|---|
| Outline of Final Research Achievements |
As a bond strength-enhancing method for roll-bonded sheet metals, new methods are proposed: (1)four sheets are simultaneously rolled to form two sets of roll-bonded sheet metals, and (2)the equal channel angular rolling (ECAR) is performed immediately after the conventional roll bonding. The proposed methods were applied to 1-mm-thick AA1100-O aluminum alloy sheets, and the effectiveness of the proposed methods for improving the bond strength were quantitatively examined through T-peel tests. It was found that the latter method may improve the bond strength for rolling reductions over a certain value, which is about 55%, owing to additional plastic (shear) strain introduced to the bonded interface by ECAR.
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