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2023-0127-07
Nanotechnology / Materials
posted:2023/01/27
3Dナノ界面を有する異種材料接合技術
HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
異種接合材の純モード 層間破壊靱性評価試験法の開発
HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
◆ DCB試験の応用 ◆ 異種材接合に伴う混合モードの影響を除去◆ 熱残留応力の影響をキャンセル◆ 正確なモードⅠ層間破壊靱性の評価
2020-1124-02
Nanotechnology / Materials
posted:2020/12/17
Development of Test Method for Evaluating Pure Mode Interlaminar Fracture Toughness of Dissimilar Materials
HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
● Application of Double Cantilever Beam (DCB) test● Cancel the effects of mixing modes when joining dissimilar materials and thermal residual stress● Accurate mode I interlaminar fracture toughness evaluation
2020-0131-07
Nanotechnology / Materials
posted:2020/02/06
Dissimilar Materials Bonding with 3D Nano Interface
HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
● Fabrication of nano structure on aluminum surfaces● Improvement of bonding strength by silane-coupling treatment● Direct bonding of CFRTP and Al by hotpress● Evaluation of shear strength and fracture toughness
3Dナノ構造界面を有する異種材直接接合
HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
◆ 熱可塑性炭素繊維強化複合材料(CFRTP)の自動車車体への適用及び、生産性,リサイクル性,燃費の向上◆ マルチマテリアル化によるCFRTPとアルミニウム合金(Al)の接合技術開発◆ Al表面上のナノスパイク構造(NSS)の作製◆ CFRTPとAlのホットプレスによる直接接合◆ シランカップリング処理による接着強...
2017-0223-07
Manufacturing Technology
posted:2017/02/23
Healing of Fatigue Crack in the Metallic Materials by Heat Treatment
HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:藤田 耕平 , KAWADA, Hiroyuki Professor
● Implementation of fatigue crack healing of 90%● Implementation of static tensile strength of 75%● Fatigue crack healing due to elimination of oxide film by vacuum heating, plasticity-induced crack closure and atomic diffusion.
2017-0223-06
Manufacturing Technology
posted:2017/02/23
Direct Bonding of Dissimilar Materials Having 3D Nanostructured Interfaces
HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:阿部 暉 , KAWADA, Hiroyuki Professor
● Fabrication of nanospike structure (NSS) on aluminum surfaces● Direct joining of CFRTP and Al by hotpress● Improvement of adhesive strength by silane-coupling treatment
2016-0204-01
Nanotechnology / Materials
posted:2016/02/04
Fabrication of carbon nanotube yarn with high functionality
金 太成 (理工学術院 機械科学・航空学科)
collaborative researchers:酒井 貴広 , HOSOI, Atsushi Professor , KAWADA, Hiroyuki Professor
● CNT yarn was drawn from vertically aligned CNT array● CNT composite yarn was developed by electrolytic plating● Controlling of plating by changing plating condition● Superior electrical conductivity (2.14×107 S/m)