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2019-0312-07
Nanotechnology / Materials
posted：2019/04/22
Fabrication of carbon nanotube yarn with high strength, conductivity and lightness
KAWADA, Hiroyuki Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
● Untwisted CNT yarns were fabricated from CNT array (Fig. 1)● Impurities and defect structures were removed by graphitization treatment● CNT yarns were combined with polymer or metal to enhance load transfer capability or conductivity between CNTs
2263
Life sciences
posted：2021/06/07
特許第7279880号
特許第7279880号 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
1862
Manufacturing Technology
posted：2018/05/24
特許第6809680号
特許第6809680号 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)
