成果報告書詳細
管理番号20160000000522
タイトル*平成27年度中間年報 水素利用技術研究開発事業 燃料電池自動車及び水素ステーション用低コスト機器・システム等に関する研究開発 タイプ2複合容器蓄圧器の研究開発(1)
公開日2016/8/31
報告書年度2015 - 2015
委託先名JFEスチール株式会社 JFEコンテイナー株式会社 三菱レイヨン株式会社
プロジェクト番号P13002
部署名新エネルギー部
和文要約
英文要約Title:The development of a Type2 Composite Reinforced Pressure Vessel (FY2015-FY2017) FY2015 Annual Report

In order to spread the hydrogen energy, it is very important to decrease the construction cost of the hydrogen serving station. One of the strategies develops the low cost hydrogen storage tank. JFE Steel Corporation, JFE Container Corporation and MITSUBISHI RAYON Co., LTD. started the development of a low cost type2 hydrogen storage tank with a high strength low alloy steel liner and Carbon Fiber Reinforced Plastic (CFRP) layer.
Those studies as follows were conducted.
1. Development of the steel liner and the steel plug and evaluation of mechanical property of the steel by JFE Steel Corporation.
The effect of thickness on Cr-Mo steels were investigated. The cooling rate at the center of the thickness of 60mm were 2℃/s.
2. Development of type2 composite reinforced pressure vessel by JFE Container Corporation.
The type2 prototype composite reinforced pressure vessel of small size was manufactured and the pressure cycle test was conducted. The fatigue life was controlled by the maximum hoop stress at the inner surface. A prototype vessel was displayed on FC-EXPO 2016.
3. The supply of an appropriate carbon fiber for type2 composite reinforced pressure vessel by MITSUBISHI RAYON Co., LTD.
 The an appropriate carbon fiber for type2 composite reinforced pressure vessel was selected and supplied by MITSUBISHI RAYON Co., LTD. A type2 vessel with small size was manufactured by filament winding method and the problems on production was discussed.
4. Data acquisition and prediction of fatigue life of CFRP by MITSUBISHI RAYON Co., LTD and TOKYO METROPOLITAN UNIVERSITY.
In order to obtain data for the certification of cylinders, the geometry and fabrication method for a specimen which was used for fatigue and stress rupture behaviors were examined. In order to reduce the measuring cost for fatigue and stress rupture tests, specimen geometry was examined considering the shear strength of the adhesives between CFRP and tabs. In the case of evaluation of long term durability, failure around tabs were expected. Thus we examined the effect of tab geometry on the fatigue properties of unidirectional CFRP. As a result we selected GFRP tab with a taper which is recommended in Japan industrial Standard and American Society for Testing and Materials.
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