6-3 Materials for Deep Submergence Research Vehicle(Session 6 : What We Can Do for The Future Structures,SIMAP'88 Proceedings of International Symposium on Strategy of Innovation in Materials Processing-New Challenge for the 21st Century-)

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概要

• 論文の詳細を見る

• Following the 2,000m deep submergence research vehicle "SHINKAI 2000", the 6,500m deep submergence research vehicle is under construction in Japan. For the research vehicle of this class, light weight and compact size are of utmost importance. To make the vehicle's weight light as possible, for a pressure sphere, which is the single component of the maximum weight of the vehicle, ultrahigh strength steel, NS90, was adopted for "SHINKAI 2000", and titanium alloy (Ti-6Al-4VELI) for 6,500m deep submergence research vehicle. To use titanium alloy for the pressure sphere of 6,000m-class deep submergence research vehicle, the investigation in several fields were carried out, those were the researches of base metal and welded joint on mechanical the mechanical properties, on fracture toughness, on fatigue strength, on stress corrosion cracking characteristics, on the production procedure of heavy thickness and large scale plate and forging and on the fabrication procedure of the pressure sphere by the fabrication of a full scale model. The collapse behaviour was checked by collapse tests and by analysis using scale models fabricated according with the procedure equivalent to the actual pressure sphere to confirm the adoptability of design procedure. The paper presents outline of those investigation for 6,000m-class deep submergence research vehicle, and the investigation on material characteristics necessary for a deeper (10,000m-class) submergence research vehicle.

• 大阪大学の論文

著者

• MORIHANA Hideyuki

  Kobe Shipyard & Engine Works, Mitsubishi Heavy Industries, Ltd.

• Yokota Kimio

  Kobe Shipyard And Machinery Works Mitsubishi Heavy Industries Ltd.

• Morihana Hideyuki

  Kobe Shipyard And Machinery Works Mitsubishi Heavy Industries Ltd.

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• 6-3 Materials for Deep Submergence Research Vehicle(Session 6 : What We Can Do for The Future Structures,SIMAP'88 Proceedings of International Symposium on Strategy of Innovation in Materials Processing-New Challenge for the 21st Century-)

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