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Featured researches published by Akira Shiibashi.


ASME 2008 Pressure Vessels and Piping Conference | 2008

A New Heat Treatment Technology for On-Site Life Extension of High Energy Pipe Weldments Degraded by Creep Damage

Fumitoshi Sakata; Masashi Ozaki; Ko Takeuchi; Nobuhiko Nishimura; Akira Shiibashi; Masahiro Kobayashi; Hideshi Tezuka

This report presents the development of technology enabling temporary countermeasures for the on-site application of life-extending induction heating to high energy pipe weldments having experienced degradation due to creep. The results of an investigation into the cross-sectional structure thus suggested that material life can be extended by the application of regenerative heat treatment. The life-extending effect of regenerative heat treatment is greatest toward the short-life vicinity of the pipes outer surface, thus providing an efficient life extension. The remaining life converted for an actual installation from the result of real scale creep burst test increased from 63,000hrs before treatment to 200,000hrs after treatment, confirming that life can be extended by approximately 130,000hrs.Copyright


Archive | 2002

High-strength heat-resistant steel, process for producing the same, and process for producing high-strength heat-restistant pipe

Masahiro Kobayashi; Akira Shiibashi


Jsme International Journal Series A-solid Mechanics and Material Engineering | 2004

Micro-Macro Combined Simulation of the Damage Progress in Low-Alloy Steel Welds Subject to Type IV Creep Failure

Fumiko Kawashima; Toshihide Igari; Takumi Tokiyoshi; Akira Shiibashi; Naoya Tada


Journal of The Society of Materials Science, Japan | 2003

A proposal on creep damage analysis of welded joint of low-alloy steel considering microscopic damage progress

Fumiko Kawashima; Takumi Tokiyoshi; Toshihide Igari; Akira Shiibashi; Naoya Tada


Archive | 2007

RESTOTRATION METHOD FOR DETERIORATED PART AND RESTORATION APPARATUS FOR DETERIORATED PART

Masashi Ozaki; Nobuhiko Nishimura; Fumitoshi Sakata; Masaru Kodama; Masahiro Kobayashi; Akira Shiibashi; Hideshi Tezuka; Ko Takeuchi


Archive | 2005

Guided Wave Pipe Inspection and Monitoring System

Takashi Kuroishi; Nobuhiko Nishimura; Hirotoshi Matsumoto; Akira Shiibashi; Fumitoshi Sakata; Kiyotaka Aoki


Archive | 2009

Regenerative Heat Treatment Technology for On-site Life Extension of High-energy Pipe Welds Degraded by Creep Damage

Fumitoshi Sakata; Masashi Ozaki; Nobuhiko Nishimura; Akira Shiibashi; Masahiro Kobayashi


The Proceedings of the International Conference on Power Engineering (ICOPE) | 2003

F108 FREEDOM-A FOSSIL POWER PLANT MAINTENANCE STRATEGY OPTIMIZATION SYSTEM

Hirotoshi Matsumoto; Nobuhiko Nishimura; Fumitoshi Sakata; Yasuharu Chuman; Kimihiko Tominaga; Akira Shiibashi


The Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics | 2003

OS12(3)-12(OS12W0391) Advanced Creep Damage Analysis of Low-Alloy Steel Welds Considering the Microscopic Damage Progress

Fumiko Kawashima; Takumi Tokiyoshi; Toshihide Igari; Akira Shiibashi; Naoya Tada


Archive | 2002

Acier à haute résistance et résistant aux températures élevées, procédé de son fabrication et procédé de fabrication d'un tube à haute résistance et résistant aux températures élevées

Masahiro Kobayashi; Akira Shiibashi

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Masahiro Kobayashi

Mitsubishi Heavy Industries

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Fumitoshi Sakata

Mitsubishi Heavy Industries

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Nobuhiko Nishimura

Mitsubishi Heavy Industries

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Fumiko Kawashima

Mitsubishi Heavy Industries

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Masashi Ozaki

Mitsubishi Heavy Industries

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Takumi Tokiyoshi

Mitsubishi Heavy Industries

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Toshihide Igari

Mitsubishi Heavy Industries

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Hideshi Tezuka

Tokyo Electric Power Company

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Ko Takeuchi

Tokyo Electric Power Company

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