Paper Title:

Superplastic Titanium Tanks for Propulsion System of Satellites

Periodical Materials Science Forum (Volumes 551 - 552)
Main Theme Superplasticity in Advanced Materials - ICSAM 2006
Edited by K.F. Zhang
Pages 43-48
DOI 10.4028/
Citation Eiichi Sato et al., 2007, Materials Science Forum, 551-552, 43
Online since July 2007
Authors Eiichi Sato, S. Sawai, K. Uesugi, T. Takami, K. Furukawa, M. Kamada, M. Kondo
Keywords Aerospace, Fuel Tank, Superplastic Blow Forming, Titanium (Ti)
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Institute of Space and Astronautical Science (ISAS/JAXA) in collaboration with Mitsubishi Heavy Industries (MHI) has developed fuel and gas tanks for reaction control system and orbital control system of satellites; A tank is fabricated through welding of two thin, hemi-spherical or conical parts, which are fabricated by superplastic blow forming. Mass-productivity is not an important factor but the forming precision and flexibiliry in the process are important for this application. ISAS and MHI, therefore, developed a new blow-forming technique, which has high flexibility in terms of tank size because it requires a furnace but not a hot-press machine. Some typical propulsion tanks fabricated through this process are presented.