Radiation effects on PTFE moulding powder

Yagi, Toshiaki; Tamada, Masao; Udagawa, Akira*

JAEA-Review 2006-042, JAEA Takasaki Annual Report 2005, P. 57, 2007/02

https://jopss.jaea.go.jp/pdfdata/JAEA-Review-2006-042.pdf

Change of mecahnical properties of polytetrafluoroethylene(PTFE) were examined by means of irradiation of the moulding powder prior to compression moulding. Share strength and elongation of PTFE incresed 4 times with incresing of the radiation dose, whereas tensile strength maintained inrinsic value. Gas transmission rate of nitrogen and oxygen were also considerably controlled to lower value. These results suggest that the irradiation effect on PTFE mouling powder are useful for industrial applications.

Application of radiation-crosslinked Polytetrafluoroethylene to fiber-reinforced composite materials

Oshima, Akihiro; Udagawa, Akira; Morita, Yosuke

Radiation Physics and Chemistry, 60(4-5), p.467 - 471, 2001/03

https://doi.org/10.1016/S0969-806X(00)00416-3

Plain-woven carbon fber-filled polytetrafluoroethylene (PTFE)composites were fabricated by radiation-crosslinking under selective conditions.High mechanical and frictional properties are found in the composite materials compared with crosslinked PTFE without fiber.The composite materials with optional shapes,which are laminated after electron beam (EB) crosslinking treatment of each mono-layer could also be fabricated.

Application of radiation crosslinked polytetrafluoroethylene to fiber-reinforced composite materials

Oshima, Akihiro; Udagawa, Akira; Morita, Yosuke

Proceedings of International Symposium on Prospect for Application of Radiation towards the 21st Century, p.83 - 84, 2000/00

no abstracts in English

Development study of concrete reinforcement made of aramid fiber-reinforced plastic rods with high radiation resistance, 1; Epoxy resin compounds with a handling at room temperature impregnation

Udagawa, Akira; *; *; *; Seguchi, Tadao

JAERI-Tech 99-022, 31 Pages, 1999/03

JAERI-Tech-99-022.pdf:1.68MB

no abstracts in English

Scanning acoustic microscopic observation of radiation-induced oxidized region of low-density polyethylene sheet

Udagawa, Akira; Seguchi, Tadao

Kobunshi Rombunshu, 56(1), p.41 - 44, 1999/01

https://doi.org/10.1295/koron.56.41

no abstracts in English

The Interlaminar shear strength of FRPs under the influence of various radiation sources

S.M.Spiessberger*; K.Humer*; H.W.Weber*; E.K.Tschegg*; H.Gerstenberg*; Udagawa, Akira

Advances in Cryogenic Engineering Materials, Vol.44, p.191 - 195, 1998/00

https://doi.org/10.1007/978-1-4757-9056-6_25

no abstracts in English

Development of aramide fiber-reinforced plastic composite materials with high radiation resistance for concrete stractures

Udagawa, Akira; *

Genshiryoku Kogyo, 43(6), p.34 - 40, 1997/00

http://ci.nii.ac.jp/naid/40001071435

no abstracts in English

Radiation effects on carbon fiber-reinforced plastics for spacecraft materials

Udagawa, Akira; Yudate, Kozo*; Kudo, Hisaaki; Sasuga, Tsuneo; Morino, Yoshiki*; Seguchi, Tadao

JAERI-Tech 95-007, 25 Pages, 1995/02

JAERI-Tech-95-007.pdf:1.41MB

no abstracts in English

Influence of fiber upon the radiation degradation of fiber-reinforced plastics

Udagawa, Akira

Kobunshi Rombunshu, 49(6), p.551 - 553, 1992/06

https://doi.org/10.1295/koron.49.551

no abstracts in English

Radiation effects on low viscous tetra glycidyl diamino epoxids

Sasuga, Tsuneo; Udagawa, Akira; Seguchi, Tadao

DEI-91-135, p.49 - 57, 1991/12

no abstracts in English