Application of diamond to fusion plasma diagnostic

Kusama, Yoshinori; Ishikawa, Masao

NEW DIAMOND, 21(3), p.24 - 25, 2005/07

no abstracts in English

Anisotropically conducting films consisting of sub-micron copper wires in the ion track membranes of poly(ethylene terephthalate)

Maekawa, Yasunari; Koshikawa, Hiroshi; Yoshida, Masaru

Polymer, 45(7), p.2291 - 2295, 2004/03

https://doi.org/10.1016/j.polymer.2003.11.011

Ion track membranes of poly(ethylene terephthalate) (PET) are applied to the production of anisotropically conducting films possessing copper wires of less than sub-micron in diameter. The membranes possessing cylindrical pores of 1.9 m and 200 nm in diameter were prepared by irradiation of Xe ion beams followed by etching in an aqueous NaOH. Copper wires were deposited into the pores by electrochemical plating in aqueous copper sulfate solution to prepare the PET/Cu hybrid membranes. The copper wires with 1.9 m in diameter showed wavelike surface roughness, resulting from the roughness of the pore side wall, whereas the copper wires with 200 nm in diameter showed smooth surfaces. The resistances of the membranes measured by a four terminal resistance method are in good agreement with the calculated values, indicating that the hybrid membranes possess conductivity perpendicular to the membrane surfaces but not parallel to the surfaces.

Diode-like single-ion track membrane prepared by electro-stopping

Apel, P. Y.*; Korchev, Y. E.*; Siwy, Z.*; Spohr, R.*; Yoshida, Masaru

Nuclear Instruments and Methods in Physics Research B, 184(3), p.337 - 346, 2001/11

https://doi.org/10.1016/S0168-583X(01)00722-4

no abstracts in English

Alkali hydrolysis experiment of organic materials such as cement additives

Fukumoto, Masahiro; Nishikawa, Yoshiaki*

JNC TN8400 2001-017, 355 Pages, 2001/03

JNC-TN8400-2001-017.pdf:6.43MB

The alkali hydrolysis experiments which seem to be important from the view point of the alteration mechanism using the following seven organic materials was performed as a part of the evaluation of the influence on the disposal of the organic materials contained in the TRU wastes. As a result of the alkali hydrolysis experiments (90C and 91d), each organic materials became those of lower molecular weight. The degradation products were able to be detected in the solution. The organic materials seem to be degraded to the organic matters which were confirmed in this study in a long term of disposal. The degradation products were shown below. Therefore, the evaluation of the influence on the migration of radionuclides by degradation products becomes important in the future. (1)Cement additives of Naphthalenesulfonic acid and Ligninsulfonic acid ( Naphthalenedisulfonic acid etc.) (2)Cement additives of polycarboxylic acid ( Oligomer of distal methoxypoly ethylene glycol.) (3)Ethylenediamine-N,N,N',N'-tetraacetic acid disodium salt ( Acetic acid desorped and cyclized organic matters from EDTA.) (4)Tributyl phosphate ( Dibutyl phthalate, n-butanol) (5)Poly vinyl acetate ( Acetic acid) (6)Nylon66 ( Adipic acid, Hexamethylenediamine) (7)Cured epoxy resin ( Glycerol poly glycidyl ether, Carboxylic acid)

Bending fatigue and its evaluation of ropes used in equipment for recovery of rare metals from seawater

Tamada, Masao; Kasai, Noboru; Seko, Noriaki; Hasegawa, Shin; Takeda, Hayato*; Katakai, Akio; Sugo, Takanobu

JAERI-Tech 2000-072, 40 Pages, 2000/12

JAERI-Tech-2000-072.pdf:10.9MB

no abstracts in English

JASPER Experimental data book (VI); Special materials experiment

Mori, Tomoaki*; Takemura, Morio*

JNC TJ9450 2000-001, 96 Pages, 2000/03

JNC-TJ9450-2000-001.pdf:2.04MB

This report is intended to make it easier to apply the measured data obtained from the Special Materials Experiment, which was conducted at the Oak Ridge National Laboratory (ORNL) during about a month beginning at the end of June, 1992 as the last one of a series of eight experiments planned for the Japanese-American Shielding Program for Experimental Research (JASPER) which was started in 1986. For this reason. the information presented includes specifications and measurement data for all configurations, compositions of all materials, characteristics of the measurement system. and daily-basis records of measurements. The Special Materials Experiment was planned to obtain the data of neutron attenuation characteristics of selected shielding materials for use in advanced fast reactors. The material of particular interest for the experiment was zirconium hydride that is rich in hydrogen. The mockup slabs for the special materials were preceded by the spectrum modifier behind the TSR-II reactor of Tower Shielding Facility. The layer of zirconium hydride was simulated with a combination of zirconium and polyethylene slabs. The thick layer of polyethylene with no zirconium was installed in some configurations.Neutron flux was measured behind the configurations with various types of detectors. The integral neutron flux in wide energy region was measured in eight configurations and neutron spectrum in high energy region was measured also in almost all configurations. Information presented in this report is based mainly on a report issued by ORNL (ORNL/TM-12277. "Measurements for the JASPER Program Special Materials Experiment"). Additional information reported by the assignee is utilized also.

Improvement of mechanical properties of hydrogel by irradiation of polymers in aqueous solution with -carrageenan

Makuuchi, Keizo; Yoshii, Fumio; Aranilla, C. T.*; Zhai, M.*

JAERI-Conf 2000-001, p.192 - 195, 2000/03

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

High energy ion irradiation effects on polymer materials-changes in mechanical properties of PE, PSF and PES

Sasuga, Tsuneo; Kudo, Hisaaki; Seguchi, Tadao

Polymer, 40, p.5095 - 5102, 1999/00

https://doi.org/10.1016/S0032-3861(98)00725-3

no abstracts in English

Electron beam crosslinked PEO and PEO/PVA hydrogels for wound dressing

Yoshii, Fumio; Y.Zhanshan*; *; *; Makuuchi, Keizo

Radiation Physics and Chemistry, 55(2), p.133 - 138, 1999/00

https://doi.org/10.1016/S0969-806X(98)00318-1

no abstracts in English