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Journal Articles

Diffusion of O atoms at Ru(0001) surface induced by collision of O$$_{2}$$ with high kinetic energy

Takahashi, Shin*; Aruga, Tetsuya*; Teraoka, Yuden

Denki Gakkai Rombunshi, A, 136(7), p.462 - 463, 2016/07

JAEA Reports

Study for the water penetration chemistry of bentonite under temperature gradation environment; cutline report

*; *

JNC TJ8400 2003-009, 39 Pages, 2002/02

JNC-TJ8400-2003-009.pdf:0.84MB

This work have been studied for the water fluctuation in time and space in case of the ground water penetration into the unsaturated bentonite with development of the necessary test equipment. The test equipment necessary for this test, was designed on consideration of the adiabatic condition, sensors for pH, salt and water measurement. The thickness of the bentonite specimen was set to 10cm and the temperature slope was enable to set between 80$$^{circ}$$C and 100$$^{circ}$$C at the both end of the specimen. The water for penetration was pushed by gas constant pressure up to 1MPa. The glass electrode for pH, electric conductivity for salinity and moisture sensor for lower water content and water sensor for higher were used as the sensors. The fluctuation of salt and water in the ground water penetration test to bentonite was estimated. The sensor data were treated as parametric data, because those data could not calibrated in those high temperature and under those high bentonite swollen pressure. For another development should be needed for water sensor.

JAEA Reports

Study for the water penetration chemistry of bentonite under temperature gradation environment

*; *

JNC TJ8400 2003-008, 97 Pages, 2002/02

JNC-TJ8400-2003-008.pdf:2.34MB

This work have been studied for the water fluctuation in time and space in case of the ground water penetration into the unsaturated bentonite with development of the necessary test equipment. The test equipment necessary for this test, was designed on consideration of the adiabatic condition, sensors for pH, salt and water measurement. The thickness of the bentonite specimen was set to 10cm and the temperature slope was enable to set between 80$$^{circ}$$C and 100$$^{circ}$$C at the both end of the specimen. The water for penetration was pushed by gas constant pressure up to 1MPa. The glass electrode for pH, electric conductivity for salinity and moisture sensor for lower water content and water sensor for higher were used as the sensors. The fluctuation of salt and water in the ground water penetration test to bentonite was estimated. The sensor data were treated as parametric data, because those data could not calibrated in those high temperature and under those high bentonite swollen pressure. For another development should be needed for water sensor.

JAEA Reports

None

Shimogori, Kazutoshi*; Tomari, Haruo*; *; Fujiwara, Kazuo*; Masugata, Tsuyoshi*

PNC TJ1074 98-002, 270 Pages, 1998/02

PNC-TJ1074-98-002.pdf:25.03MB

None

Oral presentation

Super ODS steel R&D towards highly efficient nuclear systems, 6; Piping and summary

Kaito, Takeji; Inoue, Masaki; Ukai, Shigeharu*; Kimura, Akihiko*; Okuda, Takanari*; Abe, Fujio*; Onuki, Somei*; Fujisawa, Toshiharu*

no journal, , 

The Four path tube manufacturing of the corrosion resistant super ODS ferritic steel was carried out using pilger mill cold working and intermediate softening heat treatment. High-temperature final heat treatment successfully produced isotropical recrystallized microstructure. It was confirmed that target precise dimension of 8.5mm in outer diameter $$times$$ 0.5mm in wall thickness can be achieved by the tube manufucturing process developed by JAEA. Based on the reviewing of R&D results on super ODS steel, the prospect of super ODS steel development was discussed.

Oral presentation

Collision induced structural change of O adlayer formed at Ru(0001) surface

Takahashi, Shin*; Teraoka, Yuden; Aruga, Tetsuya*

no journal, , 

no abstracts in English

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