Contents
Improvement of Hydrogen Isotope Release on Lithium Orthosilicate Ceramic Pebble
by Catalytic Metals...........................Chengjian XIAO, Chunmei KANG, Xingbi REN, Xiaoling GAO, Xiaojun CHEN,Heyi WANG and Xiaolin WANG

1Effects of Li4TiO4 Structure on Tritium Release Kinetics from Lithium-Enriched Li2+xTiO3......................................... Makoto KOBAYASHI, Kiyotaka KAWASAKI, Katsuyoshi TATENUMA,
Masanori HARA, Masao MATSUYAMA, Toshiyuki FUJII, Hajimu YAMANA,Yasuhisa OYA and Kenji OKUNO

7Release Behavior of Hydrogen Isotopes in Li2TiO3 Pellet............................................................................... Deqiong ZHU, Takuji ODA and Satoru TANAKA

12Mass Loss of Li2TiO3 Pebbles in Atmosphere Containing Hydrogen....................................... Hideaki KASHIMURA, Masabumi NISHIKAWA, Kazunari KATAYAMA,Shohei MATSUDA, Satoshi FUKADA, Tsuyoshi HOSHINO

18Flibe-Tritium Research for Fission or Fusion Reactors at Kyushu University...................................................................................................................................Satoshi FUKADA

22Experimental and Computational Studies on Tritium Permeation Mechanism in Erbium Oxide...............................................................................Wei MAO, Takumi CHIKADA, Akihiro SUZUKI,Takayuki TERAI and Kenji YAMAGUCHI

27

Solubility of Hydrogen Isotopes in Zirconia Ceramics........................... Kenichi HASHIZUME, Kosuke OGATA, Satoshi AKAMARU and Yuji HATANO

33

Numerical Simulation of Detritiation System for NIFS with Commercial Catalyst and Adsorbent...........................................................Kenzo MUNAKATA, Keisuke HARA, Takahiko SUGIYAMA,Kenji KOTOH, Masahiro TANAKA and Tatsuhiko UDA

36

Effects of La2O3, Cu and Fe Addition on the Catalytic Performance of Ni-SiO2 Catalysts forMethane Decomposition....................................................... Heyi WANG, Wenhua WANG, Yong YANG and Shuming PENG

42

Measurement of Tritium Distribution in Nickel and Vanadium by Means of a Combined
Technique of an Imaging Plate and Thin Absorbers.......................................................................................Hiroko YOSHIDA-OHUCHI, Yuji HATANO,Akram MOHAMMADI and Takao KAWANO

49

III

The R&D Status of ITER SDS........................................... Sei-Hun YUN, Chang Shuk KIM, Min Ho CHANG, Hyun-Goo KANG,Seungyon CHO, Hyun Gon LEE, Ki Jung JUNG, Hongsuk CHUNG,
Dae Seo KOO, Kyu-Min SONG, Soon-Hwan SHON and Duk Jin KIM

54

Trapping of Tritium by Stainless Steel Exposed to Plasmas in Experimental Campaigns of LHD............................... Masao MATSUYAMA, Shinsuke ABE, Kiyohiko NISHIMURA, Yasushi ONO,Yasuhisa OYA, Kenji OKUNO, Tomoaki HINO and Akio SAGARA

64

Simulating Tritium Retention in Tungsten with a Multiple Trap Model in the TMAP Code.........................................Brad J. MERRILL, Masashi SHIMADA and Paul W. HUMRICKHOUSE

71

Implantation Energy Dependence on Deuterium Retention Behaviors for theCarbon Implanted Tungsten................................................................. Yasuhisa OYA, Makoto KOBAYASHI, Naoaki YOSHIDA,Naoko ASHIKAWA, Akio SAGARA, Yuji HATANO and Kenji OKUNO

76

Tritium Distribution on the Tungsten Surface Exposed to Deuterium Plasma and then toTritium Gas................................ Kanetsugu ISOBE, Vladimir Kh. ALIMOV, Akira TAGUCHI, Makiko SAITO,Yuji TORIKAI, Yuji HATANO and Toshihiko YAMANISHI

81

Study on Plasma-Tungsten Surface Interactions Using the New Experimental Device EXPRESS...................................Ryo MIURA, Tetsuo FUJISHIMA, Yuto MIYAHARA, Tomohisa TAGUCHI,
Masahiro TANAKA, Akio SAGARA,Yasuhisa OYA and Kenji OKUNO

85

Hydrogen Incorporation into Tungsten Deposits Growing under Hydrogen andArgon Mixed Plasma........................................................................................ Kazunari KATAYAMA, Yasuhito OHNISHI,
Satoshi FUKADA and Masabumi NISHIKAWA

89

Hydrogen Storage Properties of Nanocrystalline Mg2Ni Based Alloys Prepared by Ball-Milling.......................................................... Yifu XIONG, Jingwen BA, Wuwen QING and Wenyong JING

94

Hydrogen Generation Property on the Surface of Plasma Sintered Be12Ti..................................... Kohei WADA, Kenzo MUNAKATA, Yusuke AKIMOTO, Haruki TAKEDA,Jae-Hwan KIM, Daisuke WAKAI, Kazuo YONEHARA and Masaru NAKAMICHI98IV