Vol.20 No.1 Contents

Point of View
Technological Similarity between Earthenwear and Refractory
Yusuke Moriyoshi   4

Papers
 Conputer Simulation of the Dewatering of Refractory Concretes Walls
 M. Velez, A. Erkal and R. E. Moor   5

Reaction of Magnesia or Magnesia-Chrome Refractories with Molten CaO-SiO2-Al2O3-FetO Slags
 Zainan Tao, Kusuhiro Mukai, Hisanori Yonezawa and Yayoi Yoshimura   10

 Carbonation of Alumina Cement Bonded Castable Refractories
 Satoshi Sakamoto and Eiichi Kudo   18

Reports

 The Deformation Behavior of Low Cement Castable
 Nobuyuki Takahashi, Makoto Ishikawa and Koji Watanabe   24

 Thermo-Mechanical Properties of Castable for Ladle Bottoms
 Makoto Ishikawa, Nobuyuki Takahashi and Chiharu Nishikawa    28

 High Performance, Quick Hardening, Hot Casting Materials for Basic Oxygen Furnace
 Syuzo Horita, Toshihiko Kaneshige and Hiroshi Takenaka    32

 Effect of SiO2 Content of Mud on Its Bonding
 Fimihiko Samukawa, Kazuhiro Ogura, Nobuaki Muroi and Seijirou Tanaka    36

Monolithic Refractory Lining for Steel Ladles by Wet Spray Installation
Ryouji Masumoto, Hideaki Inaba, Tsuyoshi Isaka, Yuji Ohtsubo, Masanori Koga and Kazushige Yamaguchi   40

Effect of Particle Size on the Expansion of Al2O3-SiO2 Castable
 Tatsuhiko Masuda, Jyoki Yoshitomi and Hiroyuki Yamashiro   45

Abstracts : The 12th Annual Colloquim of TARJ Compilation of Abstracts
   Improvement of Slide Gate Plate Shape
   Kenichi Mukouyama, Kunio Hayamizu, Teruhisa Kawashima and Hiroyuki Tofuku   50

   Development of Barrier Forming Zirconia-Graphite (ZG) Refractories
   Tadashi Ikemoto, Ikuo Sawada, Hiroshi Sakamoto and Shoji Iitsuka   51

   Water Model Simulation of an Annular Step Submerged Entry Nozzle (‡U)
   Toshio Horiuchi, Masamichi Takai and Osamu Nomura   52

   Development of Stabilized ZrO2 Tundish Nozzle Impregnated with Monoclinic ZrO2
   Masanobu Saito, Kenichi Sorimachi and Kimiaki Sasaki   53

  Determination of Static Elastic Modulus at Elevated Temperature by the Bending Method
   Masayuki Nakasukasa, Hideo Asakura, Hiroshi Minamizono and Sachihiro Irie   54

  Development of Displaying System for Long-Term Time-Series Data
   Shinji Yamamura and Koji Abematsu   55

  Determination of Fluorine in Calcium Silicate-Fluoride Composite Materials by X-ray Fluorescence  Spectrometry with Low-Dilution Glass Beads of Low Melting Point
   Katsushige Ikegami, Naoki Kurozumi and Hideo Asakura   56

Direct Observation of the Penetration of Molten Silver into Porous Refractory
   Zushu Li, Kusuhiro Mukai, Zainan Tao, Tatsuya Ouchi, Isao Sasaka, Shoji Iitsuka and Keisuke Asano   57

  Quantitative Analysis of the Penetration of Molten Silver into Porous Refractories
   Zushi Li, Tatsuya Ouchi, Kusuhiro Mukai, Zainan, Tao, Isao Sasaka, Shoji Iitsuka and Keisuke Asano   58

  Direct Observation of Slag Penetration into MgO Refractory
   Kusuhiro Mukai, Zainan Tao, Kiyoshi Goto and Toshiyasu Takashima   59

  Use of Metal Powder in Wet Spray Materials
   Yasukuni Tanaka, Yuji Otsubo, Keisuke Asano, Jun Kinonji and Kinji Otsuka   60

  Simplified Wet Gunning Method for Small Scale Repairs
   Takehiko Suzuki, Ryosuke Nakamura, Hisaki Sumimura and Makoto Namba   61

  Insulating Material for Shotcreting System
   Hisaharu Sasaki, Ryosuke Nakamura, Toshihiko Kaneshige and Ichiro Hattori   62

  Evaluation of the Flow Characteristics and Weibull Modulus of Self-Flow Castable
   Nomuyuki Takahashi, Naotaka Fukami and Makoto Ishikawa   63

  Effect of Spinel Content on Thermal Properties of Castables for Blast Furnace Troughs
    Satoshi Terayama, Gun Gyu and Nobuaki Muroi   64

  Development of Low Water Addition and High Fluidity Castables
    Hidetoshi Kamio, Michifumi Nakashima, Toshihiro Isobe and Isamu Shimizu   65

  Reaction between Alumina Cement and Phosphate
    Katsufumi Jono, Eiozo Maeda and Kenichi Sorimachi   66

  Damage in Taphole Clay and Required Properties
    Masatsugu Kitamura, Ryosuke Nakamura and Hisaki Sumimura   67

  Comparison of Additives in MgO-C Refactories
    Kaname Onoda, Shinobu Hashimoto and Akira Yamaguchi   68

  Effect of Added CrB2 in MgO-C Refractories
    Masaya Higuchi, Shinobu Hashimoto and Akira Yamaguchi   69

  Castables for RH Snorkel
    Koichi Nishi, Toyoyasu Obana, Tetsuro Fujii and Isao Shimizu   70

  Low Permeability Chrome-free Bricks for Secondary Refining Furnace
    Tamiatsu Koyake, Masanori Ogata and Minoru Suto   71

  Improvement of the Slaking Resistance of Basic Refractories
    Hiroaki Ishii, Kimiaki Sasaki and Seijiro Tanaka   72

  Resistance of Refractories Added Sialon-SiC to Oxidation and Slag Corrsion
    Jingkun Yu and Keisuke Hiragushi   73

  Relationship between Microstructure and Slag Wear Resistance of Chromia Ceramics
    Makoto Okawa, Terue Murase, Yoshimitsu Ikeru and Yoshiharu Kajita   74

  Corrosion Mechanism of Various Refractory Oxides by Molten Ash Slag
    Koji Moriwaki, Keiichi Nobuhara and Keisuke Hiragushi   75

  Numerical Analysis of Silicon Carbide Radiant Tube
    Kazuo Ohta, Yukifumi Sakai and Kunio Hayamizu   76

  Application of a New Alumina Material to Refractories
    Kazuhiro Kochigami and Eizo Maeda   77

  Effect of Liquid Resins of the Characteristics of Carbon-Containing Bricks
    Kenji Akamatsu, Naotoshi Yasuda and Isamu Shimizu   78

  High Temperature Reaction between Chlorine Gas and Monolithic Refractoreis
    Satoshi Sakamoto and Yoshimasa Miyagishi   79

Application of Alumina-Chromia-Zircon Bricks to Waste Melting Furnaces
    Toshinori Shimizu, Yoshiki Tsuchiya, Toru Honda and Shigetoshi Ohta   80

  Study for Improving Magnesia-Spinel Bricks Exposed to Excess Sulfur Ion in Rotary Cement Kilns
    Kazushi Tokunaga, Hiroshi Kusunose, ATakayuki Oyama and Takao Takada   81

  Development of Castable for the Burner of Rotary Cement Kilns
    Shotaro Watanabe and Masashi Arai   82

  Development of a Technique Using Tannin Gel Particles to Remove and Recover Hexavalent Chromium Eluted from Used Magnesia-Chrome Bricks
    Yasuo Nakamura, Kazuhiko Hamaguchi, Wataru Shirato, Yoshio Nakano and Eiji Kawamoto   83

  Effect of Oxygen Enriched Air on the Heating rate in a High Temperature Shuttle Kiln (2nd Report)
    Toshimasa Irie, Yasuo Omotehara, Nobuyuki Takeuchi, Shingo Ishida, Hironori Watanabe, Kazuma Kiyohira,
Etsuro Ogawa, Shigekazu Tsugawa and Tsutomu Nakatsuka   84