24,3 (2004)

Point of view:
 Global Environment and Refractories･･･160
K.Sawano

Review:
 Cement Production Technology for Creation of Recycling Oriented Society･････････････161
Y. Kaneko

Paper:
 Densification of Blast Furnace Taphole Clay ‥‥‥‥‥‥171
 T. Matsunaga､M.Kataoka and l.Takita

Reports:
 Properties or MgO-TiO₂･Al₂O₃ Aggregates ････････････････.176
  H.Makino､M.Mori､T.Obana, K.Nakamoto, A.Tsuchinarl and T.Hirata

Improvement of the Spalling Resistance of Dolomite Bricks ‥‥‥‥‥‥‥‥‥‥181
  E,Moriyama,K.Eiiri and T.Terashima

 Improving Slaking Reistance of CaO Clinker-Influence of Aluminum Phosphate-･……･･････････186
     T.Obana,M.Mori, H.Makino, K.Nakamoto､A.Tsuchinari and T.Hirata

 Magnesia･Spinel Brick with Stress Relaxation Capability for Tire Region of Cement Rotary Kiln･･190
     T. Takada, K､lmai, K,Tokunaga andT.Umezawa

 Water Model Simulation of Mogul Lined Submerged Entry Nozzle…………………194
     S. Inoue､M.Ogata, O.Nomura and M. Takai

Coffee Break
 Surfing…･……‥‥‥‥‥‥‥‥‥‥‥‥‥‥198
     S､Maruyama

Abstracts:
 lnformation about Compilation of Abstracts of 17th Annual Colloquium of TARJ …………………199

 Deveopment of Taphole Clay for Protecting Bottom of Blast Furnace ････････‥‥･････････‥･･200
T,Kageyama,K.Maruyama,M.Kitamura and D Tanaka

 Effect of Extrusion Pressure on Blast Furnace Tap Hole Mixes ……………………………201
Y .Kitazawa,Y.Ohtsubo､T,Suzuki andK､Asano

 Microstructure of Taphole Mix in Contact with Slag ………………………………202
 M.lida, Y,Toritani and T.0kamoto

 Improved Design of a Ladle Bottom Lining ……………………………………203
     T､Matsunaga, A､ Torigoe, M.Yoshida and S. Uchida

 Reduction of Drying Time of Steel Ladle･････204
     Y､Nakamura, M.Kato､H.Kato,T.lshii,E.Maeda and A.lida

 Autogenous Shrinkage Properties of Low Cement Castable upon Curing …………………205
     R.Funakoshi and M,Ishikawa

Corrosion Resistance and Electric Rcsistance of ZrB2 Monolilhic Relrlctory ……………206
     K･KuwabaraヽS.Sakamoto O.Kida, T.lshino,T.Kodama, H, Nakajima､T,Itoh andY.Hirakawa

Evaluation of the Thermal and Mechanical Properties ol Si･lmpregnated SiC ………………207
     K､Itoh

Effect of Susceptor Materials on Microwave Sinteing of an Alumina Ceramic   ･･‥……････････208
     F.Ozeki, K.Shimizu,T,Nakagoshi,K.MizunoandYKajita

Effect of NiO on Slaking ReSitance of Magnesia Clinker･･････････209
     H,Makino,M.Mori,T Obana andA.Tsuchinari

Development of NanoTechMgO-C Brick(1)“Application of NanoTechnology to Matrix "  ………210
     Y･Fujiwara､K Namba and S Takanaga

Development of Nano Tech MgO･CBrick(2) “Magnesia-rimmed MgO-CBrick" ………………211
     M､Dohke, K.Namba and S.Takanaga

Development of NanoTcch MgO-C Bifk (3) “MgO-C Brick with NanoStructural Matrix"……………212
     M.Hatta,K.Namba and S,Takanaga

Application of Nano-Tech.MagnesiaCarbon Bricks for Steel Plants ………………………………213
     K.Goto,K.Kono､M,Kondo､H.Nakamura andY.Yamada

Applicationon NanoTecinology to MgO-CBricks･･････････････････････････214
     H.Fuchimoto,T Suruga,T.Hokii and K､Asano

Wear of MgO･C Bicks Lining a RH Lower Vessl……………………………215
     M.Suto,T Koyake and Y､ Kawata

Improvement of Hot observation Equipment･･･････････････216
     J.Okuhara,M.Moriwaki and Y. Sasai

Improvement of Gas Blowing Nozzle TD/SN Systems････････････217
     K,Chihara,T.Mizuno､T.Yotabun and K.Isaji

Effccts of Surface Properties of Alumina Raw Materials on Properties or SN Plate Bicks………218
     K.Akamine,TSuruga,J.Yoshitomi and K.Asano

Observalion or Cracks lnduced by Thermal Shock in Continuous Casting Refractories･･････219
     Y､Matsuo,M.Konno,K,Yasuda,T,Ikemoto,K.Goto and T.Matsui

Nonlinear Finite Elemenl Analysjs or Nozzle for Continuous Casting･………‥‥‥‥‥‥‥‥220
     H.Kamio M.Sugawara, K.Asano and S.Hagiwara

Formation of ZrC in ZrO2･C Materials and its Effect on Molten Steel Penetration---221
     W､Lin, S Uchida, M.Ogata,Y､Ohkawa, AI Watatsu I. Sonoda, J､Zhu and A､Kamiya

Thermal Characteristics of Silica-free Porous Material for Submerged Entry Nozzle････‥･･…･･222
 J.Amano､K,Fukai K.Ogata, K,Morikawa and K､Asano

Development of Recycling Grog Continuous Mixing unit and Its Record in Field trials……………223
     S,Mauyama, K. Nonaka,Y.Naito,E.Motoki, S､Maeda and K.Nakanishi

Life Cycle Inventory of Refractory Raw Mateials 1.Alumina Materlals………………………224
     S.Tamura and N.Narita

Improvement of the Hydration Resistance of Chrome-free Basic Bricks for Rotary Cement Kilns …225
     Y.Nakano,M.Ohno,K､Tokunaga,Y.Tsuchiya and H. Kozuka

Improvement of Cr203-containing Castables for Waste MeltingFurnaces ･‥･･･････････‥‥‥･･226
   M.Hayashl, J.Haraguchi and､ J Moda

Application of Cr203-conatining Spinel Brick in Waste MeltingFurnaces……………………………227
     J,Moda､W.Zhe and J.Haraguchi

Effect of MgO Grajn Size on the oxidation Rate of Magnesia-Carbon Refractory･･･I･････････････228
     H.Sunayama,Y.Matsuda and M. Kawahara

Effect of Metallic Powder Combination on the Corrosion of MgO-C Bricks……………………229
     S.Yoshida､S.Tsuboi,E.Hatae,T.HOUiandK,Asano

Microstructure of MgO･C Refractories and formation dens MgO layer…････…………………230
     M Kohno,T.Matsui､H､Minamizono andA､Watanabe