CONTENTS

Essay

Special Issue "Advanced Materials and Processing for Gas Turbine/Technology Status"

Miscellaneous Thoughts on R&D in Heat Resisting Materials

KIKUCHI Makoto /51

Technical Comments and Reports

Present and Future of Ni-base Superalloys: Toward Higher Temperature Capabilities

HARADA Hiroshi, YOKOKAWA Tadaharu /53

Cobalt-base Alloys and Ferritic Steels for Gas Turbines

IIJIMA Katsumi, DOI Hiroyuki /61

Oxide Dispersion Strenthened Alloy

KAWAMURA Tadahisa /65

Intermetalic Compounds, Composites, Powder Metals

NISHIKIORI Sadao, ARAKI Takahito, HOSOYA Masaatsu /71

Ceramics

TATSUMI Tetsuo, TSURUZONO Sazo /76

Refractory Metals -Focusing on Development of Niobium Base Superalloy-

TANAKA Ryohei, KASAMA Akio, FUJIKURA Masakuni, IWANAGA Isao, TANAKA Hisao, MATSUMURA Yoshikazu /81

Production of Ni-base Superalloy (Melting, Refining, Casting and Forging)

DOTANI Yasuo /87

Coating Techincs for Gas Turbine

HARADA Yoshio /94

Contributed Paper

Numerical Simulation on Heat Transfer Characteristics of Integrated Impingement Cooling System for a High-Temperature Turbine (Validation of Numeraical Method)

FUNAZAKI Ken-ichi, KUDO Toshimitsu, HACHIYA Kazunori /108

Tearoom

My Experience in R&D of Cooled Blades for Hydrogen-Fuelled Combustion Gas Trubines

KIZUKA Nobuaki /116

New Products

M1A-13X Gas Turbine with Catalytic Combustor

KOBAYASHI Hirotake /117

New Generation Videoscope IPLEX

UEMURA Tsutomu /119

Photograph on Cover

Hydrogen Combustion Turbine System

MOURI Kunihiko /121

GTSJ Activities

125

Notice

126