CONTENTS

Message from the President

New Chairman's Comment

SUMIKAWA Masaharu /127

Essay

Ni-base Single Crystal Superalloy, past, present and Future

MATSUO Takashi /128

Technical Comments and Reports

Special Issue "Gas Turbine Materials Technology"

Materials Technology of Heavy-Duty Gas Turbine

YOSHIOKA Yomei, DOI Hiroyuki, TAKEDA Junichiro, NAMBA Koichi, OKADA Ikuo, TAKE Koji, ITO Takeyuki /130

Materials Technologies on Aircraft Gas Turbine Engines

FUJIMURA Tetsuji /174

Evolution of Repair Technologies for Heavy-Duty Gas Turbines High Temperature Components

YOSHIOKA Yomei /178

Contributed Papers

Control of Combustion Oscillations in Premixed Combustor
-An Experimental Investigation of Combustion Oscillations at Operation Conditions-

YAMANAKA Susumu, MAEDA Fukuo, SHIODA Kazunori, IWABUCHI Kazunori, TSUCHIYA Toshiaki, OKAMOTO Masanori /183

Control of Combustion Oscillations in Premixed Combustor
-Application of the Resonator for Reducing Combustion Oscillations-

YAMANAKA Susumu, MAEDA Fukuo, SHIODA Kazunori, IWABUCHI Kazunori, TSUCHIYA Toshiaki, OKAMOTO Masanori /191

Tearoom

Product Value and Merchandise Value

OTSUKI Yukio /199

Letters from R&D Groups

Fluid Engineering Laboratory, Department of Mechanical Engineering Faculty of Engineering, Hosei University

MIZUKI Shinpei, TSUJITA Hoshio /200

New Products

HF-118 Turbofan Engine

SONODA Toyotaka, WARAGAI Atsukuni /202

GTSJ Activities

204

Notice

233