IGTC-68 Evaluation of Reliability of Inserted Ceramic Blades by Hot-Spin Testing(Session C-5 EVALUATION OF CERAMIC COMPONENTS II)

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概要

• 論文の詳細を見る

• For the improvement of the engine performance, ceramic turbine blades were designed and applied to a 300kW-class gas turbine (CGT301). The objective of the study was to evaluate the reliability of ceramic blades and to insure the reliability of the ceramic blade in the gas turbine applications. To achieve this objective, the fast-fracture strength of the designed blade was evaluated by the cold-spin testing by NGK Spark Plug Co., Ltd. After cold-spin proof testing, hot-spin tests were carried out under various modes such as over-speed testing, the steady-state spin and cyclic-spin tests. The designed ceramic blades survived those tests and any damage was not detected by dyepenetratry non-distractive inspections. The reliability of ceramic blades for the operational lifetime of 20 hours (which is the current goal) has been confirmed experimentally in hot-spin tests.

• 公益社団法人日本ガスタービン学会の論文

著者

• Ono M.

  Research Information Center, Institute of Plasma Physics, Nagoya University

• Tagashira K.

  Research Institute Ishikawajima-harima Heavy Industries Co. Ltd.

• Okamura J.

  Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd.

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• IGTC-68 Evaluation of Reliability of Inserted Ceramic Blades by Hot-Spin Testing(Session C-5 EVALUATION OF CERAMIC COMPONENTS II)

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