Nondestructive material reliability evaluation for Cu-alloy of combustion chamber

The aim of this research is to evaluate high temperature damage of combustion chamber made of Cu-Cr-Zr alloy using eddy current testing (ECT) techniques based on AMR sensor. The cracks in a simulated combustion chamber can be detected by multi-frequency ECT technique. Also the relative conductivity...

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Veröffentlicht in:	Journal of Fluid Science and Technology 2014, Vol.9(5), pp.JFST0075-JFST0075
Hauptverfasser:	HE, Dongfeng, SHIWA, Mitsuharu, ONO, Yoshinori, HAYAKAWA, Masao, SUNAKAWA, Hideo, NAGAO, Naoki, MORIYA, Shinichi, SATO, Eiichi, XIE, Shejuan, UCHIMOTO, Tetsuya, TAKAGI, Toshiyuki
Format:	Artikel
Sprache:	eng
Schlagworte:	AMR CHROMIUM COPPERS COMBUSTION Combustion chamber Combustion chambers COPPER ALLOYS (40 TO 99.3 CU) Copper base alloys CRACK GROWTH Crack propagation CRACKS Creep (materials) Damage Eddy current testing ELECTRICAL CONDUCTIVITY Fatigue cracks FATIGUE TESTS Fracture mechanics Magnetic sensor Marine Nondestructive evaluation
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Beschreibung
Zusammenfassung:	The aim of this research is to evaluate high temperature damage of combustion chamber made of Cu-Cr-Zr alloy using eddy current testing (ECT) techniques based on AMR sensor. The cracks in a simulated combustion chamber can be detected by multi-frequency ECT technique. Also the relative conductivity of damaged copper alloy specimens both at room temperature during tensile testing and at high temperature of fatigue and creep testing were related to the applied damage with micro cracks.
ISSN:	1880-5558 1880-5558
DOI:	10.1299/jfst.2014jfst0075