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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 867 - 876 (10page)
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초록· 키워드
오류제보하기
Second harmonic generation using nonlinear ultrasonic waves have been shown to be an early indicatorof possible fatigue damage in nuclear power plant components. This technique relies on measuringamplitudes, making it highly susceptible to variations in transducer coupling and instrumentation. Thispaper proposes an experimental procedure for in-situ surface wave nonlinear ultrasound measurementson specimen with permanently mounted transducers under high cycle fatigue loading without interruptingthe experiment. It allows continuous monitoring and minimizes variation due to transducercoupling. Moreover, relations describing the effects of the measurement system nonlinearity includingthe effects of the material transfer function on the measured nonlinearity parameter are derived. An insituhigh cycle fatigue test was conducted using two 304 stainless steel specimens with two differentexcitation frequencies. A comprehensive analysis of the nonlinear sources, which result in variations inthe measured nonlinearity parameters, was performed and the effects of the system nonlinearities areexplained and identified. In both specimens, monotonic trend was observed in nonlinear parameterwhen the value of fundamental amplitude was not changing.
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참고문헌 (18)
참고문헌 신청
J. Frouin / 1999 / In-situ monitoring of acoustic linear and nonlinear behavior of titanium alloys during cyclic loading / Nondestructive Evaluation Techniques for Aging Infrastructures &Manufacturing 3585:107~116
Jin-Yeon Kim / 2006 / Experimental characterization of fatigue damage in a nickel-base superalloy using nonlinear ultrasonic waves / The Journal of the Acoustical Society of America 120(3):1266~1273
Jianfeng Zhang / 2014 / Fatigue damage evaluation of austenitic stainless steel using nonlinear ultrasonic waves in low cycle regime / Journal of Applied Physics 115(20):204906
Jan Herrmann / 2006 / Assessment of material damage in a nickel-base superalloy using nonlinear Rayleigh surface waves / Journal of Applied Physics 99(12):124913
Simon V. Walker / 2012 / Fatigue damage evaluation in A36 steel using nonlinear Rayleigh surface waves / NDT & E International 48:10~15
Jin-Yeon Kim / 2006 / Experimental characterization of fatigue damage in a nickel-base superalloy using nonlinear ultrasonic waves / The Journal of the Acoustical Society of America 120(3):1266~1273
Jianfeng Zhang / 2014 / Fatigue damage evaluation of austenitic stainless steel using nonlinear ultrasonic waves in low cycle regime / Journal of Applied Physics 115(20):204906
Jan Herrmann / 2006 / Assessment of material damage in a nickel-base superalloy using nonlinear Rayleigh surface waves / Journal of Applied Physics 99(12):124913
Simon V. Walker / 2012 / Fatigue damage evaluation in A36 steel using nonlinear Rayleigh surface waves / NDT & E International 48:10~15
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