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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.2
- 수록면
- 48 - 55 (8page)
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Many techniques are available for destructive and nondestructive measurement of mechanical hardness. The ultrasonic method could be widely applicable as a nondestructive technique. Many studies have examined how changes in the mechanical hardness affect the longitudinal velocity of ultrasonic waves. This approach aims to estimate the overall velocity variations in specimens. However, proper nondestructive examination techniques are needed as effective tools for analyzing the effects of heat treatment on the surface of the specimens. Therefore, in this study, the effect on the hardness of piston rods was nondestructively measured using surface ultrasonic waves. The hardness after heat treatment was investigated at various depths in the specimens, and the velocity of the surface ultrasonic waves was measured with respect to the hardness of the piston rods. In addition, finite element method simulations were performed to confirm the behavior of the waves.
목차
ABSTRACT
1. 서론
2. 원리
3. 실험
4. 실험결과 및 고찰
5. 결론
References
참고문헌 (13)
참고문헌 신청
1. [학술지(정기간행물)] - 정종안 / 2011 / 초음파를 이용한 배면웨지의 일방향 비파괴 특성평가 / 한국생산제조시스템학회지 20 (6) : 773 ~ 777
2. [학술지(정기간행물)] - Goebble, K. / 1980 / Structure Analysis by Scattered Ultrasonic Radiation / Research Techniques in Nondestructive Testing 4 (4) : 30 ~ 38
3. [학술지(정기간행물)] - Hsu, D K. / 1986 / Evaluation of Porosity in Aluminum Alloy Castings by Single-Sided Access Ultrasonic Backscattering / Review of Progress in QNDE 5 : 1633 ~ 1642
4. [학술지(정기간행물)] - 임광희 / 2011 / One-Sided Nondestructive Evaluation of CFRP Composites By Using Ultrasonic Sound / 한국생산제조시스템학회지 20 (1) : 47 ~ 52
5. [학술지(정기간행물)] - 임광희 / 2003 / On Fiber Orientation Characterization of CFRP Laminate Layups Using Ultrasonic Azimuthal Scanners / 비파괴검사학회지 23 (6) : 566 ~ 576
2. [학술지(정기간행물)] - Goebble, K. / 1980 / Structure Analysis by Scattered Ultrasonic Radiation / Research Techniques in Nondestructive Testing 4 (4) : 30 ~ 38
3. [학술지(정기간행물)] - Hsu, D K. / 1986 / Evaluation of Porosity in Aluminum Alloy Castings by Single-Sided Access Ultrasonic Backscattering / Review of Progress in QNDE 5 : 1633 ~ 1642
4. [학술지(정기간행물)] - 임광희 / 2011 / One-Sided Nondestructive Evaluation of CFRP Composites By Using Ultrasonic Sound / 한국생산제조시스템학회지 20 (1) : 47 ~ 52
5. [학술지(정기간행물)] - 임광희 / 2003 / On Fiber Orientation Characterization of CFRP Laminate Layups Using Ultrasonic Azimuthal Scanners / 비파괴검사학회지 23 (6) : 566 ~ 576
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UCI(KEPA) : I410-ECN-0101-2015-550-001301342