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초음파 피로시험시 시험편의 유한요소 동적 해석Dynamic Analysis of Specimen Under Ultrasonic Fatigue Using Finite Element Method
- Other Titles
- Dynamic Analysis of Specimen Under Ultrasonic Fatigue Using Finite Element Method
- Issue Date
- Dec-2013
- Publisher
- 대한기계학회
- Keywords
- 초음파 피로시험; UFT; Resonance; 공진; Dynamic Analysis; 동적해석
- Citation
- 2013대한기계학회추계학술대회, pp.548 - 552
- Indexed
- OTHER
- Journal Title
- 2013대한기계학회추계학술대회
- Start Page
- 548
- End Page
- 552
- ISSN
- 12264873
- Abstract
- An accelerated ultrasonic fatigue test(UFT) has been used for analyzing very high cycle fatigue( VHCF, Nf > 107) behaviors. This study shows FEM results the dynamic behaviors of a specimen with a resonance of 20 kHz in UFT. The displacement and the stress along the specimen gage portion are calculated. The results are compared with those from the stress equation of the UFT specimen. The dynamic behavior of the gage portion was also visualized for the comparison with real images.
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