CAJ | 학술논문

目的：研究探索完好鸡蛋与裂纹鸡蛋的抗压性及振动响应信号的区别。方法利用准静态压缩分析完好禽蛋和裂纹禽蛋蛋壳表面不同位置抗压特性，通过动态敲击分析研究完好鸡蛋与裂纹鸡蛋的区别。结果完好鸡蛋与裂纹鸡蛋的时域及频域信号有很大区别。裂纹鸡蛋裂纹处的硬度与其他位置的硬度有显著性差异， P-value值最小达8.54×10-6。结论本研究通过分析振动响应信号为鸡蛋裂纹的无损检测提供了理论依据，而裂纹鸡蛋蛋壳硬度的分析对降低鸡蛋在运输贮存造成的机械损伤有重要意义。
목적：연구탐색완호계단여렬문계단적항압성급진동향응신호적구별。방법이용준정태압축분석완호금단화렬문금단단각표면불동위치항압특성，통과동태고격분석연구완호계단여렬문계단적구별。결과완호계단여렬문계단적시역급빈역신호유흔대구별。렬문계단렬문처적경도여기타위치적경도유현저성차이， P-value치최소체8.54×10-6。결론본연구통과분석진동향응신호위계단렬문적무손검측제공료이론의거，이렬문계단단각경도적분석대강저계단재운수저존조성적궤계손상유중요의의。
Objective To explore the difference of anti-compression characteristics and vibration re-sponse signals between intact and cracked eggs. Methods Quasi-static compression was employed to detect the anti-compression characteristics of intact eggs and different location of cracked eggs, dynamic impacting test was used to detect the differences between intact and cracked eggs. Structural stiffness of cracked egg is destroyed and the anti-compression ability is reduced compared with intact egg. Results Differences of stiff-ness between different locations were significant, with minimum P-value of 8.45×10-6. The differences of time domain signals and frequency signals between intact and cracked eggs were obvious. Conclusion Non-destructive testing of eggshell crack will be improved by analyzing vibration response signals. Based on the study on stiffness of cracked eggshell, mechanical stress will be reduced during transportation and storage.