The influence of ultrasonic-vibration on hot upsetting of aluminum alloy

Jung Chung Hung, Ching-Hua Hung*

*Corresponding author for this work

研究成果: Article同行評審

77 引文 斯高帕斯(Scopus)

摘要

The traditional ultrasonic apparatus cannot be operated at high temperature, explaining why the effect of ultrasonic-vibration on high temperature metal forming has seldom been addressed in literature. This study establishes an ultrasonic-vibration hot upsetting system. A cooling mechanism is used to solve the problem of high temperature. The effects of temperature and strain rate during ultrasonic-vibration on the upsetting of aluminum alloy were explored using this new system. Experimental results indicate that ultrasonic-vibration can considerably reduces the compressive forces during hot upsetting. The reducing effect on compressive forces decreases while the temperature increases. The strain rate does not significantly affect the reducing effect on compressive forces.

原文English
頁(從 - 到)692-698
頁數7
期刊Ultrasonics
43
發行號8
DOIs
出版狀態Published - 1 八月 2005

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