CAJ | 학술논문

塑性加工过程中，对模具或坯料施加低频振动可以改善材料塑性，降低成形力，改善组织，使组织细密均匀，提升力学性能，提高抗拉强度，且由于低频振动功率大、技术简单，更容易实现工业化。文章揭示了低频振动式塑性加工的工作机理，分析了低频振动在理论研究和工业应用的现状，对典型低频振动塑性加工技术进行了剖析，并就低频振动存在的问题和发展进行了探讨。
소성가공과정중，대모구혹배료시가저빈진동가이개선재료소성，강저성형력，개선조직，사조직세밀균균，제승역학성능，제고항랍강도，차유우저빈진동공솔대、기술간단，경용역실현공업화。문장게시료저빈진동식소성가공적공작궤리，분석료저빈진동재이론연구화공업응용적현상，대전형저빈진동소성가공기술진행료부석，병취저빈진동존재적문제화발전진행료탐토。
Low frequency vibration applied on dies or blank during the plastic forming process can improve the material plasticity , reduce the forming force , refine the grain structure , improve the mechanical properties and the tensile strength . For its high power and easier to achieve industrialization , the plastic forming technology superimposed low frequency vibration has become a new research hotspot .This paper expounds the mechanism of the plastic forming with low frequency vibration ,and introduces its current state of theoretical research and industrial applications .Several typical plastic processing technologies with low frequency vibration are analyzed , and both the insufficient and future development are also discussed in the end .