CAJ | 학술논문

为了揭示 SiCp/Al 复合材料超声振动加工的去除机理，开展针对 SiCp/Al 复合材料的超声振动辅助划痕(UVAS)和普通划痕对比实验，从划痕形貌方面进行UVAS和普通划痕对比分析。结果表明，普通划痕凹槽处出现大颗粒的破碎，而 UVAS 凹槽表面则呈现较多的细小碎屑；超声划痕的材料去除率比普通划痕的大。超声振动的引入对改善加工表面形貌有明显作用，是SiCp/Al精密加工的有效方法。
위료게시 SiCp/Al 복합재료초성진동가공적거제궤리，개전침대 SiCp/Al 복합재료적초성진동보조화흔(UVAS)화보통화흔대비실험，종화흔형모방면진행UVAS화보통화흔대비분석。결과표명，보통화흔요조처출현대과립적파쇄，이 UVAS 요조표면칙정현교다적세소쇄설；초성화흔적재료거제솔비보통화흔적대。초성진동적인입대개선가공표면형모유명현작용，시SiCp/Al정밀가공적유효방법。
It was proposed in this paper to conduct ultrasonic vibration-assisted scratch(UVAS)test with single particle diamond indenter on SiCp/Al composite to study the removal mechanism.Tests were done to compare the material removal of SiCp/Al under UVAS and traditional scratches in terms of scratch morphology in order to find the material removal mechanism of the composites.It was shown that large particles were obserseved in grooves caused by traditional scratches,but small chipping were found in the grooves of ultrasonic scrathes, which indicated material removal ratio of ultrasonic scrathes was higher than that of traditional ones.To sum up,it was an effective way to study the matrial removal mechanism of SiCp/Al composite with UVAS.