CAJ | 학술논문

　　针对目前混镍粉电火花腐蚀制备纳米空心镍球，存在着蚀除电极金属液滴与工作液中的小气泡不能充分结合，形成中空结构的问题，采用创新设计方法及知识库进行解决。根据实际工况，构建问题物-场模型，在知识库中搜索多种场，获得相应的解决方案。运用模糊评价法对多种方案进行评价与排序，挑选出最优方案---采用超声波场代替原有的机械场，开发出超声波制备纳米空心镍球装置，较好地改善了原有系统制备空心镍球的质量和效率。
　　침대목전혼얼분전화화부식제비납미공심얼구，존재착식제전겁금속액적여공작액중적소기포불능충분결합，형성중공결구적문제，채용창신설계방법급지식고진행해결。근거실제공황，구건문제물-장모형，재지식고중수색다충장，획득상응적해결방안。운용모호평개법대다충방안진행평개여배서，도선출최우방안---채용초성파장대체원유적궤계장，개발출초성파제비납미공심얼구장치，교호지개선료원유계통제비공심얼구적질량화효솔。
In current preparation of nanometer-sized hollow nickel spheres by nickel powder-mixed spark erosion ,ablative nickel droplets and small bubbles in the working liquid could not be fully integrated to form the hollow structure .The problem could be solved by adopting innovation de-sign methods and knowledge base .According to the actual working condition ,a substance-field model was settled and a variety of corresponding solutions were caught by searching multiple fields in the knowledge base .The solutions were evaluated and sorted by fuzzy evaluation meth-od ,then ,the optimal solution was selected that replacing the original mechanical field with ultra-sonic filed .Thus ,preparation of nanometer-sized hollow nickel spheres by ultrasonic device was introduced ,it could improve the quality and efficiency of preparation of hollow nickel spheres .