增材制造NbC增强金属基复合材料综合实验设计  

Comprehensive experiment design of additive manufacturing NbC reinforced metal matrix composites

作　　者：迟静[1] 李敏[1] 李志超 吴杰[1] CHI Jing;LI Min;LI Zhichao;WU Jie(College of Materials Science and Engineering,Shandong University of Science and Technology,Qingdao 266590,China)

机构地区：[1]山东科技大学材料科学与工程学院,山东青岛266590

出　　处：《实验技术与管理》2023年第7期92-96,共5页Experimental Technology and Management

基　　金：国家自然科学基金项目(52005304);山东省研究生教育优质课程建设项目(SDYKC20061);山东省本科高校教学改革研究项目(M2021291);山东科技大学公派访问学者资助项目(山东科技大学人事函[2021]7号);山东科技大学优秀教学团队建设计划项目(JXTD20190507)。

摘　　要：设计了增材制造NbC增强金属基复合材料(MMCs)的综合教学实验。采用等离子增材制造技术,制备了原位NbC增强MMCs,借助XRD、SEM、EDS等表征手段,探究了NbC的原位生成量与含量变化对MMCs组织细化、硬度和耐摩擦磨损性能的影响及其增强机理。将先进绿色制造技术的研究前沿引入实验教学,有助于培养学生的专业实验技能、科学研究素养和创新兴趣。The comprehensive teaching experiment for additive manufacturing of NbC-reinforced metal matrix composites(MMCs)was designed.Using plasma additive manufacturing technology,in-situ NbC reinforced MMCs were prepared.The effects of in-situ formation and content change of NbC on the microstructure refinement,hardness,friction and wear resistance of MMCs were investigated by means of XRD,SEM,EDS and other characterization methods,and the strengthening mechanism was discussed as well.It can help cultivate students'professional experimental skills,scientific research literacy and innovation interest that the research frontier of advanced green manufacturing technology is introduced into experimental teaching.

关 键 词：综合教学实验 等离子束 金属基复合材料 NBC 

分 类 号：G642.423[文化科学—高等教育学] TB331[文化科学—教育学]