【摘 要】
：
Ce-TZP/Al2O3 nanocomposites were prepared from mixture of self-made Ce-TZP nanometer powder and commercial Al2O3 powder by hot-pressing method. Influences of na
【机 构】
：
Department of Materials Science and Engineering,Materials and Structures Laboratory
【基金项目】
：
Educational Fund of Jiangxi province;江西省海洋科学工程中心资助项目
论文部分内容阅读
Ce-TZP/Al2O3 nanocomposites were prepared from mixture of self-made Ce-TZP nanometer powder and commercial Al2O3 powder by hot-pressing method. Influences of nanometer ZrO2 particles on the mechanical properties and microstructure of Ce-TZP/Al2O3 ceramics were investigated. Meanwhile, t→m transformation toughening mechanism was investigated by x-ray diffractometry (XRD) method, and deflection of samples under applied stress were recorded too. The results show that when the percentage of ZrO2 was 20%, the mechanical properties and microstructures of materials were preferential. Additionally, TEM observation show that dislocation structures form both in the Al2O3 grain and on the Al2O3grain boundary.
其他文献
目的:观察沙利度胺联合联合干扰素α-2b方案治疗原发性骨髓纤维化的疗效及其不良反应。方法:对11例初始原发性骨髓纤维化患者使用沙利度胺治疗,治疗起始量为200mg/天,每晚口
目的:探讨TVT-0治疗压力性尿失禁的术前术后护理要点.方法:针对行TVT-0术的患者进行充分、精心和细致周到的术前、术后护理.结果:80例患者恢复良好,3例出现排尿困难,经留置尿
水稻高产是稻作研完的主要目标.水稻高产的关键因子包括遗传特性、环境因子以及群体结构3个方面.遣传特性是影响水稻产量的主要内因,而光照、温度、湿度、C0,浓度、土壤养分
建三江农垦通信公司下设15个通信分公司,现有在职干部、职工316人,本地网通信线路发展到2875公里,程控交换机总容量达96834线,固定电话装机达到33695部,宽带用户14023户,行业
兴趣，是指人们积极探索某种事物或进行某种活动的心理倾向和情感态度。兴趣是促进学生学习的兴奋剂，是学生获取知识的巨大内驱力。学生一旦对所学的内容产生兴趣就会产生出巨大
科学家正在用一种新方法来满足世界对肉食口益增长的需求。这就是在实验室培养皿里培养的“培养肉”或称试管肉，而非从被屠宰的家畜身上获得的肉，这种肉或许能成为解决养活整个
本文针对农学专业的的特点,阐述了专业教学实习的重要性和提高专业教学实习的措施,以期为提高专业教学实习质量提供一定的借鉴.
保护和发展森林资源是林业工作的根本,是深化林业改革,加快林业发展。适应社会主义市场经济的迫切需要。我国虽然实现了森林面积和蓄积量双增长,但仍是一个少林国家,森林资源
The paper presents the results of wear and metallography tests of tool steel grades: ASTM A681, Chl2M and Ch12FS per GOST, AMS 6437E i BS X46Cr13, all surface h
Microstructure evolution of a single crystal nickel-base superalloy during heat treatment and tensile creep at1010℃ and 248 MPa for 30h was observed and analyz