【摘 要】
：
Phases of Cu-(0.4%-2.0%) Cr-(0.05%-0.16%) Zr alloys were analyzed in both as cast and deformed state.Solute-rich clusters of Cr, which was supposed to form duri
【机 构】
：
Suzhou Institute for Nonferrous Metal Research,State Key Laboratory for Fabrication and Processing o
【基金项目】
：
国家高技术研究发展计划(863计划)
论文部分内容阅读
Phases of Cu-(0.4%-2.0%) Cr-(0.05%-0.16%) Zr alloys were analyzed in both as cast and deformed state.Solute-rich clusters of Cr, which was supposed to form during aging treatment, were observed in as cast state;along with the morphology character, corresponding preferential orientation of Cr phase in as cast state was also investigated. Precipitates were observed to distribute in the matrix with a bimodal distribution, viz.coarse precipitates with dimension larger than several hundred nanometers and fine precipitates with size of 2-10 nm. Three types of intermetallics, the common compound of Cu51Zr14, correspondingly infrequent Cu5Zr and rare Cu8Zr3, were characterized in different samples.
其他文献
随着城市建设速度的加快，每年都有不少房屋被拆掉，建筑垃圾的数量也在与日俱增。建筑垃圾是指：新建、改建、扩建、维修、装修和拆除各类建筑物、构筑物、管网等过程中产生的弃土
这种大自然的平衡在不断被打乱和破坏,我们应认识到高碳排放引起自然灾害的严峻性,更应以积极的态度和行为应对新的挑战,作为建设工作者,寻求建筑的节能、绿色及低碳是分内之
随着我国社会经济的高速发展,为工业企业的发展创造了良好的条件,同时也对工业企业提出了更高的要求。化工机械设备时工业发展的一项重要工具,对化工企业的发展有着重要的影
语文课堂姓语,语文老师就要教出语文味.语文教学追寻的是简简单单,一种更高层次的返璞归真,是对语文学习本质的一种回归,是学生自身主动意识的一种彰显.一个细小的环节,一个
本文介绍了数据仓库的概念和发展,民航快递信息系统的应用情况及产生的问题,民航快递信息系统建立数据仓库的必要性.提出了民航快递建立数据仓库所涉及的数据模型.讨论了在Or
During efficiency evaluating by DEA, the inputs and outputs of DMUs may be intervals because of insufficient information or measure error. For this reason, inte
预应力混凝土是一门新技术,它是在构件承受外荷载前,预先在构件的受拉区对混凝土施加预压力,这种压力通常称为预应力.提高了构件的抗裂度和刚度.但是在混凝土施工过程中施工
山西省大同市,是一座具有悠久历史文化的古城,素有龙壁之城的美称,龙壁数量众多,其中的大同观音堂明代琉璃三龙壁不仅是古代建筑中的艺术奇葩,更是具有独立艺术价值的古代艺
HSE管理体系是质量管理体系、环境管理体系、职业健康安全管理体系的简称,这三种管理体系的管理方法是相容的,有很大的共性。HSE管理指组织运用系统分析方法,对其经营活动全
The systematical studies of Zr-based BMGs were summarized in terms of their compositional design and their structural characterization. In particular, several k