Bi-2212前驱粉末的制备

来源 :稀有金属材料与工程 | 被引量 : 0次 | 上传用户：xueyupiaoling

【摘要】

：

采用共沉淀法制备了不同化学计量比的Bi-2212前驱粉末,系统地研究了空气、纯氧和氩氧混合气氛对粉末相组成、粒度和碳含量的影响.通过对成相烧结过程相变规律的研究提出了对

【作者】

：

江林

【出处】

：

稀有金属材料与工程

【发表日期】

：

2004年期

【关键词】

：

Bi-2212粉末 XRD 相含量粒度碳含量

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

采用共沉淀法制备了不同化学计量比的Bi-2212前驱粉末,系统地研究了空气、纯氧和氩氧混合气氛对粉末相组成、粒度和碳含量的影响.通过对成相烧结过程相变规律的研究提出了对最终装管前粉末中特征相(如Bi-2212,2201,14∶24AEC等)的控制方法,得到了主相纯度高、各相分布均匀、粒度适宜和碳含量较低的前驱粉末.

其他文献

Flow and heat transfer of nanofluid past stretching/shrinking sheet with partial slip boundary condi

The boundary layer flow of a nanofluid past a stretching/shrinking sheet with hydrodynamic and thermal slip boundary conditions is studied. Numerical solutions

期刊

boundary layerheat transfernanofluidstretching/shrinkingdual solution

Three-dimensional elasticity solutions for bending of generally supported thick functionally graded

Three-dimensional elasticity solutions for static bending of thick functionally graded plates are presented using a hybrid semi-analytical approach-the state-sp

期刊

functionally grade materialthick platethree-dimensional solutionsemi-analytic

Effect of magnesium addition on inclusions in H13 die steel

The effect of magnesium addition on the number, morphology, composition, size, and density of inclusions in H13 die steel was studied. The results show that the

期刊

die steelinclusionsmagnesiumdeoxidationthermodynamics

Power transmission through double-walled laminated composite panels considering porous layer-air gap

The acoustic behavior of double-walled laminated composite panels consisting of two porous and air gap middle layers is studied within the classical laminated p

期刊

laminated composite platedouble panelsound transmission lossporous materials

Study of corrosion protection of the composite fdms on A356 aluminum alloy

Composite films were fabricated on A356 aluminum alloy by combined anodizing and rare earth deposition.The corrosion protection effect and corrosion behavior of

期刊

aluminum alloyanodizingrare earth Ce filmEIScorrosion resistance

Bauxite washing for the removal of clay

Clay impurities associated with bauxite negatively affect the Bayer process for alumina production. These impurities should be removed as far as possible by a b

期刊

beneficiationbauxitewashingclayBayer process

Research on microwave electromagnetic properties of Tb-Fe-Cr ahoy

The Tb-Fe-Cr alloy powders were prepared by the arc melting method and high energy ball milling.The phase structure and the microstructure of the alloys powders

期刊

Tb-Fe-Cr alloymicrowave absorberhigh energy ball millingreflectivityrare ear

中国特大城市建设投融资现状与展望

近年来中国城市建设投融资结构已经发生较大变化,投资主体多元化趋势日益显著,但投资主体多元化格局尚未完全形成.因此必须创新投融资模式,探索城市建设投融资长期有效的融资

期刊

特大城市市政收益债券公私合作投资模式

Effect of boron addition on the microstructure and stress-rupture properties of directionally solidi

This study is focused on the effect of boron addition, in the range of 0.0007wt% to 0.03wt%, on the microstructure and stress-rupture properties of a directiona

期刊

superalloysdirectional solidificationmicrostructureboronstress-rupture prope

Hard magnetization direction and its relation with magnetic permeability of highly grain-oriented el

The magnetic properties of highly grain-oriented electrical steel vary along different directions. In order to investigate these prop-erties, standard Epstein s

期刊

electrical steelmagnetization directionmagnetic permeabilitymathematical mode

Bi-2212前驱粉末的制备

与本文相关的学术论文