INFLUENCE OF THE SINTERING TEMPERATURE ONSTRUCTURE, ELECTRIC AND MECHANICALPROPERTIES OF THE POLYCRYSTALLINE(Bi,Pb):2223 SUPERCONDUCTORS

A.V. POP; ROXANA COLDEA; C.LUNG; GABRIELA STIUFIUC; MARIANA POP

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INFLUENCE OF THE SINTERING TEMPERATURE ONSTRUCTURE, ELECTRIC AND MECHANICALPROPERTIES OF THE POLYCRYSTALLINE(Bi,Pb):2223 SUPERCONDUCTORS

机译：烧结温度（Bi，Pb）：2223超导体的温度结构，电学和力学性能的影响

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Bulk superconducting materials with nominal composition(Bi_(1.6)Pb_(0.4))(Sr_(1,8)Ba_(0,2))Ca_2Cu_3O_ywere synthesized by solid state reaction method byusing different sintering temperature ( in the range 840°C- 850°C). X-raydiffraction pattern shows that in all samples the majority phase is 2223, with sometraces of Bi:2212. The electrical properties of the samples were examined byelectrical resistance versus temperature, R(T). By using the linear behavior forR(T), the influence of sintering temperature on the parameters related to inter-grainresistivity and the percolation conduction were evaluated. To study the mechanicalproperties of Bi:2223 samples, Vickers micro hardness were measured. The variationof micro hardness with load is nonlinear, and described by Mayer's law.

机译：使用不同的烧结温度（在840°C-850范围内）通过固态反应方法合成了标称组成为（Bi_（1.6）Pb_（0.4））（Sr_（1,8）Ba_（0,2））Ca_2Cu_3O_y的块状超导材料°C）。 X射线衍射图表明，在所有样品中，主要相为2223，具有一些痕量的Bi：2212。通过电阻对温度R（T）检验样品的电性能。通过使用R（T）的线性行为，评估了烧结温度对与晶间电阻率和渗流传导相关的参数的影响。为了研究Bi：2223样品的力学性能，测量了维氏显微硬度。显微硬度随载荷的变化是非线性的，并由迈耶定律描述。

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《Studia Universitatis Babes-Bolyai. Series Physica》 |2009年第1期|共8页
作者
A.V. POP; ROXANA COLDEA; C.LUNG; GABRIELA STIUFIUC; MARIANA POP;
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正文语种 eng
中图分类物理学;
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Bi2223 bulk HTS; different sintering temperature; X-ay diffraction; electric resistance; Vickers micro hardness;

机译：Bi2223块状高温超导;不同的烧结温度;X-ay衍射;电阻;维氏显微硬度;

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1. INFLUENCE OF THE SINTERING TEMPERATURE ONSTRUCTURE, ELECTRIC AND MECHANICALPROPERTIES OF THE POLYCRYSTALLINE(Bi,Pb):2223 SUPERCONDUCTORS [J] . A.V. POP, ROXANA COLDEA, C.LUNG, Studia Universitatis Babes-Bolyai. Series Physica . 2009,第1期

机译：烧结温度（Bi，Pb）：2223超导体的温度结构，电学和力学性能的影响
2. Intergranular critical current density in polycrystalline (Bi-Pb)-2223 high temperature superconductor by ac susceptibility measurements [J] . A. Ray, T. K. Dey, S. K. Ghatak Journal of Superconductivity . 2002,第3期

机译：多晶（Bi-Pb）-2223高温超导体的晶间临界电流密度通过磁化率测量
3. Intergranular critical current density in polycrystalline (Bi-Pb)-2223 high temperature superconductor by ac susceptibility measurements [J] . A. Ray, T. K. Dey, S. K. Ghatak Journal of Superconductivity . 2002,第3期

机译：多晶（Bi-Pb）-2223高温超导体的晶间临界电流密度通过磁化率测量
4. Effects of sintering parameters on the superconducting properties of Ag-sheathed Bi(Pb)2223 tapes [C] . A. Baldini, E. Borchi, S. Conti, European conference on applied superconductivity . 1995

机译：烧结参数对Ag-Seathed Bi（Pb）2223胶带超导性能的影响
5. Electrical transport in ultrathin films of a-bismuth at low temperatures and high magnetic fields near the superconductor -insulator transition. [D] . Hernandez, Luis Manuel. 2002

机译：在超导体-绝缘体转变附近的低温和高磁场下，a铋超薄膜的电传输。
6. Influence of W substitution on crystal structure phase evolution and microwave dielectric properties of (Na0.5Bi0.5)MoO4 ceramics with low sintering temperature [O] . Li-Xia Pang, Di Zhou, Ze-Ming Qi, -1

机译：钨替代对低烧结温度下（Na0.5Bi0.5）MoO4陶瓷晶体结构相变和微波介电性能的影响
7. Effect of MgO content on the formation and superconducting properties of the (Bi,Pb)-2223 phase in the partial-melting and sintering process [O] . Lu X. Y., Nagata A., Kamio D., 2001

机译：MgO含量对（Bi，Pb）-2223相在部分熔融和烧结过程中形成和超导性能的影响
8. Enhancement of critical currents in (Bi,Pb)(sub 2)Sr(sub 2)Ca(sub 2)Cu(sub 3)O(sub y) (Bi-2223) superconducting tapes. [R] . Balachandran, U. 1998

机译：增强（Bi，pb）（sub 2）sr（sub 2）Ca（sub 2）Cu（sub 3）O（sub y）（Bi-2223）超导带中的临界电流。

INFLUENCE OF THE SINTERING TEMPERATURE ONSTRUCTURE, ELECTRIC AND MECHANICALPROPERTIES OF THE POLYCRYSTALLINE(Bi,Pb):2223 SUPERCONDUCTORS

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