Characterization of hot isostatically pressed Bi-Sr-Ca-Cu-O as a function of consolidation variables
Conference
·
OSTI ID:10117693
- Argonne National Lab., IL (United States)
- Marquette Univ., Milwaukee, WI (United States)
Fully dense, bulk Bi{sub 2}Sr{sub 1.7}CaCu{sub 2}O{sub x} (2212) superconductor pellets were made by hot isostatic pressing in an inert atmosphere. Electron microscopy revealed that rotation and bending of the platelike 2212 grains were responsible for much of the densification. Under processing conditions of 825{degrees}C and 105 MPa, dense pellets were obtained in 15 min. Many dislocations, planar faults, and, perhaps, intergrowths of the Bi{sub 2}Sr{sub 2}CuO{sub x} phase were produced during pressing. The dislocations were largely present in subgrain boundaries when the pressing times were increased to 45--120 min.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10117693
- Report Number(s):
- ANL/CP--73717; CONF-911202--47; ON: DE92006980
- Country of Publication:
- United States
- Language:
- English
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