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Superconducting and Electrical Resistivity of HTS Bi-2223 Doped by (Cr2O3:SnO)x Nanoparticles KHALIL Huda1,2,a*, KASHYOUT Abdelhady1,b, Hemeda Osama2,c, Meaz Talaat2,d 1Electronic Materials Research Department, Advanced Technology and New Materials Research Institution (ATNMRI), City of scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt 2Physics Department, Faculty of Science, Tanta University, Tanta, Egypt a*PG_127762@science.tanta.edu.eg, a*hudafarid85@gmail.com, bhady8@yahoo.com, comhemeda@yahoo.co.uk‬, ‬dtmeaz@yahoo.com‬ Keywords: Bi-2223 phase, (Cr2O3:SnO) nanoparticles, resistivity, superconductors, HTS(High Temperature Superconductivity) Abstract.
The addition of metal oxides in superconductor materials has been considered to be one of the most promising materials for large scale applications in superconducting industry.
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Fig .2 Metallography of the material SEM analysis Fig.3 is the fracture morphology of the cathode materials.
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These methods are all able to detect defects within materials that contain voids or delaminations.
Developing the experimental PPT technique using solid insert style defects in materials. 2.
Test specimens – Materials with inserts Initial tests were carried out using samples of materials with known defects.
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The materials yield, plastic fluid, softening, and the plastic strain after yield can be analyzed precisely by FLAC, furthermore static and dynamic analysis also behave very well.
The test model is shown in Fig.2 and material parameter is given in table.1.
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The rate diagrams correspond in form to those previously obtained [6, 7] for materials with these doping levels.
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