Stress/strain induced flux pinning in highly dense MgB2 bulks

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dc.contributor.authorZeng, Ren_AU
dc.contributor.authorDou, SXen_AU
dc.contributor.authorLu, Len_AU
dc.contributor.authorLi, WXen_AU
dc.contributor.authorPoh, CKen_AU
dc.contributor.authorKim, JHen_AU
dc.contributor.authorHorvat, Jen_AU
dc.contributor.authorShi, DQen_AU
dc.contributor.authorWang, JLen_AU
dc.contributor.authorMunroe, Pen_AU
dc.contributor.authorWang, XFen_AU
dc.contributor.authorZheng, RKen_AU
dc.contributor.authorRinger, SPen_AU
dc.contributor.authorRindfleisch, Men_AU
dc.contributor.authorTomsic, Men_AU
dc.date.accessioned2013-11-12T00:06:42Zen_AU
dc.date.available2013-11-12T00:06:42Zen_AU
dc.date.issued2009-06-01en_AU
dc.date.statistics2009-11-12en_AU
dc.description.abstractWe have systematically studied the flux pinning behavior of MgB(2) bulks synthesized by direct diffusion of Mg into pressed pellets of high purity crystalline B powder, with and without mixing with C and SiC nanoparticles, at a reaction temperature of 850 degrees C for 10 hrs. All of the samples showed very high purity and high density, but their microstructure and flux pinning behavior showed significant differences. It was found that the pure MgB(2) agrees with the delta T(c) pinning model, nano-C doped MgB(2) agrees with the delta l pinning model, while the SiC + MgB(2) composite agrees with the delta epsilon pinning model (stress/strain field pinning), since the dominant micro-defects that influence the flux pinning in these three samples are different. © 2009, Institute of Electrical and Electronics Engineers (IEEE)en_AU
dc.identifier.citationZeng, R., Dou, S. X., Lu, L., Li, W. X., Poh, C. K., Kim, J. H., Horvat, J., Shi, D. Q., Wang, J. L., Munroe, P., Wang, X. F., Zheng, R. K., Ringer, S. P., Rindfleisch, M., & Tomsic, M. (2009). Stress/strain induced flux pinning in highly dense MgB2 bulks. IEEE Transactions on Applied Superconductivity, 19 (3), 2722-2725. doi:10.1109/tasc.2009.2019577en_AU
dc.identifier.govdoc5126en_AU
dc.identifier.issn1051-8223en_AU
dc.identifier.issue3en_AU
dc.identifier.journaltitleIEEE Transactions on Applied Superconductivityen_AU
dc.identifier.pagination2722-2725en_AU
dc.identifier.urihttp://dx.doi.org/10.1109/tasc.2009.2019577en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4939en_AU
dc.identifier.volume19en_AU
dc.language.isoenen_AU
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en_AU
dc.subjectStrainsen_AU
dc.subjectStressesen_AU
dc.subjectMagnetic fluxen_AU
dc.subjectBehavioren_AU
dc.subjectPowdersen_AU
dc.subjectMicrostructureen_AU
dc.titleStress/strain induced flux pinning in highly dense MgB2 bulksen_AU
dc.typeJournal Articleen_AU
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