Improvement in the transport critical current density and microstructure of isotopic Mg(11)B2 monofilament wires by optimizing the sintering temperature.
Identifieur interne : 001577 ( PubMed/Corpus ); précédent : 001576; suivant : 001578Improvement in the transport critical current density and microstructure of isotopic Mg(11)B2 monofilament wires by optimizing the sintering temperature.
Auteurs : Wenbin Qiu ; Hyunseock Jie ; Dipak Patel ; Yao Lu ; Vladimir Luzin ; Arnaud Devred ; Mehmet Somer ; Mohammed Shahabuddin ; Jung Ho Kim ; Zongqing Ma ; Shi Xue Dou ; Md Shahriar Al HossainSource :
- Scientific reports [ 2045-2322 ] ; 2016.
Abstract
Superconducting wires are widely used in fabricating magnetic coils in fusion reactors. In consideration of the stability of (11)B against neutron irradiation and lower induced radio-activation properties, MgB2 superconductor with (11)B serving as boron source is an alternative candidate to be used in fusion reactor with severe irradiation environment. In present work, a batch of monofilament isotopic Mg(11)B2 wires with amorphous (11)B powder as precursor were fabricated using powder-in-tube (PIT) process at different sintering temperature, and the evolution of their microstructure and corresponding superconducting properties was systemically investigated. Accordingly, the best transport critical current density (Jc) = 2 × 10(4) A/cm(2) was obtained at 4.2 K and 5 T, which is even comparable to multi-filament Mg(11)B2 isotope wires reported in other work. Surprisingly, transport Jc vanished in our wire which was heat-treated at excessively high temperature (800 °C). Combined with microstructure observation, it was found that lots of big interconnected microcracks and voids that can isolate the MgB2 grains formed in this whole sample, resulting in significant deterioration in inter-grain connectivity. The results can be a constructive guide in fabricating Mg(11)B2 wires to be used as magnet coils in fusion reactor systems such as ITER-type tokamak magnet.
DOI: 10.1038/srep36660
PubMed: 27824144
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Improvement in the transport critical current density and microstructure of isotopic Mg(11)B2 monofilament wires by optimizing the sintering temperature.</title><author><name sortKey="Qiu, Wenbin" sort="Qiu, Wenbin" uniqKey="Qiu W" first="Wenbin" last="Qiu">Wenbin Qiu</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Jie, Hyunseock" sort="Jie, Hyunseock" uniqKey="Jie H" first="Hyunseock" last="Jie">Hyunseock Jie</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Patel, Dipak" sort="Patel, Dipak" uniqKey="Patel D" first="Dipak" last="Patel">Dipak Patel</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Lu, Yao" sort="Lu, Yao" uniqKey="Lu Y" first="Yao" last="Lu">Yao Lu</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Luzin, Vladimir" sort="Luzin, Vladimir" uniqKey="Luzin V" first="Vladimir" last="Luzin">Vladimir Luzin</name><affiliation><nlm:affiliation>Australian Nuclear Science Technology Organisation (ANSTO), Lucas Heights, NSW 2232, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Devred, Arnaud" sort="Devred, Arnaud" uniqKey="Devred A" first="Arnaud" last="Devred">Arnaud Devred</name><affiliation><nlm:affiliation>ITER Organization, 13115 Saint Paul Lez Durance, France.</nlm:affiliation></affiliation></author><author><name sortKey="Somer, Mehmet" sort="Somer, Mehmet" uniqKey="Somer M" first="Mehmet" last="Somer">Mehmet Somer</name><affiliation><nlm:affiliation>Koc University, Chemistry Department, Rumelifeneri Yolu, TR-34450 Sariyer-Istanbul, Turkey.</nlm:affiliation></affiliation></author><author><name sortKey="Shahabuddin, Mohammed" sort="Shahabuddin, Mohammed" uniqKey="Shahabuddin M" first="Mohammed" last="Shahabuddin">Mohammed Shahabuddin</name><affiliation><nlm:affiliation>Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.</nlm:affiliation></affiliation></author><author><name sortKey="Kim, Jung Ho" sort="Kim, Jung Ho" uniqKey="Kim J" first="Jung Ho" last="Kim">Jung Ho Kim</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Ma, Zongqing" sort="Ma, Zongqing" uniqKey="Ma Z" first="Zongqing" last="Ma">Zongqing Ma</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Dou, Shi Xue" sort="Dou, Shi Xue" uniqKey="Dou S" first="Shi Xue" last="Dou">Shi Xue Dou</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Hossain, Md Shahriar Al" sort="Hossain, Md Shahriar Al" uniqKey="Hossain M" first="Md Shahriar Al" last="Hossain">Md Shahriar Al Hossain</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27824144</idno><idno type="pmid">27824144</idno><idno type="doi">10.1038/srep36660</idno><idno type="wicri:Area/PubMed/Corpus">001577</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001577</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Improvement in the transport critical current density and microstructure of isotopic Mg(11)B2 monofilament wires by optimizing the sintering temperature.</title><author><name sortKey="Qiu, Wenbin" sort="Qiu, Wenbin" uniqKey="Qiu W" first="Wenbin" last="Qiu">Wenbin Qiu</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Jie, Hyunseock" sort="Jie, Hyunseock" uniqKey="Jie H" first="Hyunseock" last="Jie">Hyunseock Jie</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Patel, Dipak" sort="Patel, Dipak" uniqKey="Patel D" first="Dipak" last="Patel">Dipak Patel</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Lu, Yao" sort="Lu, Yao" uniqKey="Lu Y" first="Yao" last="Lu">Yao Lu</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Luzin, Vladimir" sort="Luzin, Vladimir" uniqKey="Luzin V" first="Vladimir" last="Luzin">Vladimir Luzin</name><affiliation><nlm:affiliation>Australian Nuclear Science Technology Organisation (ANSTO), Lucas Heights, NSW 2232, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Devred, Arnaud" sort="Devred, Arnaud" uniqKey="Devred A" first="Arnaud" last="Devred">Arnaud Devred</name><affiliation><nlm:affiliation>ITER Organization, 13115 Saint Paul Lez Durance, France.</nlm:affiliation></affiliation></author><author><name sortKey="Somer, Mehmet" sort="Somer, Mehmet" uniqKey="Somer M" first="Mehmet" last="Somer">Mehmet Somer</name><affiliation><nlm:affiliation>Koc University, Chemistry Department, Rumelifeneri Yolu, TR-34450 Sariyer-Istanbul, Turkey.</nlm:affiliation></affiliation></author><author><name sortKey="Shahabuddin, Mohammed" sort="Shahabuddin, Mohammed" uniqKey="Shahabuddin M" first="Mohammed" last="Shahabuddin">Mohammed Shahabuddin</name><affiliation><nlm:affiliation>Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.</nlm:affiliation></affiliation></author><author><name sortKey="Kim, Jung Ho" sort="Kim, Jung Ho" uniqKey="Kim J" first="Jung Ho" last="Kim">Jung Ho Kim</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Ma, Zongqing" sort="Ma, Zongqing" uniqKey="Ma Z" first="Zongqing" last="Ma">Zongqing Ma</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Dou, Shi Xue" sort="Dou, Shi Xue" uniqKey="Dou S" first="Shi Xue" last="Dou">Shi Xue Dou</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Hossain, Md Shahriar Al" sort="Hossain, Md Shahriar Al" uniqKey="Hossain M" first="Md Shahriar Al" last="Hossain">Md Shahriar Al Hossain</name><affiliation><nlm:affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Scientific reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Superconducting wires are widely used in fabricating magnetic coils in fusion reactors. In consideration of the stability of (11)B against neutron irradiation and lower induced radio-activation properties, MgB2 superconductor with (11)B serving as boron source is an alternative candidate to be used in fusion reactor with severe irradiation environment. In present work, a batch of monofilament isotopic Mg(11)B2 wires with amorphous (11)B powder as precursor were fabricated using powder-in-tube (PIT) process at different sintering temperature, and the evolution of their microstructure and corresponding superconducting properties was systemically investigated. Accordingly, the best transport critical current density (Jc) = 2 × 10(4) A/cm(2) was obtained at 4.2 K and 5 T, which is even comparable to multi-filament Mg(11)B2 isotope wires reported in other work. Surprisingly, transport Jc vanished in our wire which was heat-treated at excessively high temperature (800 °C). Combined with microstructure observation, it was found that lots of big interconnected microcracks and voids that can isolate the MgB2 grains formed in this whole sample, resulting in significant deterioration in inter-grain connectivity. The results can be a constructive guide in fabricating Mg(11)B2 wires to be used as magnet coils in fusion reactor systems such as ITER-type tokamak magnet.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">27824144</PMID><DateCreated><Year>2016</Year><Month>11</Month><Day>08</Day></DateCreated><DateRevised><Year>2017</Year><Month>02</Month><Day>20</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>6</Volume><PubDate><Year>2016</Year><Month>Nov</Month><Day>08</Day></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Improvement in the transport critical current density and microstructure of isotopic Mg(11)B2 monofilament wires by optimizing the sintering temperature.</ArticleTitle><Pagination><MedlinePgn>36660</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/srep36660</ELocationID><Abstract><AbstractText>Superconducting wires are widely used in fabricating magnetic coils in fusion reactors. In consideration of the stability of (11)B against neutron irradiation and lower induced radio-activation properties, MgB2 superconductor with (11)B serving as boron source is an alternative candidate to be used in fusion reactor with severe irradiation environment. In present work, a batch of monofilament isotopic Mg(11)B2 wires with amorphous (11)B powder as precursor were fabricated using powder-in-tube (PIT) process at different sintering temperature, and the evolution of their microstructure and corresponding superconducting properties was systemically investigated. Accordingly, the best transport critical current density (Jc) = 2 × 10(4) A/cm(2) was obtained at 4.2 K and 5 T, which is even comparable to multi-filament Mg(11)B2 isotope wires reported in other work. Surprisingly, transport Jc vanished in our wire which was heat-treated at excessively high temperature (800 °C). Combined with microstructure observation, it was found that lots of big interconnected microcracks and voids that can isolate the MgB2 grains formed in this whole sample, resulting in significant deterioration in inter-grain connectivity. The results can be a constructive guide in fabricating Mg(11)B2 wires to be used as magnet coils in fusion reactor systems such as ITER-type tokamak magnet.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Qiu</LastName><ForeName>Wenbin</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jie</LastName><ForeName>Hyunseock</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Patel</LastName><ForeName>Dipak</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Yao</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Luzin</LastName><ForeName>Vladimir</ForeName><Initials>V</Initials><AffiliationInfo><Affiliation>Australian Nuclear Science Technology Organisation (ANSTO), Lucas Heights, NSW 2232, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Devred</LastName><ForeName>Arnaud</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>ITER Organization, 13115 Saint Paul Lez Durance, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Somer</LastName><ForeName>Mehmet</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Koc University, Chemistry Department, Rumelifeneri Yolu, TR-34450 Sariyer-Istanbul, Turkey.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shahabuddin</LastName><ForeName>Mohammed</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kim</LastName><ForeName>Jung Ho</ForeName><Initials>JH</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ma</LastName><ForeName>Zongqing</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dou</LastName><ForeName>Shi Xue</ForeName><Initials>SX</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hossain</LastName><ForeName>Md Shahriar Al</ForeName><Initials>MS</Initials><AffiliationInfo><Affiliation>Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>11</Month><Day>08</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Sci Rep</MedlineTA><NlmUniqueID>101563288</NlmUniqueID><ISSNLinking>2045-2322</ISSNLinking></MedlineJournalInfo><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Nature. 2001 Mar 1;410(6824):63-4</RefSource><PMID Version="1">11242039</PMID></CommentsCorrections></CommentsCorrectionsList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>07</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>10</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>11</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>11</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>11</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27824144</ArticleId><ArticleId IdType="pii">srep36660</ArticleId><ArticleId IdType="doi">10.1038/srep36660</ArticleId><ArticleId IdType="pmc">PMC5099691</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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