{"_buckets": {"deposit": "b1ba1d46-1b24-4c3d-bbb0-228d8cd8f0ba"}, "_deposit": {"id": "12459", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "12459"}, "status": "published"}, "_oai": {"id": "oai:soar-ir.repo.nii.ac.jp:00012459", "sets": ["1222"]}, "author_link": ["37949", "37950", "37951", "37952", "37953"], "item_1628147817048": {"attribute_name": "出版タイプ", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_ab4af688f83e57aa", "subitem_version_type": "AM"}]}, "item_6_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2009-07", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "5", "bibliographicPageEnd": "1850", "bibliographicPageStart": "1845", "bibliographicVolumeNumber": "35", "bibliographic_titles": [{"bibliographic_title": "CERAMICS INTERNATIONAL"}]}]}, "item_6_description_20": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "Dense submicron-grained alumina ceramics were fabricated by pulse electric current sintering (PECS) using M(2+)(M: Mg, Ca, Ni)-doped alumina nanopowders at 1250 degrees C under a uniaxial pressure of 80 MPa. The M(2+)-doped alumina nanopowders (0-0.10 mass%) were prepared through a new sol-gel route using high-purity polyhydroxoaluminum (PHA) and MCl(2) solutions as starting materials. The composite gels obtained were calcined at 900 degrees C and ground by planetary ball milling. The powders were re-calcined at 900 degrees C to increase the content of a-alumina particles, which act as seeding for low-temperature densification. Densification and microstructural development depend on the M(2+) dopant species. Dense alumina ceramics (relative density \u003e= 99.0%) thus obtained had a uniform microstructure composed of fine grains, where the average grain size developed for non-doped, Ni-doped, Mg-doped and Ca-doped samples was 0.67, 0.67, 0.47 and 0.30 mu m, respectively, showing that Ca-doping is the most promising method for tailoring of nanocrystalline alumina ceramics. (c) 2008 Elsevier Ltd and Techna Group S.r.l. All rights reserved.", "subitem_description_type": "Abstract"}]}, "item_6_description_30": {"attribute_name": "資源タイプ（コンテンツの種類）", "attribute_value_mlt": [{"subitem_description": "Article", "subitem_description_type": "Other"}]}, "item_6_description_5": {"attribute_name": "引用", "attribute_value_mlt": [{"subitem_description": "CERAMICS INTERNATIONAL. 35(5):1845-1850 (2009)", "subitem_description_type": "Other"}]}, "item_6_link_3": {"attribute_name": "信州大学研究者総覧へのリンク", "attribute_value_mlt": [{"subitem_link_text": "Yamaguchi, Tomohiro", "subitem_link_url": "http://soar-rd.shinshu-u.ac.jp/profile/ja.WVnVbpkh.html"}, {"subitem_link_text": "Taruta, Seiichi", "subitem_link_url": "http://soar-rd.shinshu-u.ac.jp/profile/ja.OacaZVkh.html"}]}, "item_6_link_67": {"attribute_name": "WoS", "attribute_value_mlt": [{"subitem_link_text": "Web of Science", "subitem_link_url": "http://gateway.isiknowledge.com/gateway/Gateway.cgi?\u0026GWVersion=2\u0026SrcAuth=ShinshuUniv\u0026SrcApp=ShinshuUniv\u0026DestLinkType=FullRecord\u0026DestApp=WOS\u0026KeyUT=000266524700017"}]}, "item_6_publisher_4": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "ELSEVIER SCI LTD"}]}, "item_6_relation_48": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_name": [{"subitem_relation_name_text": "10.1016/j.ceramint.2008.10.007"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://doi.org/10.1016/j.ceramint.2008.10.007", "subitem_relation_type_select": "DOI"}}]}, "item_6_rights_62": {"attribute_name": "権利", "attribute_value_mlt": [{"subitem_rights": "Copyright© 2008 Elsevier Ltd and Techna Group S.r.l."}]}, "item_6_select_64": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "author"}]}, "item_6_source_id_35": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0272-8842", "subitem_source_identifier_type": "ISSN"}]}, "item_6_source_id_39": {"attribute_name": "NII ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0272-8842", "subitem_source_identifier_type": "ISSN"}]}, "item_6_source_id_40": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AA10622625", "subitem_source_identifier_type": "NCID"}]}, "item_6_text_69": {"attribute_name": "wosonly authkey", "attribute_value_mlt": [{"subitem_text_value": "Sintering; Sol-gel processes; Grain size; Al(2)O(3)"}]}, "item_6_text_70": {"attribute_name": "wosonly keywords", "attribute_value_mlt": [{"subitem_text_value": "ABNORMAL GRAIN-GROWTH; SOL-GEL; POLYCRYSTALLINE ALUMINA; POWDERS; STRENGTH; SIZE; MICROSTRUCTURE; TRANSFORMATION; DENSIFICATION; GAMMA-AL2O3"}]}, "item_6_textarea_68": {"attribute_name": "wosonly abstract", "attribute_value_mlt": [{"subitem_textarea_value": "Dense submicron-grained alumina ceramics were fabricated by pulse electric current sintering (PECS) using M(2+)(M: Mg, Ca, Ni)-doped alumina nanopowders at 1250 degrees C under a uniaxial pressure of 80 MPa. The M(2+)-doped alumina nanopowders (0-0.10 mass%) were prepared through a new sol-gel route using high-purity polyhydroxoaluminum (PHA) and MCl(2) solutions as starting materials. The composite gels obtained were calcined at 900 degrees C and ground by planetary ball milling. The powders were re-calcined at 900 degrees C to increase the content of a-alumina particles, which act as seeding for low-temperature densification. Densification and microstructural development depend on the M(2+) dopant species. Dense alumina ceramics (relative density \u003e= 99.0%) thus obtained had a uniform microstructure composed of fine grains, where the average grain size developed for non-doped, Ni-doped, Mg-doped and Ca-doped samples was 0.67, 0.67, 0.47 and 0.30 mu m, respectively, showing that Ca-doping is the most promising method for tailoring of nanocrystalline alumina ceramics. (c) 2008 Elsevier Ltd and Techna Group S.r.l. All rights reserved."}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Odaka,  Atsushi"}], "nameIdentifiers": [{"nameIdentifier": "37949", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Yamaguchi,  Tomohiro"}], "nameIdentifiers": [{"nameIdentifier": "37950", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Hida,  Masahiro"}], "nameIdentifiers": [{"nameIdentifier": "37951", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Taruta,  Seiichi"}], "nameIdentifiers": [{"nameIdentifier": "37952", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Kitajima,  Kunio"}], "nameIdentifiers": [{"nameIdentifier": "37953", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2015-09-28"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "Fabrication_Submicron_Alumina_Ceramics.pdf", "filesize": [{"value": "1.0 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 1000000.0, "url": {"label": "Fabrication_Submicron_Alumina_Ceramics.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/12459/files/Fabrication_Submicron_Alumina_Ceramics.pdf"}, "version_id": "74af0e57-0c0d-4821-99aa-d15a09c61b4b"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "Sintering", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Sol-gel processes", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Grain size", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Al(2)O(3)", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Fabrication of submicron alumina ceramics by pulse electric current sintering using M(2+) (M = Mg, Ca, Ni)-doped alumina nanopowders", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Fabrication of submicron alumina ceramics by pulse electric current sintering using M(2+) (M = Mg, Ca, Ni)-doped alumina nanopowders", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1222"], "permalink_uri": "http://hdl.handle.net/10091/13535", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2012-02-22"}, "publish_date": "2012-02-22", "publish_status": "0", "recid": "12459", "relation": {}, "relation_version_is_last": true, "title": ["Fabrication of submicron alumina ceramics by pulse electric current sintering using M(2+) (M = Mg, Ca, Ni)-doped alumina nanopowders"], "weko_shared_id": -1}