{"_buckets": {"deposit": "e18ada84-5679-49d0-856b-cb6340c9889d"}, "_deposit": {"id": "4190", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "4190"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:00004190"}, "item_5_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Solid State Reaction between Nb_2O_5 and the Compounds in the System Al_2O_3-Y_2O_3"}]}, "item_5_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1982-11", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "11", "bibliographicPageEnd": "658", "bibliographicPageStart": "653", "bibliographicVolumeNumber": "90", "bibliographic_titles": [{"bibliographic_title": "\u7aaf\u696d\u5354\u6703\u8a8c"}, {"bibliographic_title": "\u7aaf\u696d\u5354\u6703\u8a8c", "bibliographic_titleLang": "en"}]}]}, "item_5_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Nb_2O_5\u713c\u7d50\u4f53\u30683\u7a2e\u985e\u306eAl_2O_3-Y_2O_3 \u7cfb\u5316\u5408\u7269(5Al_2O_3\u30fb3Y_2O_3, Al_2O_3\u30fbY_2O_3, Al_2O_3\u30fb2Y_2O_3)\u713c\u7d50\u4f53\u3092\u91cd\u306d\u5408\u308f\u305b\u3066\u62e1\u6563\u5bfe\u3068\u3057, \u5927\u6c17\u4e2d, 1250\u2103\u301c1325\u2103\u3067\u52a0\u71b1\u3057\u305f.\u751f\u6210\u3059\u308b\u53cd\u5fdc\u5c64\u3092X\u7dda\u30de\u30a4\u30af\u30ed\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u5206\u6790\u53ca\u3073X\u7dda\u56de\u6298\u306b\u3088\u308a\u6e2c\u5b9a\u3057, Nb_2O_5\u3068Al_2O_3-Y_2O_3\u7cfb\u5316\u5408\u7269\u3068\u306e\u56fa\u76f8\u53cd\u5fdc\u3092\u8abf\u3079\u305f. Nb_2O_5\u306eAl_2O_3-Y_2O_3 \u7cfb\u5316\u5408\u7269\u3078\u306e\u4e00\u65b9\u62e1\u6563\u306b\u3088\u308a, Al_2O_3\u30fbNb_2O_5\u53ca\u3073Y_2O_3\u30fbNb_2O_5\u304c\u751f\u6210\u3057\u305f.\u53cd\u5fdc\u5c64\u5185\u306b\u751f\u6210\u3057\u305fAl_2O_3\u30fbNb_2O_5\u306f\u9577\u7403\u5f62, Y_2O_3\u30fbNb_2O_5\u306f\u7403\u5f62\u306e\u5f62\u72b6\u3092\u3057\u3066\u304a\u308a, \u5404\u3005\u306e\u7c92\u5b50\u306f\u96c6\u5408\u4f53\u3068\u3057\u3066\u504f\u5728\u3057\u3066\u3044\u305f,\u53cd\u5fdc\u5f8c, \u51b7\u5374\u306b\u969b\u3057\u3066Nb_2O_5\u5c64\u3068\u53cd\u5fdc\u5c64\u306e\u71b1\u81a8\u8139\u7387\u306e\u5dee\u306b\u3088\u308a, \u305d\u308c\u3089\u306e\u754c\u9762\u3067\u306f\u304f\u96e2\u304c\u8d77\u3053\u3063\u305f.\u53cd\u5fdc\u5c64\u306e\u539a\u5316\u9060\u5ea6\u306fx^2=2D_\u003cnb\u003et\u5f0f\u306b\u5f93\u3044, \u898b\u639b\u3051\u306e\u6d3b\u6027\u5316\u30a8\u30cd\u30eb\u30ae\u30fc\u306f90\u301c95kcal/mol\u3067\u3042\u3063\u305f.", "subitem_description_type": "Abstract"}, {"subitem_description": "Solid state reactions between sintered Nb_2O_5 and three kinds of Al_2O_3-Y_2O_3 compounds (5 Al_2O_3\u30fb3Y_2O_3, Al_2O_3\u30fbY_2O_3, Al_2O_3\u30fb2Y_2O_3) have been studied at the temperature range from 1250\u2103 to 1325\u2103 in air. The reaction product formed at the interface were examined by using EPMA and X-ray diffraction. The following results were obtained : Al_2O_3\u30fbNb_2O_5 and Y_2O_3\u30fbNb_2O_5 were formed by the one-way diffusion of Nb_2O_5 into the compounds in the system Al_2O_3-Y_2O_3. The ellipsoidal particles of Al_2O_3\u30fbNb_2O_5 and the spherical particles of Y_2O_3\u30fbNb_2O_5 were unevenly distributed with the aggregation state in the reaction layers. The observed separation of reaction couples was probably due to the difference of thermal expansion coefficients between the reaction products and Nb_2O_5. The reaction rate \"x\" followed the parabolic law \"x^2=D_\u003cNb\u003et\", and the apparent activation energy was 90\u301c95 kcal/mol.", "subitem_description_type": "Abstract"}]}, "item_5_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "47991", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Hotta, Noriyasu"}]}, {"nameIdentifiers": [{"nameIdentifier": "47992", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Saito, Natsukaze"}]}, {"nameIdentifiers": [{"nameIdentifier": "47993", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Matsuo, Shigetomo"}]}, {"nameIdentifiers": [{"nameIdentifier": "47994", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Matsushita, Toru"}]}]}, "item_5_publisher_7": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u7aaf\u696d\u5354\u4f1a"}]}, "item_5_relation_31": {"attribute_name": "\u7570\u7248\u3067\u3042\u308b", 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