{"_buckets": {"deposit": "65df00e4-7bd0-45b0-9543-2b3d1a44bf7d"}, "_deposit": {"id": "26034", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "26034"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:00026034"}, "item_7_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Measurement of the casting time of titanium by the centrifugal system and pressure system"}]}, "item_7_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1992-06", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "1", "bibliographicPageEnd": "33", "bibliographicPageStart": "27", "bibliographicVolumeNumber": "22", "bibliographic_titles": [{"bibliographic_title": "\u65b0\u6f5f\u6b6f\u5b66\u4f1a\u96d1\u8a8c"}, {"bibliographic_title": "\u65b0\u6f5f\u6b6f\u5b66\u4f1a\u96d1\u8a8c", "bibliographic_titleLang": "en"}]}]}, "item_7_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "The aime of this study was to measure the casting time of titanium casting into the coil pattern by means of thermocouple method using either the centrifugal casting unit or pressure- differential casting unit. The following results were obtained. (1) With centrifugal casting unit, the more the spring prewinds, the shorter was the casting time. In the case of coil pattern of 4 mm in diameter and at room temperature mold, for example, the casting time was 0.03 sec at 35 spring prewinds . (2) With pressure-differential casting unit, the casting time was scattered from 0.05 to 0.09 sec under the casting pressure of 1.4kg/cm^2, for example, when pattern diameter was 4 mm and the mold temperature was about 500 to 700\u2103. On the contrary, in the case of 2 mm diameter coil pattern and 500 to 700\u2103 mold, the higher the pressure the shorter was the casting time. In conclusion, the casting time by the centrifugal casting unit is half as short as that of the pressure-differential casting unit under the manufacture\u0027s instruction.", "subitem_description_type": "Abstract"}, {"subitem_description": 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