{"_buckets": {"deposit": "f087ecfc-e205-4791-bb74-8db8a32047f8"}, "_deposit": {"id": "2001333", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "2001333"}, "status": "published"}, "_oai": {"id": "oai:u-ryukyu.repo.nii.ac.jp:02001333", "sets": ["1642837768395", "1642838405037"]}, "author_link": [], "item_1617186331708": {"attribute_name": "Title", "attribute_value_mlt": [{"subitem_1551255647225": "Characteristics of Corrosive Wear of Coated High-Speed Steel Tools", "subitem_1551255648112": "en"}, {"subitem_1551255647225": "\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u9ad8\u901f\u5ea6\u92fc\u5de5\u5177\u306e\u8150\u98df\u6469\u8017\u7279\u6027", "subitem_1551255648112": "ja"}]}, "item_1617186419668": {"attribute_name": "Creator", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Fukuda, Hideaki", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Banshoya, Kaoru", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Murase, Yasuhide", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "\u798f\u7530, \u82f1\u662d", "creatorNameLang": "ja"}]}, {"creatorNames": [{"creatorName": "\u756a\u5320\u8c37, \u85ab", "creatorNameLang": "ja"}]}, {"creatorNames": [{"creatorName": "\u6751\u702c, \u5b89\u82f1", "creatorNameLang": "ja"}]}]}, "item_1617186476635": {"attribute_name": "Access Rights", "attribute_value_mlt": [{"subitem_1522299639480": "open access", "subitem_1600958577026": "http://purl.org/coar/access_right/c_abf2"}]}, "item_1617186626617": {"attribute_name": "Description", "attribute_value_mlt": [{"subitem_description": "To clarify the characteristics of corrosive wear of coated high-speed steel tools in high moisture-content Douglas-fir (Psuedotsuga menziesii Franco) cutting, tool-life tests were conducted with a whirling disc-machine. Three kinds of coated tools and uncoated tools were prepared. Both rake faces and clearance faces of the tools were coated with either TiN, TiCN, or CrN by physical vapor deposition (PVD) method. The thickness of thin-film for each coated tool was 2-3 \u03bcm. In the tool-life tests, electrical-potential of +1 kV, 0 V, or \u20141 kV was applied to the tool by use of a direct-current power supply. From scanning electron microscope observations conducted after the tool-life tests, delamination of thin-film for each coated tool was viewed. The degree of delamination was the largest under +1 kV, and the smallest under \u20141 kV. Among measurements of tool wear, edge recession under 0 V for CrN-coated tools was the smallest among all of the tools. The CrN-coated tool was superior to the other tools in reducing the progression of edge recession. The differences in edge recession under \u20141 kV for the three kinds of coated tools were not detectable. The tool-wear progression under +1 kV for all tools occurred quickly. By regarding edge recession at \u20141 kV as being caused by a mechanical wear mechanism, the ratio of corrosive wear to the total edge recession under 0 V could be obtained. The value for uncoated tools was 55% and was the largest. The value for CrN-coated tools was 43% and was the smallest.", "subitem_description_type": "Other"}, {"subitem_description": 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