CEMENTED CARBIDE, CUTTING TOOL CONTAINING THE SAME, AND METHOD OF MANUFACTURING CEMENTED CARBIDE
Cemented carbide contains first hard-phase particles containing WC, second hard-phase particles which contain carbonitride containing at least Ti and Nb, and a metallic binder phase containing an iron-group element. The second hard-phase particle includes a granular core portion. The core portion co...
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| creator | FUKAE, Kosuke MICHIUCHI, Masato GOTOU, Hiroaki TSUDA, Keiichi |
| description | Cemented carbide contains first hard-phase particles containing WC, second hard-phase particles which contain carbonitride containing at least Ti and Nb, and a metallic binder phase containing an iron-group element. The second hard-phase particle includes a granular core portion. The core portion contains composite carbonitride expressed as Ti1−X−YNbXWYC1−ZNZ, where X is not smaller than 0.1 and not greater than 0.2, Y is not smaller than 0 and not greater than 0.05, and Z is not smaller than 0.3 and not greater than 0.6. The cemented carbide has an absolute value of a difference not greater than 10, between a ratio (%) of an area occupied by the second hard-phase particles at a surface thereof and a ratio (%) of an area occupied by the second hard-phase particles in a region extending from the surface by 0.5 mm in a direction of depth. |
| format | Patent |
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The second hard-phase particle includes a granular core portion. The core portion contains composite carbonitride expressed as Ti1−X−YNbXWYC1−ZNZ, where X is not smaller than 0.1 and not greater than 0.2, Y is not smaller than 0 and not greater than 0.05, and Z is not smaller than 0.3 and not greater than 0.6. The cemented carbide has an absolute value of a difference not greater than 10, between a ratio (%) of an area occupied by the second hard-phase particles at a surface thereof and a ratio (%) of an area occupied by the second hard-phase particles in a region extending from the surface by 0.5 mm in a direction of depth.</description><language>eng</language><subject>ALLOYS ; BORING ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; MILLING ; PERFORMING OPERATIONS ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; TURNING</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210128&DB=EPODOC&CC=US&NR=2021025038A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210128&DB=EPODOC&CC=US&NR=2021025038A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUKAE, Kosuke</creatorcontrib><creatorcontrib>MICHIUCHI, Masato</creatorcontrib><creatorcontrib>GOTOU, Hiroaki</creatorcontrib><creatorcontrib>TSUDA, Keiichi</creatorcontrib><title>CEMENTED CARBIDE, CUTTING TOOL CONTAINING THE SAME, AND METHOD OF MANUFACTURING CEMENTED CARBIDE</title><description>Cemented carbide contains first hard-phase particles containing WC, second hard-phase particles which contain carbonitride containing at least Ti and Nb, and a metallic binder phase containing an iron-group element. The second hard-phase particle includes a granular core portion. The core portion contains composite carbonitride expressed as Ti1−X−YNbXWYC1−ZNZ, where X is not smaller than 0.1 and not greater than 0.2, Y is not smaller than 0 and not greater than 0.05, and Z is not smaller than 0.3 and not greater than 0.6. The cemented carbide has an absolute value of a difference not greater than 10, between a ratio (%) of an area occupied by the second hard-phase particles at a surface thereof and a ratio (%) of an area occupied by the second hard-phase particles in a region extending from the surface by 0.5 mm in a direction of depth.</description><subject>ALLOYS</subject><subject>BORING</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>METALLURGY</subject><subject>MILLING</subject><subject>PERFORMING OPERATIONS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>TURNING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZEhwdvV19QtxdVFwdgxy8nRx1VFwDg0J8fRzVwjx9_dRcPb3C3H09APzPVwVgh19gSoc_VwUfF1DPPxdFPzdFHwd_ULdHJ1DQoNAqtDN42FgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8aHBRgZGhgZGpgbGFo6GxsSpAgDzHzOp</recordid><startdate>20210128</startdate><enddate>20210128</enddate><creator>FUKAE, Kosuke</creator><creator>MICHIUCHI, Masato</creator><creator>GOTOU, Hiroaki</creator><creator>TSUDA, Keiichi</creator><scope>EVB</scope></search><sort><creationdate>20210128</creationdate><title>CEMENTED CARBIDE, CUTTING TOOL CONTAINING THE SAME, AND METHOD OF MANUFACTURING CEMENTED CARBIDE</title><author>FUKAE, Kosuke ; MICHIUCHI, Masato ; GOTOU, Hiroaki ; TSUDA, Keiichi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2021025038A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2021</creationdate><topic>ALLOYS</topic><topic>BORING</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>MILLING</topic><topic>PERFORMING OPERATIONS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>TURNING</topic><toplevel>online_resources</toplevel><creatorcontrib>FUKAE, Kosuke</creatorcontrib><creatorcontrib>MICHIUCHI, Masato</creatorcontrib><creatorcontrib>GOTOU, Hiroaki</creatorcontrib><creatorcontrib>TSUDA, Keiichi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FUKAE, Kosuke</au><au>MICHIUCHI, Masato</au><au>GOTOU, Hiroaki</au><au>TSUDA, Keiichi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CEMENTED CARBIDE, CUTTING TOOL CONTAINING THE SAME, AND METHOD OF MANUFACTURING CEMENTED CARBIDE</title><date>2021-01-28</date><risdate>2021</risdate><abstract>Cemented carbide contains first hard-phase particles containing WC, second hard-phase particles which contain carbonitride containing at least Ti and Nb, and a metallic binder phase containing an iron-group element. The second hard-phase particle includes a granular core portion. The core portion contains composite carbonitride expressed as Ti1−X−YNbXWYC1−ZNZ, where X is not smaller than 0.1 and not greater than 0.2, Y is not smaller than 0 and not greater than 0.05, and Z is not smaller than 0.3 and not greater than 0.6. The cemented carbide has an absolute value of a difference not greater than 10, between a ratio (%) of an area occupied by the second hard-phase particles at a surface thereof and a ratio (%) of an area occupied by the second hard-phase particles in a region extending from the surface by 0.5 mm in a direction of depth.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BORING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MILLING PERFORMING OPERATIONS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TURNING |
| title | CEMENTED CARBIDE, CUTTING TOOL CONTAINING THE SAME, AND METHOD OF MANUFACTURING CEMENTED CARBIDE |
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