WEAR-RESISTANT COMPOSITE ROLL EXCELLENT IN CRACK PROPAGATING RESISTANCE
PURPOSE:To suppress the crack propagation generated on the surface of a roll by specifying the compsn. of an outer core layer and imparting specified compressive stress to the outer core layer. CONSTITUTION:The compsn. of the outer core layer of the composite roll is constituted of, by weight, 1.0 t...
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| creator | HATTORI TOSHIYUKI NAWATA RYOSAKU MATSUNAGA EIHACHIROU |
| description | PURPOSE:To suppress the crack propagation generated on the surface of a roll by specifying the compsn. of an outer core layer and imparting specified compressive stress to the outer core layer. CONSTITUTION:The compsn. of the outer core layer of the composite roll is constituted of, by weight, 1.0 to 3.5% C, |
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CONSTITUTION:The compsn. of the outer core layer of the composite roll is constituted of, by weight, 1.0 to 3.5% C, <=3.0% Si, <=1.5% Mn, 2 to 7% Cr, <=5% Ni, <=9% Mo, <=20% W and 3 to 15% V, and the balance substantial Fe. As the internal layer, forged steel or cast steel is used. Furthermore, compressive residual stress of 15 to 35kg/mm or above is imparted to the surface of the outer core layer. This composite roll is subjected to heat treatment, by which, preferably, the Shore hardness on the surface of the roll is regulated to >=70HS, the reduction in the hardness per 100mm in a direction of the depth of the outer core layer is regulated to about 3HS, the tensile strength of the outer core layer is regulated to >=70kg/mm and the fracture toughness value KIC is regulated to >=70kg/mm<3/2>.]]></description><edition>5</edition><language>eng</language><subject>ALLOYS ; CHEMISTRY ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; FERROUS OR NON-FERROUS ALLOYS ; MACHINE TOOLS ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; PERFORMING OPERATIONS ; PUNCHING METAL ; ROLLING OF METAL ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>1994</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=19940506&DB=EPODOC&CC=JP&NR=H06122937A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940506&DB=EPODOC&CC=JP&NR=H06122937A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HATTORI TOSHIYUKI</creatorcontrib><creatorcontrib>NAWATA RYOSAKU</creatorcontrib><creatorcontrib>MATSUNAGA EIHACHIROU</creatorcontrib><title>WEAR-RESISTANT COMPOSITE ROLL EXCELLENT IN CRACK PROPAGATING RESISTANCE</title><description><![CDATA[PURPOSE:To suppress the crack propagation generated on the surface of a roll by specifying the compsn. of an outer core layer and imparting specified compressive stress to the outer core layer. CONSTITUTION:The compsn. of the outer core layer of the composite roll is constituted of, by weight, 1.0 to 3.5% C, <=3.0% Si, <=1.5% Mn, 2 to 7% Cr, <=5% Ni, <=9% Mo, <=20% W and 3 to 15% V, and the balance substantial Fe. As the internal layer, forged steel or cast steel is used. Furthermore, compressive residual stress of 15 to 35kg/mm or above is imparted to the surface of the outer core layer. This composite roll is subjected to heat treatment, by which, preferably, the Shore hardness on the surface of the roll is regulated to >=70HS, the reduction in the hardness per 100mm in a direction of the depth of the outer core layer is regulated to about 3HS, the tensile strength of the outer core layer is regulated to >=70kg/mm and the fracture toughness value KIC is regulated to >=70kg/mm<3/2>.]]></description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>MACHINE TOOLS</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING METAL</subject><subject>ROLLING OF METAL</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAPd3UM0g1yDfYMDnH0C1Fw9vcN8A_2DHFVCPL38VFwjXB29fFxBUp4-ik4Bzk6eysEBPkHOLo7hnj6uSvA9Dm78jCwpiXmFKfyQmluBkU31xBnD93Ugvz41OKCxOTUvNSSeK8ADwMzQyMjS2NzR2Ni1AAAClUtHQ</recordid><startdate>19940506</startdate><enddate>19940506</enddate><creator>HATTORI TOSHIYUKI</creator><creator>NAWATA RYOSAKU</creator><creator>MATSUNAGA EIHACHIROU</creator><scope>EVB</scope></search><sort><creationdate>19940506</creationdate><title>WEAR-RESISTANT COMPOSITE ROLL EXCELLENT IN CRACK PROPAGATING RESISTANCE</title><author>HATTORI TOSHIYUKI ; NAWATA RYOSAKU ; MATSUNAGA EIHACHIROU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH06122937A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>MACHINE TOOLS</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING METAL</topic><topic>ROLLING OF METAL</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>HATTORI TOSHIYUKI</creatorcontrib><creatorcontrib>NAWATA RYOSAKU</creatorcontrib><creatorcontrib>MATSUNAGA EIHACHIROU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HATTORI TOSHIYUKI</au><au>NAWATA RYOSAKU</au><au>MATSUNAGA EIHACHIROU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>WEAR-RESISTANT COMPOSITE ROLL EXCELLENT IN CRACK PROPAGATING RESISTANCE</title><date>1994-05-06</date><risdate>1994</risdate><abstract><![CDATA[PURPOSE:To suppress the crack propagation generated on the surface of a roll by specifying the compsn. of an outer core layer and imparting specified compressive stress to the outer core layer. CONSTITUTION:The compsn. of the outer core layer of the composite roll is constituted of, by weight, 1.0 to 3.5% C, <=3.0% Si, <=1.5% Mn, 2 to 7% Cr, <=5% Ni, <=9% Mo, <=20% W and 3 to 15% V, and the balance substantial Fe. As the internal layer, forged steel or cast steel is used. Furthermore, compressive residual stress of 15 to 35kg/mm or above is imparted to the surface of the outer core layer. This composite roll is subjected to heat treatment, by which, preferably, the Shore hardness on the surface of the roll is regulated to >=70HS, the reduction in the hardness per 100mm in a direction of the depth of the outer core layer is regulated to about 3HS, the tensile strength of the outer core layer is regulated to >=70kg/mm and the fracture toughness value KIC is regulated to >=70kg/mm<3/2>.]]></abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM |
| title | WEAR-RESISTANT COMPOSITE ROLL EXCELLENT IN CRACK PROPAGATING RESISTANCE |
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