Cemented carbide inserts for notch and wear demanding turning in heat resistant super alloys (HRSA) and stainless steels
The present invention relates to a cutting insert particularly useful for turning in heat resistant super alloys and stainless steels comprising a substrate and a coating. The substrate comprises WC from about 5 to about 7 wt-% Co and from about 0.15 to about 0.60 wt-% TaC and from about 0.10 to abo...
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| creator | MARTENSSON MALIN,AHLGREN MATS,NORDGREN ANDERS,WAHLQUIST KERSTIN,ASTRAND MARIA |
| description | The present invention relates to a cutting insert particularly useful for turning in heat resistant super alloys and stainless steels comprising a substrate and a coating. The substrate comprises WC from about 5 to about 7 wt-% Co and from about 0.15 to about 0.60 wt-% TaC and from about 0.10 to about 0.50 wt-% NbC and balance WC, has a coercivity of from about 19.5 to about 24.5 kA/m and a CW-ratio between from about 0.85 to about 1.00. The coating comprises a homogeneous AlxTi1-xN-layer with x=from about 0.6 to about 0.7 and a thickness of greater than about 1 mum but less than about 3.8 mum. |
| format | Patent |
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The substrate comprises WC from about 5 to about 7 wt-% Co and from about 0.15 to about 0.60 wt-% TaC and from about 0.10 to about 0.50 wt-% NbC and balance WC, has a coercivity of from about 19.5 to about 24.5 kA/m and a CW-ratio between from about 0.85 to about 1.00. The coating comprises a homogeneous AlxTi1-xN-layer with x=from about 0.6 to about 0.7 and a thickness of greater than about 1 mum but less than about 3.8 mum.</description><language>eng</language><subject>ALLOYS ; BORING ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT ; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; FERROUS OR NON-FERROUS ALLOYS ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MACHINE TOOLS ; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; PERFORMING OPERATIONS ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; TURNING</subject><creationdate>2007</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=20070620&DB=EPODOC&CC=CN&NR=1982050A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070620&DB=EPODOC&CC=CN&NR=1982050A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MARTENSSON MALIN,AHLGREN MATS,NORDGREN ANDERS,WAHLQUIST KERSTIN,ASTRAND MARIA</creatorcontrib><title>Cemented carbide inserts for notch and wear demanding turning in heat resistant super alloys (HRSA) and stainless steels</title><description>The present invention relates to a cutting insert particularly useful for turning in heat resistant super alloys and stainless steels comprising a substrate and a coating. The substrate comprises WC from about 5 to about 7 wt-% Co and from about 0.15 to about 0.60 wt-% TaC and from about 0.10 to about 0.50 wt-% NbC and balance WC, has a coercivity of from about 19.5 to about 24.5 kA/m and a CW-ratio between from about 0.85 to about 1.00. 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MARIA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1982050A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2007</creationdate><topic>ALLOYS</topic><topic>BORING</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT</topic><topic>DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>MACHINE TOOLS</topic><topic>MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>TURNING</topic><toplevel>online_resources</toplevel><creatorcontrib>MARTENSSON MALIN,AHLGREN MATS,NORDGREN ANDERS,WAHLQUIST KERSTIN,ASTRAND MARIA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MARTENSSON MALIN,AHLGREN MATS,NORDGREN ANDERS,WAHLQUIST KERSTIN,ASTRAND MARIA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Cemented carbide inserts for notch and wear demanding turning in heat resistant super alloys (HRSA) and stainless steels</title><date>2007-06-20</date><risdate>2007</risdate><abstract>The present invention relates to a cutting insert particularly useful for turning in heat resistant super alloys and stainless steels comprising a substrate and a coating. The substrate comprises WC from about 5 to about 7 wt-% Co and from about 0.15 to about 0.60 wt-% TaC and from about 0.10 to about 0.50 wt-% NbC and balance WC, has a coercivity of from about 19.5 to about 24.5 kA/m and a CW-ratio between from about 0.85 to about 1.00. The coating comprises a homogeneous AlxTi1-xN-layer with x=from about 0.6 to about 0.7 and a thickness of greater than about 1 mum but less than about 3.8 mum.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BORING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TURNING |
| title | Cemented carbide inserts for notch and wear demanding turning in heat resistant super alloys (HRSA) and stainless steels |
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