CEMENTED CARBIDE CONTAINING TUNGSTEN CARBIDE AND IRON ALLOY BINDER
A sintered cemented carbide body including tungsten carbide, and a substantially cobalt-free binder including an iron-based alloy sintered with the tungsten carbide. The iron-based alloy is approximately 2-25% of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. Th...
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| creator | Dowding, Robert J Pittari, III, John J Murdoch, Heather A Swab, Jeffrey J Hornbuckle, Billy C Darling, Kristopher A Kilczewski, Steven M |
| description | A sintered cemented carbide body including tungsten carbide, and a substantially cobalt-free binder including an iron-based alloy sintered with the tungsten carbide. The iron-based alloy is approximately 2-25% of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may be approximately 90 wt % and the iron-based alloy may be approximately 10 wt % of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may comprise a substantially same size before and after undergoing sintering. The iron-based alloy may be sintered with the tungsten carbide using a uniaxial hot pressing process, a spark plasma sintering process, or a pressureless sintering process. The sintered tungsten carbide and iron-based alloy has a hardness value of at least 15 GPa and a fracture toughness value of at least 11 MPa√m. |
| format | Patent |
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The iron-based alloy is approximately 2-25% of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may be approximately 90 wt % and the iron-based alloy may be approximately 10 wt % of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may comprise a substantially same size before and after undergoing sintering. The iron-based alloy may be sintered with the tungsten carbide using a uniaxial hot pressing process, a spark plasma sintering process, or a pressureless sintering process. 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The iron-based alloy is approximately 2-25% of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may be approximately 90 wt % and the iron-based alloy may be approximately 10 wt % of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may comprise a substantially same size before and after undergoing sintering. The iron-based alloy may be sintered with the tungsten carbide using a uniaxial hot pressing process, a spark plasma sintering process, or a pressureless sintering process. The sintered tungsten carbide and iron-based alloy has a hardness value of at least 15 GPa and a fracture toughness value of at least 11 MPa√m.</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHBydvV19QtxdVFwdgxy8nRxVXD29wtx9PTz9HNXCAn1cw8OcfWDyzn6uSh4Bvn7KTj6-PhHKjh5-rm4BvEwsKYl5hSn8kJpbgZlN9cQZw_d1IL8-NTigsTk1LzUkvjQYCMDIwMDIxNzAyNHQ2PiVAEAh84rvg</recordid><startdate>20200123</startdate><enddate>20200123</enddate><creator>Dowding, Robert J</creator><creator>Pittari, III, John J</creator><creator>Murdoch, Heather A</creator><creator>Swab, Jeffrey J</creator><creator>Hornbuckle, Billy C</creator><creator>Darling, Kristopher A</creator><creator>Kilczewski, Steven M</creator><scope>EVB</scope></search><sort><creationdate>20200123</creationdate><title>CEMENTED CARBIDE CONTAINING TUNGSTEN CARBIDE AND IRON ALLOY BINDER</title><author>Dowding, Robert J ; Pittari, III, John J ; Murdoch, Heather A ; Swab, Jeffrey J ; Hornbuckle, Billy C ; Darling, Kristopher A ; Kilczewski, Steven M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2020024702A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>Dowding, Robert J</creatorcontrib><creatorcontrib>Pittari, III, John J</creatorcontrib><creatorcontrib>Murdoch, Heather A</creatorcontrib><creatorcontrib>Swab, Jeffrey J</creatorcontrib><creatorcontrib>Hornbuckle, Billy C</creatorcontrib><creatorcontrib>Darling, Kristopher A</creatorcontrib><creatorcontrib>Kilczewski, Steven M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Dowding, Robert J</au><au>Pittari, III, John J</au><au>Murdoch, Heather A</au><au>Swab, Jeffrey J</au><au>Hornbuckle, Billy C</au><au>Darling, Kristopher A</au><au>Kilczewski, Steven M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CEMENTED CARBIDE CONTAINING TUNGSTEN CARBIDE AND IRON ALLOY BINDER</title><date>2020-01-23</date><risdate>2020</risdate><abstract>A sintered cemented carbide body including tungsten carbide, and a substantially cobalt-free binder including an iron-based alloy sintered with the tungsten carbide. The iron-based alloy is approximately 2-25% of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may be approximately 90 wt % and the iron-based alloy may be approximately 10 wt % of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may comprise a substantially same size before and after undergoing sintering. The iron-based alloy may be sintered with the tungsten carbide using a uniaxial hot pressing process, a spark plasma sintering process, or a pressureless sintering process. The sintered tungsten carbide and iron-based alloy has a hardness value of at least 15 GPa and a fracture toughness value of at least 11 MPa√m.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | CEMENTED CARBIDE CONTAINING TUNGSTEN CARBIDE AND IRON ALLOY BINDER |
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