Fracture toughness of carbides in tool steels evaluated by nanoindentation
In this study, the hardness and fracture toughness of different primary carbides present in tool steels have been evaluated by nanoindentation. Toughness was evaluated by the indentation method using Laugier’s equation, after experimentally assessing its applicability. The results obtained allow dif...
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| Veröffentlicht in: | Acta materialia 2007-08, Vol.55 (13), p.4277-4286 |
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| container_title | Acta materialia |
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| creator | Casellas, Daniel Caro, Jaume Molas, Sílvia Prado, José M. Valls, Isaac |
| description | In this study, the hardness and fracture toughness of different primary carbides present in tool steels have been evaluated by nanoindentation. Toughness was evaluated by the indentation method using Laugier’s equation, after experimentally assessing its applicability. The results obtained allow different types of carbides to be discerned, in terms of hardness and toughness, which ranges from 2.2 to 3.7MPam1/2. It has been found that M7C3 carbides exhibit a marked fracture resistance anisotropy, which is lower in the direction parallel to its larger edge. This anisotropy is related to the crystalline texture. The relationship between hardness and toughness of the analysed carbides can be used as a guideline for the selection of the most appropriate type of carbide that the microstructure should contain in order to optimize the wear behaviour and the fracture resistance of a tool steel. |
| doi_str_mv | 10.1016/j.actamat.2007.03.028 |
| format | Article |
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Toughness was evaluated by the indentation method using Laugier’s equation, after experimentally assessing its applicability. The results obtained allow different types of carbides to be discerned, in terms of hardness and toughness, which ranges from 2.2 to 3.7MPam1/2. It has been found that M7C3 carbides exhibit a marked fracture resistance anisotropy, which is lower in the direction parallel to its larger edge. This anisotropy is related to the crystalline texture. The relationship between hardness and toughness of the analysed carbides can be used as a guideline for the selection of the most appropriate type of carbide that the microstructure should contain in order to optimize the wear behaviour and the fracture resistance of a tool steel.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/j.actamat.2007.03.028</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Carbide tools ; Carbides ; Exact sciences and technology ; Fracture toughness ; Fractures ; Hardness ; Mathematical analysis ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. 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Toughness was evaluated by the indentation method using Laugier’s equation, after experimentally assessing its applicability. The results obtained allow different types of carbides to be discerned, in terms of hardness and toughness, which ranges from 2.2 to 3.7MPam1/2. It has been found that M7C3 carbides exhibit a marked fracture resistance anisotropy, which is lower in the direction parallel to its larger edge. This anisotropy is related to the crystalline texture. The relationship between hardness and toughness of the analysed carbides can be used as a guideline for the selection of the most appropriate type of carbide that the microstructure should contain in order to optimize the wear behaviour and the fracture resistance of a tool steel.</description><subject>Applied sciences</subject><subject>Carbide tools</subject><subject>Carbides</subject><subject>Exact sciences and technology</subject><subject>Fracture toughness</subject><subject>Fractures</subject><subject>Hardness</subject><subject>Mathematical analysis</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Microstructure</subject><subject>Nanoindentation</subject><subject>Steel</subject><subject>Surface layer</subject><subject>Texture</subject><subject>Tool steels</subject><subject>Toughness</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkEFrFTEQx4MoWF_7EYS9KF52nWyyu8lJpFhbKfRiz2E2mdU89iU1yRb67ZvyHnjTXBKY3z8z82PsPYeOAx8_7zu0BQ9Yuh5g6kB00KtX7IyrSbS9HMTr-haDbkc5yLfsXc57AN5PEs7Yj6tUw1uipsTt1-9AOTdxaSym2TvKjQ-1ENcmF6I1N_SI64aFXDM_NQFD9MFRKFh8DOfszYJrpovTvWP3V99-Xl63t3ffby6_3rZ2GFRpxSxprnNOvHejWiyOepm1BA2IOCgLYlJkHbhaEPOgJ6U4CbmQEr0cpRM79vH470OKfzbKxRx8trSuGChu2fRaawF17R379E-Qg-q5VhPnFR2OqE0x50SLeUj-gOmpQuZFstmbk2TzItmAMFVyzX04tcBscV0SBuvz37CqZ4Kxcl-OXJVIj56SydZTsOR8IluMi_4_nZ4BsWKVGg</recordid><startdate>20070801</startdate><enddate>20070801</enddate><creator>Casellas, Daniel</creator><creator>Caro, Jaume</creator><creator>Molas, Sílvia</creator><creator>Prado, José M.</creator><creator>Valls, Isaac</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20070801</creationdate><title>Fracture toughness of carbides in tool steels evaluated by nanoindentation</title><author>Casellas, Daniel ; Caro, Jaume ; Molas, Sílvia ; Prado, José M. ; Valls, Isaac</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c558t-3b4eb007712d68fca69fb94090aaa58c0378ecd0da693b597881e34fe832464d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Carbide tools</topic><topic>Carbides</topic><topic>Exact sciences and technology</topic><topic>Fracture toughness</topic><topic>Fractures</topic><topic>Hardness</topic><topic>Mathematical analysis</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Microstructure</topic><topic>Nanoindentation</topic><topic>Steel</topic><topic>Surface layer</topic><topic>Texture</topic><topic>Tool steels</topic><topic>Toughness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Casellas, Daniel</creatorcontrib><creatorcontrib>Caro, Jaume</creatorcontrib><creatorcontrib>Molas, Sílvia</creatorcontrib><creatorcontrib>Prado, José M.</creatorcontrib><creatorcontrib>Valls, Isaac</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Casellas, Daniel</au><au>Caro, Jaume</au><au>Molas, Sílvia</au><au>Prado, José M.</au><au>Valls, Isaac</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fracture toughness of carbides in tool steels evaluated by nanoindentation</atitle><jtitle>Acta materialia</jtitle><date>2007-08-01</date><risdate>2007</risdate><volume>55</volume><issue>13</issue><spage>4277</spage><epage>4286</epage><pages>4277-4286</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>In this study, the hardness and fracture toughness of different primary carbides present in tool steels have been evaluated by nanoindentation. Toughness was evaluated by the indentation method using Laugier’s equation, after experimentally assessing its applicability. The results obtained allow different types of carbides to be discerned, in terms of hardness and toughness, which ranges from 2.2 to 3.7MPam1/2. It has been found that M7C3 carbides exhibit a marked fracture resistance anisotropy, which is lower in the direction parallel to its larger edge. This anisotropy is related to the crystalline texture. The relationship between hardness and toughness of the analysed carbides can be used as a guideline for the selection of the most appropriate type of carbide that the microstructure should contain in order to optimize the wear behaviour and the fracture resistance of a tool steel.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.actamat.2007.03.028</doi><tpages>10</tpages></addata></record> |
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| subjects | Applied sciences Carbide tools Carbides Exact sciences and technology Fracture toughness Fractures Hardness Mathematical analysis Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Microstructure Nanoindentation Steel Surface layer Texture Tool steels Toughness |
| title | Fracture toughness of carbides in tool steels evaluated by nanoindentation |
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