A scanning electron microscopy study of carbides in high-speed steels
Investigations were made using scanning electron microscopy to examine deeply etched specimens and electrolytically extracted carbides of as-cast high-speed steels. It is shown that eutectic carbides appear in three types of eutectic morphologies. A carbide “wall” exists around type I skeleton eutec...
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| Veröffentlicht in: | Materials characterization 1992-07, Vol.29 (1), p.15-24 |
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| creator | Peidao, Ding Gongqi, Shi Shouze, Zhou |
| description | Investigations were made using scanning electron microscopy to examine deeply etched specimens and electrolytically extracted carbides of as-cast high-speed steels. It is shown that eutectic carbides appear in three types of eutectic morphologies. A carbide “wall” exists around type I skeleton eutectic, and growth steps are evident on the top of carbide platelets of the lamellar type II eutectic. Type III generally develops a thick plate or bar form. The delta-eutectoid carbide attains a “bunched fiber” shape. Increasing molybdenum and decreasing tungsten leads to a change of eutectic carbide from skeleton to platelike and fiberlike morphologies. Vanadium not only promotes the formation of MC carbide, but also the formation of M
2C carbide. It was noted to be unfavorable to the formation of M
6C carbide, and increasing the vanadium content results in an increase in the size of eutectic and eutectoid carbides. |
| doi_str_mv | 10.1016/1044-5803(92)90091-U |
| format | Article |
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2C carbide. It was noted to be unfavorable to the formation of M
6C carbide, and increasing the vanadium content results in an increase in the size of eutectic and eutectoid carbides.</description><subject>360105 - Metals & Alloys- Corrosion & Erosion</subject><subject>360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies</subject><subject>360205 - Ceramics, Cermets, & Refractories- Corrosion & Erosion</subject><subject>ALLOYS</subject><subject>Applied sciences</subject><subject>CARBIDES</subject><subject>CARBON COMPOUNDS</subject><subject>CHEMICAL COMPOSITION</subject><subject>CORROSION PROTECTION</subject><subject>CORROSION RESISTANT ALLOYS</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>CRYSTAL STRUCTURE</subject><subject>ELECTRON MICROSCOPY</subject><subject>ETCHING</subject><subject>Exact sciences and technology</subject><subject>IRON ALLOYS</subject><subject>IRON BASE ALLOYS</subject><subject>MATERIALS SCIENCE</subject><subject>METALLURGICAL EFFECTS</subject><subject>METALLURGY</subject><subject>Metals. Metallurgy</subject><subject>MICROSCOPY</subject><subject>MICROSTRUCTURE</subject><subject>MOLYBDENUM ALLOYS</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>PHASE STUDIES</subject><subject>Physics</subject><subject>POWDER METALLURGY</subject><subject>SCANNING ELECTRON MICROSCOPY</subject><subject>STEELS</subject><subject>SURFACE FINISHING</subject><subject>TUNGSTEN ALLOYS</subject><subject>VANADIUM ALLOYS</subject><issn>1044-5803</issn><issn>0094-1492</issn><issn>1873-4189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhosoqKv_wEMRET1UJ22aJhdhWfyCBS_uOaTJ1I10kzXpCvvvTV316CkDeWbmnSfLzgjcECDslgClRc2huhLltQAQpFjsZUeEN1VBCRf7qf5FDrPjGN8BgHHSHGX30zxq5Zx1bzn2qIfgXb6yOvio_Xqbx2Fjtrnvcq1Caw3G3Lp8ad-WRVwjmvSP2MeT7KBTfcTTn3eSLR7uX2dPxfzl8Xk2nRe6EmQoqtaA4Jq2zDCmSEuYEoy3jajB8E4BtFwQKggISknT8lZxTqCETiiDFXbVJDvfzfVxsDJqO6Beau9cCi4boLymdYIud9A6-I8NxkGubNTY98qh30RZ1ryhteAJpDtwvDYG7OQ62JUKW0lAjmLlaE2O1qQo5bdYuUhtFz_zVVLXd0E5beNfL2U1Y6VI2N0OS37w02IY86LTaGwY4xpv_9_zBQpxixs</recordid><startdate>19920701</startdate><enddate>19920701</enddate><creator>Peidao, Ding</creator><creator>Gongqi, Shi</creator><creator>Shouze, Zhou</creator><general>Elsevier Inc</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>OTOTI</scope></search><sort><creationdate>19920701</creationdate><title>A scanning electron microscopy study of carbides in high-speed steels</title><author>Peidao, Ding ; Gongqi, Shi ; Shouze, Zhou</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-3bd098c4b6d66a1b16a968b7950d8fa00b891491094417b8ba881020f9ade3ef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>360105 - Metals & Alloys- Corrosion & Erosion</topic><topic>360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies</topic><topic>360205 - Ceramics, Cermets, & Refractories- Corrosion & Erosion</topic><topic>ALLOYS</topic><topic>Applied sciences</topic><topic>CARBIDES</topic><topic>CARBON COMPOUNDS</topic><topic>CHEMICAL COMPOSITION</topic><topic>CORROSION PROTECTION</topic><topic>CORROSION RESISTANT ALLOYS</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>CRYSTAL STRUCTURE</topic><topic>ELECTRON MICROSCOPY</topic><topic>ETCHING</topic><topic>Exact sciences and technology</topic><topic>IRON ALLOYS</topic><topic>IRON BASE ALLOYS</topic><topic>MATERIALS SCIENCE</topic><topic>METALLURGICAL EFFECTS</topic><topic>METALLURGY</topic><topic>Metals. Metallurgy</topic><topic>MICROSCOPY</topic><topic>MICROSTRUCTURE</topic><topic>MOLYBDENUM ALLOYS</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>PHASE STUDIES</topic><topic>Physics</topic><topic>POWDER METALLURGY</topic><topic>SCANNING ELECTRON MICROSCOPY</topic><topic>STEELS</topic><topic>SURFACE FINISHING</topic><topic>TUNGSTEN ALLOYS</topic><topic>VANADIUM ALLOYS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peidao, Ding</creatorcontrib><creatorcontrib>Gongqi, Shi</creatorcontrib><creatorcontrib>Shouze, Zhou</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Materials characterization</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Peidao, Ding</au><au>Gongqi, Shi</au><au>Shouze, Zhou</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A scanning electron microscopy study of carbides in high-speed steels</atitle><jtitle>Materials characterization</jtitle><date>1992-07-01</date><risdate>1992</risdate><volume>29</volume><issue>1</issue><spage>15</spage><epage>24</epage><pages>15-24</pages><issn>1044-5803</issn><issn>0094-1492</issn><eissn>1873-4189</eissn><abstract>Investigations were made using scanning electron microscopy to examine deeply etched specimens and electrolytically extracted carbides of as-cast high-speed steels. It is shown that eutectic carbides appear in three types of eutectic morphologies. A carbide “wall” exists around type I skeleton eutectic, and growth steps are evident on the top of carbide platelets of the lamellar type II eutectic. Type III generally develops a thick plate or bar form. The delta-eutectoid carbide attains a “bunched fiber” shape. Increasing molybdenum and decreasing tungsten leads to a change of eutectic carbide from skeleton to platelike and fiberlike morphologies. Vanadium not only promotes the formation of MC carbide, but also the formation of M
2C carbide. It was noted to be unfavorable to the formation of M
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| subjects | 360105 - Metals & Alloys- Corrosion & Erosion 360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies 360205 - Ceramics, Cermets, & Refractories- Corrosion & Erosion ALLOYS Applied sciences CARBIDES CARBON COMPOUNDS CHEMICAL COMPOSITION CORROSION PROTECTION CORROSION RESISTANT ALLOYS Cross-disciplinary physics: materials science rheology CRYSTAL STRUCTURE ELECTRON MICROSCOPY ETCHING Exact sciences and technology IRON ALLOYS IRON BASE ALLOYS MATERIALS SCIENCE METALLURGICAL EFFECTS METALLURGY Metals. Metallurgy MICROSCOPY MICROSTRUCTURE MOLYBDENUM ALLOYS Phase diagrams and microstructures developed by solidification and solid-solid phase transformations PHASE STUDIES Physics POWDER METALLURGY SCANNING ELECTRON MICROSCOPY STEELS SURFACE FINISHING TUNGSTEN ALLOYS VANADIUM ALLOYS |
| title | A scanning electron microscopy study of carbides in high-speed steels |
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