Effect of boronizing temperature and time on microstructure and abrasion wear resistance of Cr12Mn2V2 high chromium cast iron

In this study, Cr12Mn2V2 high chromium cast iron (HCCI) was boronized at 900 °C and 950 °C for 2, 4, 6, and 8 h, respectively. The borided samples were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), microhardness tester and ring-on-block wear tester in terms of the phas...

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Veröffentlicht in:Surface & coatings technology 2008-08, Vol.202 (24), p.5882-5886
Hauptverfasser: Li, Chunmin, Shen, Baoluo, Li, Guijiang, Yang, Chao
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container_end_page 5886
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creator Li, Chunmin
Shen, Baoluo
Li, Guijiang
Yang, Chao
description In this study, Cr12Mn2V2 high chromium cast iron (HCCI) was boronized at 900 °C and 950 °C for 2, 4, 6, and 8 h, respectively. The borided samples were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), microhardness tester and ring-on-block wear tester in terms of the phase composition, microstructure and worn surface morphology, microhardness, fracture toughness and abrasive wear resistance. The boride layer thickness ranges from 8 to 33 µm. XRD studies show the boride layer formed at 950 °C/8 h consists of the phases FeB, Fe 2B and CrB, while for the layer formed at 900 °C/8 h, consists of mainly the Fe 2B phase. Abrasive wear test results show that the relative wear resistance of the borided HCCIs increases with increasing surface microhardness.
doi_str_mv 10.1016/j.surfcoat.2008.06.170
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The borided samples were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), microhardness tester and ring-on-block wear tester in terms of the phase composition, microstructure and worn surface morphology, microhardness, fracture toughness and abrasive wear resistance. The boride layer thickness ranges from 8 to 33 µm. XRD studies show the boride layer formed at 950 °C/8 h consists of the phases FeB, Fe 2B and CrB, while for the layer formed at 900 °C/8 h, consists of mainly the Fe 2B phase. 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Metallurgy</topic><topic>Microstructure</topic><topic>Physics</topic><topic>Production techniques</topic><topic>Surface treatments</topic><topic>Thermochemical treatment and diffusion treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Chunmin</creatorcontrib><creatorcontrib>Shen, Baoluo</creatorcontrib><creatorcontrib>Li, Guijiang</creatorcontrib><creatorcontrib>Yang, Chao</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>Surface &amp; coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Chunmin</au><au>Shen, Baoluo</au><au>Li, Guijiang</au><au>Yang, Chao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of boronizing temperature and time on microstructure and abrasion wear resistance of Cr12Mn2V2 high chromium cast iron</atitle><jtitle>Surface &amp; coatings technology</jtitle><date>2008-08-15</date><risdate>2008</risdate><volume>202</volume><issue>24</issue><spage>5882</spage><epage>5886</epage><pages>5882-5886</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>In this study, Cr12Mn2V2 high chromium cast iron (HCCI) was boronized at 900 °C and 950 °C for 2, 4, 6, and 8 h, respectively. 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subjects Abrasion wear resistance
Applied sciences
Boriding
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Heat treatment
High chromium cast iron
Materials science
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Microstructure
Physics
Production techniques
Surface treatments
Thermochemical treatment and diffusion treatment
title Effect of boronizing temperature and time on microstructure and abrasion wear resistance of Cr12Mn2V2 high chromium cast iron
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