TRIBOLOGICAL EVALUATION OF SURFACE TEXTURING AND HARD CHROMIUM COATING APPLIED TO COLD ROLLING MILLS ROLLS STEELS
The present work analyzes the tribological behavior of surface modifications often used in cold rolling mill rolls. Different surface modifications were carried out on samples produced from a fragment of the rolling mill roll: i) texturing; ii) chromium plating; iii) texturing with subsequent hard c...
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Veröffentlicht in: | Tecnologia em Metalurgia, Materiais e Mineracao Materiais e Mineracao, 2012-01, Vol.9 (4), p.336-344 |
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creator | Junior, Jose Lucio Goncalves De Mello, Jose Daniel Biasoli |
description | The present work analyzes the tribological behavior of surface modifications often used in cold rolling mill rolls. Different surface modifications were carried out on samples produced from a fragment of the rolling mill roll: i) texturing; ii) chromium plating; iii) texturing with subsequent hard chrome plating; iv) and hard chrome plating with subsequent texturing. Before the surface modifications the samples were heat treated and ground on both faces. Wear tests were performed using a reciprocating movement of a ball over flat configuration under a load of 9.8 N. It is observed that there is no significant change in the coefficient of friction as a function of surface modification. Surface texturing increases the wear of the counter body, while the hard chromium coating reduces it. The addition of hard chromium coating promotes the formation of a tribolayer on the counter body consisting of chromium and oxygen. On the other hand, for the samples without hard chrome coating, the tribolayer consists of iron and oxygen. |
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Different surface modifications were carried out on samples produced from a fragment of the rolling mill roll: i) texturing; ii) chromium plating; iii) texturing with subsequent hard chrome plating; iv) and hard chrome plating with subsequent texturing. Before the surface modifications the samples were heat treated and ground on both faces. Wear tests were performed using a reciprocating movement of a ball over flat configuration under a load of 9.8 N. It is observed that there is no significant change in the coefficient of friction as a function of surface modification. Surface texturing increases the wear of the counter body, while the hard chromium coating reduces it. The addition of hard chromium coating promotes the formation of a tribolayer on the counter body consisting of chromium and oxygen. On the other hand, for the samples without hard chrome coating, the tribolayer consists of iron and oxygen.</description><identifier>ISSN: 2176-1515</identifier><language>eng</language><subject>Chromium ; Chromium plating ; Coating ; Cold rolling mills ; Rolls ; Texturing ; Tribology ; Wear tests</subject><ispartof>Tecnologia em Metalurgia, Materiais e Mineracao, 2012-01, Vol.9 (4), p.336-344</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Junior, Jose Lucio Goncalves</creatorcontrib><creatorcontrib>De Mello, Jose Daniel Biasoli</creatorcontrib><title>TRIBOLOGICAL EVALUATION OF SURFACE TEXTURING AND HARD CHROMIUM COATING APPLIED TO COLD ROLLING MILLS ROLLS STEELS</title><title>Tecnologia em Metalurgia, Materiais e Mineracao</title><description>The present work analyzes the tribological behavior of surface modifications often used in cold rolling mill rolls. Different surface modifications were carried out on samples produced from a fragment of the rolling mill roll: i) texturing; ii) chromium plating; iii) texturing with subsequent hard chrome plating; iv) and hard chrome plating with subsequent texturing. Before the surface modifications the samples were heat treated and ground on both faces. Wear tests were performed using a reciprocating movement of a ball over flat configuration under a load of 9.8 N. It is observed that there is no significant change in the coefficient of friction as a function of surface modification. Surface texturing increases the wear of the counter body, while the hard chromium coating reduces it. The addition of hard chromium coating promotes the formation of a tribolayer on the counter body consisting of chromium and oxygen. On the other hand, for the samples without hard chrome coating, the tribolayer consists of iron and oxygen.</description><subject>Chromium</subject><subject>Chromium plating</subject><subject>Coating</subject><subject>Cold rolling mills</subject><subject>Rolls</subject><subject>Texturing</subject><subject>Tribology</subject><subject>Wear tests</subject><issn>2176-1515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqVissKwjAUBbNQsKj_cJduBNNYi8uYpjZw20iSijtRqVCoz9j_t4o_4OpwZqZHgpDGiymNaDQgY-_r4yyMI8roPA7Iwxm10qjXSnAEueVYcqd0AToFW5qUCwlO7lxpVLEGXiSQcZOAyIzOVZmD0F3-MZsNKpmA0x3CBIxG_PBcIdrvs2CdlGhHpH8-NL4a_3ZIJql0Ipven7dHW_nX_lL7U9U0h2t1a_2espCFEaNLxv5I36wYRFA</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Junior, Jose Lucio Goncalves</creator><creator>De Mello, Jose Daniel Biasoli</creator><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20120101</creationdate><title>TRIBOLOGICAL EVALUATION OF SURFACE TEXTURING AND HARD CHROMIUM COATING APPLIED TO COLD ROLLING MILLS ROLLS STEELS</title><author>Junior, Jose Lucio Goncalves ; De Mello, Jose Daniel Biasoli</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_13232531933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Chromium</topic><topic>Chromium plating</topic><topic>Coating</topic><topic>Cold rolling mills</topic><topic>Rolls</topic><topic>Texturing</topic><topic>Tribology</topic><topic>Wear tests</topic><toplevel>online_resources</toplevel><creatorcontrib>Junior, Jose Lucio Goncalves</creatorcontrib><creatorcontrib>De Mello, Jose Daniel Biasoli</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Tecnologia em Metalurgia, Materiais e Mineracao</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Junior, Jose Lucio Goncalves</au><au>De Mello, Jose Daniel Biasoli</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>TRIBOLOGICAL EVALUATION OF SURFACE TEXTURING AND HARD CHROMIUM COATING APPLIED TO COLD ROLLING MILLS ROLLS STEELS</atitle><jtitle>Tecnologia em Metalurgia, Materiais e Mineracao</jtitle><date>2012-01-01</date><risdate>2012</risdate><volume>9</volume><issue>4</issue><spage>336</spage><epage>344</epage><pages>336-344</pages><issn>2176-1515</issn><abstract>The present work analyzes the tribological behavior of surface modifications often used in cold rolling mill rolls. Different surface modifications were carried out on samples produced from a fragment of the rolling mill roll: i) texturing; ii) chromium plating; iii) texturing with subsequent hard chrome plating; iv) and hard chrome plating with subsequent texturing. Before the surface modifications the samples were heat treated and ground on both faces. Wear tests were performed using a reciprocating movement of a ball over flat configuration under a load of 9.8 N. It is observed that there is no significant change in the coefficient of friction as a function of surface modification. Surface texturing increases the wear of the counter body, while the hard chromium coating reduces it. The addition of hard chromium coating promotes the formation of a tribolayer on the counter body consisting of chromium and oxygen. On the other hand, for the samples without hard chrome coating, the tribolayer consists of iron and oxygen.</abstract></addata></record> |
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subjects | Chromium Chromium plating Coating Cold rolling mills Rolls Texturing Tribology Wear tests |
title | TRIBOLOGICAL EVALUATION OF SURFACE TEXTURING AND HARD CHROMIUM COATING APPLIED TO COLD ROLLING MILLS ROLLS STEELS |
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