Studies on the bulk nanocrystalline Ni–Fe–Co alloy prepared by mechanical alloying–sintering–hot rolling route
Nanocrystalline Ni–Fe alloys have emerged as a promising soft magnetic material for high frequency applications where low hysteresis loss is the prime requirement. Nanocrystalline 80Ni–20Fe (wt.%) alloys synthesized by mechanical alloying have shown improved magnetic properties as compared to conven...
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Veröffentlicht in: | Journal of alloys and compounds 2009-05, Vol.476 (1), p.311-317 |
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creator | Vajpai, S.K. Mahesh, B.V. Dube, R.K. |
description | Nanocrystalline Ni–Fe alloys have emerged as a promising soft magnetic material for high frequency applications where low hysteresis loss is the prime requirement. Nanocrystalline 80Ni–20Fe (wt.%) alloys synthesized by mechanical alloying have shown improved magnetic properties as compared to conventional 80Ni Permalloy due to formation of nanocrystalline Ni
3Fe as major phase during mechanical alloying. However, retaining nanocrystallinity during consolidation to prepare bulk material is a key issue. The present paper describes preparation of bulk nanocrystalline 80Ni–15Fe–5Co (wt.%) alloy by a powder metallurgy route involving mechanical alloying of elemental powder mixture followed by sintering and hot rolling. The average grain size of the mechanically alloyed powder was approximately 10
nm after milling for 46
h. A multi-step sintering–hot rolling route was developed to prepare a crack-free strip having an average grain size 32
±
2
nm and 99% theoretical density. The bulk nanocrystalline 80Ni–15Fe–5Co strip resulted in a very narrow hysteresis loop indicating a very small hysteresis loss. The present study shows that mechanical alloying–sintering–hot rolling route can be a promising method for producing bulk nanocrystalline materials. |
doi_str_mv | 10.1016/j.jallcom.2008.08.051 |
format | Article |
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3Fe as major phase during mechanical alloying. However, retaining nanocrystallinity during consolidation to prepare bulk material is a key issue. The present paper describes preparation of bulk nanocrystalline 80Ni–15Fe–5Co (wt.%) alloy by a powder metallurgy route involving mechanical alloying of elemental powder mixture followed by sintering and hot rolling. The average grain size of the mechanically alloyed powder was approximately 10
nm after milling for 46
h. A multi-step sintering–hot rolling route was developed to prepare a crack-free strip having an average grain size 32
±
2
nm and 99% theoretical density. The bulk nanocrystalline 80Ni–15Fe–5Co strip resulted in a very narrow hysteresis loop indicating a very small hysteresis loss. The present study shows that mechanical alloying–sintering–hot rolling route can be a promising method for producing bulk nanocrystalline materials.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2008.08.051</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Bulk nanocrystalline material ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Exact sciences and technology ; Fe and its alloys ; Magnetic properties and materials ; Mechanical alloying ; NiFeCo alloy ; Permalloy ; Physics ; Soft magnetic material ; Studies of specific magnetic materials</subject><ispartof>Journal of alloys and compounds, 2009-05, Vol.476 (1), p.311-317</ispartof><rights>2008 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c370t-6f1d2eae81eb50e12a87c5f2faeb97fc7b2f13e27dc6d05fc2a555d756c228ae3</citedby><cites>FETCH-LOGICAL-c370t-6f1d2eae81eb50e12a87c5f2faeb97fc7b2f13e27dc6d05fc2a555d756c228ae3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2008.08.051$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21539287$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Vajpai, S.K.</creatorcontrib><creatorcontrib>Mahesh, B.V.</creatorcontrib><creatorcontrib>Dube, R.K.</creatorcontrib><title>Studies on the bulk nanocrystalline Ni–Fe–Co alloy prepared by mechanical alloying–sintering–hot rolling route</title><title>Journal of alloys and compounds</title><description>Nanocrystalline Ni–Fe alloys have emerged as a promising soft magnetic material for high frequency applications where low hysteresis loss is the prime requirement. Nanocrystalline 80Ni–20Fe (wt.%) alloys synthesized by mechanical alloying have shown improved magnetic properties as compared to conventional 80Ni Permalloy due to formation of nanocrystalline Ni
3Fe as major phase during mechanical alloying. However, retaining nanocrystallinity during consolidation to prepare bulk material is a key issue. The present paper describes preparation of bulk nanocrystalline 80Ni–15Fe–5Co (wt.%) alloy by a powder metallurgy route involving mechanical alloying of elemental powder mixture followed by sintering and hot rolling. The average grain size of the mechanically alloyed powder was approximately 10
nm after milling for 46
h. A multi-step sintering–hot rolling route was developed to prepare a crack-free strip having an average grain size 32
±
2
nm and 99% theoretical density. The bulk nanocrystalline 80Ni–15Fe–5Co strip resulted in a very narrow hysteresis loop indicating a very small hysteresis loss. The present study shows that mechanical alloying–sintering–hot rolling route can be a promising method for producing bulk nanocrystalline materials.</description><subject>Bulk nanocrystalline material</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Exact sciences and technology</subject><subject>Fe and its alloys</subject><subject>Magnetic properties and materials</subject><subject>Mechanical alloying</subject><subject>NiFeCo alloy</subject><subject>Permalloy</subject><subject>Physics</subject><subject>Soft magnetic material</subject><subject>Studies of specific magnetic materials</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFUc1qGzEQFiWFOm4eoaBLcltHP9b-nEowdVowyaHtWWi1I1vOWnIlrcG3vkPeME9SLWt6DQwzw8w33zDfIPSFkgUltLzfL_aq77U_LBgh9WI0QT-gGa0rXizLsrlCM9IwUdS8rj-h6xj3hBDacDpDp59p6CxE7B1OO8Dt0L9gp5zX4RxTprUO8JN9-_u6huxWHueaP-NjgKMK0OH2jA-gd8pZrfqpad02Q6N1CcKU73zCwY9k2xyHBJ_RR6P6CDeXOEe_199-rb4Xm-fHH6uHTaF5RVJRGtoxUFBTaAUBylRdaWGYUdA2ldFVywzlwKpOlx0RRjMlhOgqUWrGagV8ju4m3mPwfwaISR5s1ND3yoEfouRLXpKyaTJQTEAdfIwBjDwGe1DhLCmRo8pyLy8qy1FlOZqgee72skDFLIAJymkb_w8zKnjD8h_m6OuEg3ztyUKQUVtwGjobQCfZefvOpn_K-5z5</recordid><startdate>20090512</startdate><enddate>20090512</enddate><creator>Vajpai, S.K.</creator><creator>Mahesh, B.V.</creator><creator>Dube, R.K.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20090512</creationdate><title>Studies on the bulk nanocrystalline Ni–Fe–Co alloy prepared by mechanical alloying–sintering–hot rolling route</title><author>Vajpai, S.K. ; Mahesh, B.V. ; Dube, R.K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-6f1d2eae81eb50e12a87c5f2faeb97fc7b2f13e27dc6d05fc2a555d756c228ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Bulk nanocrystalline material</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Exact sciences and technology</topic><topic>Fe and its alloys</topic><topic>Magnetic properties and materials</topic><topic>Mechanical alloying</topic><topic>NiFeCo alloy</topic><topic>Permalloy</topic><topic>Physics</topic><topic>Soft magnetic material</topic><topic>Studies of specific magnetic materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vajpai, S.K.</creatorcontrib><creatorcontrib>Mahesh, B.V.</creatorcontrib><creatorcontrib>Dube, R.K.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vajpai, S.K.</au><au>Mahesh, B.V.</au><au>Dube, R.K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Studies on the bulk nanocrystalline Ni–Fe–Co alloy prepared by mechanical alloying–sintering–hot rolling route</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2009-05-12</date><risdate>2009</risdate><volume>476</volume><issue>1</issue><spage>311</spage><epage>317</epage><pages>311-317</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>Nanocrystalline Ni–Fe alloys have emerged as a promising soft magnetic material for high frequency applications where low hysteresis loss is the prime requirement. Nanocrystalline 80Ni–20Fe (wt.%) alloys synthesized by mechanical alloying have shown improved magnetic properties as compared to conventional 80Ni Permalloy due to formation of nanocrystalline Ni
3Fe as major phase during mechanical alloying. However, retaining nanocrystallinity during consolidation to prepare bulk material is a key issue. The present paper describes preparation of bulk nanocrystalline 80Ni–15Fe–5Co (wt.%) alloy by a powder metallurgy route involving mechanical alloying of elemental powder mixture followed by sintering and hot rolling. The average grain size of the mechanically alloyed powder was approximately 10
nm after milling for 46
h. A multi-step sintering–hot rolling route was developed to prepare a crack-free strip having an average grain size 32
±
2
nm and 99% theoretical density. The bulk nanocrystalline 80Ni–15Fe–5Co strip resulted in a very narrow hysteresis loop indicating a very small hysteresis loss. The present study shows that mechanical alloying–sintering–hot rolling route can be a promising method for producing bulk nanocrystalline materials.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2008.08.051</doi><tpages>7</tpages></addata></record> |
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source | Elsevier ScienceDirect Journals |
subjects | Bulk nanocrystalline material Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Fe and its alloys Magnetic properties and materials Mechanical alloying NiFeCo alloy Permalloy Physics Soft magnetic material Studies of specific magnetic materials |
title | Studies on the bulk nanocrystalline Ni–Fe–Co alloy prepared by mechanical alloying–sintering–hot rolling route |
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