Studies on electroless nickel boride coating on boron carbide particles
Ni-B alloy deposits were successfully formed over alkali surface treated boron carbide by electroless technique and the effects of processing parameters such as reduction bath pH, temperature and post-heat treatment were investigated. Microstructural studies show remarkable changes in structural mor...
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| Veröffentlicht in: | Surface engineering 2014-10, Vol.30 (10), p.702-708 |
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| creator | Deepa, J. P. Rajan, T. P. D. Pavithran, C. Pai, B. C. |
| description | Ni-B alloy deposits were successfully formed over alkali surface treated boron carbide by electroless technique and the effects of processing parameters such as reduction bath pH, temperature and post-heat treatment were investigated. Microstructural studies show remarkable changes in structural morphology from mesh-like structure to platelet type Ni-B coating. The main Ni-B phases observed were NiB, Ni
2
B, Ni
3
B and Ni
4
B
3
. An effective Ni-B alloy coating with better surface characteristics was formed at pH 8 under 75°C reaction bath temperature in the presence of bath stabiliser. The post-heat treatment of Ni-B coated particles under varying bath reaction temperatures at 400°C showed remarkable Ni-B phase transformation from metastable NiB and Ni
2
B to stable crystalline Ni
3
B phase. The NiB coated particle shows lower particle-matrix interfacial reaction, better wettability and enhanced dispersion in aluminium composites compared to uncoated particles. |
| doi_str_mv | 10.1179/1743294414Y.0000000279 |
| format | Article |
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2
B, Ni
3
B and Ni
4
B
3
. An effective Ni-B alloy coating with better surface characteristics was formed at pH 8 under 75°C reaction bath temperature in the presence of bath stabiliser. The post-heat treatment of Ni-B coated particles under varying bath reaction temperatures at 400°C showed remarkable Ni-B phase transformation from metastable NiB and Ni
2
B to stable crystalline Ni
3
B phase. The NiB coated particle shows lower particle-matrix interfacial reaction, better wettability and enhanced dispersion in aluminium composites compared to uncoated particles.</description><identifier>ISSN: 0267-0844</identifier><identifier>EISSN: 1743-2944</identifier><identifier>DOI: 10.1179/1743294414Y.0000000279</identifier><language>eng</language><publisher>London, England: Taylor & Francis</publisher><subject>Amorphous coating ; Boron carbide ; Coated particles ; Coating ; Electroless coating ; Electroless plating ; Interface reactions ; Nickel ; Nickel base alloys ; Nickel boride ; Phase transformation ; Plating baths ; Sodium borohydride</subject><ispartof>Surface engineering, 2014-10, Vol.30 (10), p.702-708</ispartof><rights>2014 Institute of Materials, Minerals and Mining 2014</rights><rights>2014 Institute of Materials, Minerals and Mining</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c390t-54e0ac083819386d225c44aa853b7337b73ab2ab3389d98d8ce2a9db3ca082673</citedby><cites>FETCH-LOGICAL-c390t-54e0ac083819386d225c44aa853b7337b73ab2ab3389d98d8ce2a9db3ca082673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1179/1743294414Y.0000000279$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1179/1743294414Y.0000000279$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,780,784,21818,27923,27924,43620,43621</link.rule.ids></links><search><creatorcontrib>Deepa, J. P.</creatorcontrib><creatorcontrib>Rajan, T. P. D.</creatorcontrib><creatorcontrib>Pavithran, C.</creatorcontrib><creatorcontrib>Pai, B. C.</creatorcontrib><title>Studies on electroless nickel boride coating on boron carbide particles</title><title>Surface engineering</title><description>Ni-B alloy deposits were successfully formed over alkali surface treated boron carbide by electroless technique and the effects of processing parameters such as reduction bath pH, temperature and post-heat treatment were investigated. Microstructural studies show remarkable changes in structural morphology from mesh-like structure to platelet type Ni-B coating. The main Ni-B phases observed were NiB, Ni
2
B, Ni
3
B and Ni
4
B
3
. An effective Ni-B alloy coating with better surface characteristics was formed at pH 8 under 75°C reaction bath temperature in the presence of bath stabiliser. The post-heat treatment of Ni-B coated particles under varying bath reaction temperatures at 400°C showed remarkable Ni-B phase transformation from metastable NiB and Ni
2
B to stable crystalline Ni
3
B phase. The NiB coated particle shows lower particle-matrix interfacial reaction, better wettability and enhanced dispersion in aluminium composites compared to uncoated particles.</description><subject>Amorphous coating</subject><subject>Boron carbide</subject><subject>Coated particles</subject><subject>Coating</subject><subject>Electroless coating</subject><subject>Electroless plating</subject><subject>Interface reactions</subject><subject>Nickel</subject><subject>Nickel base alloys</subject><subject>Nickel boride</subject><subject>Phase transformation</subject><subject>Plating baths</subject><subject>Sodium borohydride</subject><issn>0267-0844</issn><issn>1743-2944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkE9LxDAQxYMouK5-BenRS9f8a5scl0VXYcGDevAUpmm6ZM02a9Ii--1NqaC3ncMMzHu_gXkI3RK8IKSS96TijErOCf9Y4KloJc_QbBTyUTlHM0zLKseC80t0FeMuWUglihlav_ZDY03MfJcZZ3QfvDMxZp3Vn8ZltQ-2MZn20NtuO5rSJnUNoR6FA4Te6kRco4sWXDQ3v3OO3h8f3lZP-eZl_bxabnLNJO7zghsMGgsmiGSibCgtNOcAomB1xViVGtQUasaEbKRohDYUZFMzDVikF9gc3U13D8F_DSb2am-jNs5BZ_wQFSkpxhyTQiZrOVl18DEG06pDsHsIR0WwGpNT_5JTf8klkE1ghK1ROz-ELr10mlpOlO1aH_bw7YNrVA9H50MboNM2Knbixg_c6INj</recordid><startdate>20141001</startdate><enddate>20141001</enddate><creator>Deepa, J. P.</creator><creator>Rajan, T. P. D.</creator><creator>Pavithran, C.</creator><creator>Pai, B. C.</creator><general>Taylor & Francis</general><general>SAGE Publications</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20141001</creationdate><title>Studies on electroless nickel boride coating on boron carbide particles</title><author>Deepa, J. P. ; Rajan, T. P. D. ; Pavithran, C. ; Pai, B. C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-54e0ac083819386d225c44aa853b7337b73ab2ab3389d98d8ce2a9db3ca082673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Amorphous coating</topic><topic>Boron carbide</topic><topic>Coated particles</topic><topic>Coating</topic><topic>Electroless coating</topic><topic>Electroless plating</topic><topic>Interface reactions</topic><topic>Nickel</topic><topic>Nickel base alloys</topic><topic>Nickel boride</topic><topic>Phase transformation</topic><topic>Plating baths</topic><topic>Sodium borohydride</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Deepa, J. P.</creatorcontrib><creatorcontrib>Rajan, T. P. D.</creatorcontrib><creatorcontrib>Pavithran, C.</creatorcontrib><creatorcontrib>Pai, B. C.</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Surface engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Deepa, J. P.</au><au>Rajan, T. P. D.</au><au>Pavithran, C.</au><au>Pai, B. C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Studies on electroless nickel boride coating on boron carbide particles</atitle><jtitle>Surface engineering</jtitle><date>2014-10-01</date><risdate>2014</risdate><volume>30</volume><issue>10</issue><spage>702</spage><epage>708</epage><pages>702-708</pages><issn>0267-0844</issn><eissn>1743-2944</eissn><abstract>Ni-B alloy deposits were successfully formed over alkali surface treated boron carbide by electroless technique and the effects of processing parameters such as reduction bath pH, temperature and post-heat treatment were investigated. Microstructural studies show remarkable changes in structural morphology from mesh-like structure to platelet type Ni-B coating. The main Ni-B phases observed were NiB, Ni
2
B, Ni
3
B and Ni
4
B
3
. An effective Ni-B alloy coating with better surface characteristics was formed at pH 8 under 75°C reaction bath temperature in the presence of bath stabiliser. The post-heat treatment of Ni-B coated particles under varying bath reaction temperatures at 400°C showed remarkable Ni-B phase transformation from metastable NiB and Ni
2
B to stable crystalline Ni
3
B phase. The NiB coated particle shows lower particle-matrix interfacial reaction, better wettability and enhanced dispersion in aluminium composites compared to uncoated particles.</abstract><cop>London, England</cop><pub>Taylor & Francis</pub><doi>10.1179/1743294414Y.0000000279</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0267-0844 |
| ispartof | Surface engineering, 2014-10, Vol.30 (10), p.702-708 |
| issn | 0267-0844 1743-2944 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1620040159 |
| source | SAGE Complete A-Z List |
| subjects | Amorphous coating Boron carbide Coated particles Coating Electroless coating Electroless plating Interface reactions Nickel Nickel base alloys Nickel boride Phase transformation Plating baths Sodium borohydride |
| title | Studies on electroless nickel boride coating on boron carbide particles |
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