Tribological performance of polycrystalline tantalum-carbide-incorporated diamond films on silicon substrates
Polycrystalline tantalum-carbide-incorporated diamond coatings have been made on unpolished side of Si (100) wafer by hot filament chemical vapor deposition process. Morphology of the coatings has been found to vary from (111) triangular-facetted to predominantly (111) square-faceted by increasing t...
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| Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 2018-05, Vol.537, p.277-282 |
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| creator | Ullah, Mahtab Rana, Anwar Manzoor Ahmed, E. Malik, Abdul Sattar Shah, Z.A. Ahmad, Naseeb Mehtab, Ujala Raza, Rizwan |
| description | Polycrystalline tantalum-carbide-incorporated diamond coatings have been made on unpolished side of Si (100) wafer by hot filament chemical vapor deposition process. Morphology of the coatings has been found to vary from (111) triangular-facetted to predominantly (111) square-faceted by increasing the concentration of tantalum carbide. The results have been compared to those of a diamond reference coating with no tantalum content. An increase in roughness has been observed with the increase of tantalum carbide (TaC) due to change in morphology of the diamond films. It is noticed that roughness of the coatings increases as grains become more square-faceted. It is found that diamond coatings involving tantalum carbide are not as resistant as diamond films with no TaC content and the coefficient of friction for such coatings with microcrystalline grains can be manipulated to 0·33 under high vacuum of 10−7 Torr. Such a low friction coefficient value enhances tribological behavior of unpolished Si substrates and can possibly be used in sliding applications.
•Tantalum-carbide-incorporated diamond films are grown under high vacuum on Si substrates.•Better coefficient of friction (0·34) under high vacuum of ~10−7 Torr is obtained to enhance tribological behavior.•Low tantalum-carbide-incorporated diamond films on Si (100) wafers can be used in sliding applications.•Morphology of diamond crystallites changes from triangular to square faceted crystals on rising TaC content. |
| doi_str_mv | 10.1016/j.physb.2018.02.037 |
| format | Article |
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•Tantalum-carbide-incorporated diamond films are grown under high vacuum on Si substrates.•Better coefficient of friction (0·34) under high vacuum of ~10−7 Torr is obtained to enhance tribological behavior.•Low tantalum-carbide-incorporated diamond films on Si (100) wafers can be used in sliding applications.•Morphology of diamond crystallites changes from triangular to square faceted crystals on rising TaC content.</description><identifier>ISSN: 0921-4526</identifier><identifier>EISSN: 1873-2135</identifier><identifier>DOI: 10.1016/j.physb.2018.02.037</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Biocompatible applications ; Carbides ; Chemical vapor deposition ; Coatings ; Coefficient of friction ; Diamond films ; Diamonds ; Grains ; High vacuum ; Hot filament CVD ; Morphology ; Organic chemistry ; Polycrystalline tantalum-carbide-incorporated diamond coatings ; Polycrystals ; Raman spectroscopy ; Roughness ; Silicon ; Silicon carbide ; Silicon substrates ; Tantalum ; Tantalum carbide ; Tribology</subject><ispartof>Physica. B, Condensed matter, 2018-05, Vol.537, p.277-282</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV May 15, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c331t-c2ffac5afe558803ad25c4c1eb7d27860d4c3bc536fbf95a4bc181679d1462333</citedby><cites>FETCH-LOGICAL-c331t-c2ffac5afe558803ad25c4c1eb7d27860d4c3bc536fbf95a4bc181679d1462333</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0921452618301571$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Ullah, Mahtab</creatorcontrib><creatorcontrib>Rana, Anwar Manzoor</creatorcontrib><creatorcontrib>Ahmed, E.</creatorcontrib><creatorcontrib>Malik, Abdul Sattar</creatorcontrib><creatorcontrib>Shah, Z.A.</creatorcontrib><creatorcontrib>Ahmad, Naseeb</creatorcontrib><creatorcontrib>Mehtab, Ujala</creatorcontrib><creatorcontrib>Raza, Rizwan</creatorcontrib><title>Tribological performance of polycrystalline tantalum-carbide-incorporated diamond films on silicon substrates</title><title>Physica. B, Condensed matter</title><description>Polycrystalline tantalum-carbide-incorporated diamond coatings have been made on unpolished side of Si (100) wafer by hot filament chemical vapor deposition process. Morphology of the coatings has been found to vary from (111) triangular-facetted to predominantly (111) square-faceted by increasing the concentration of tantalum carbide. The results have been compared to those of a diamond reference coating with no tantalum content. An increase in roughness has been observed with the increase of tantalum carbide (TaC) due to change in morphology of the diamond films. It is noticed that roughness of the coatings increases as grains become more square-faceted. It is found that diamond coatings involving tantalum carbide are not as resistant as diamond films with no TaC content and the coefficient of friction for such coatings with microcrystalline grains can be manipulated to 0·33 under high vacuum of 10−7 Torr. Such a low friction coefficient value enhances tribological behavior of unpolished Si substrates and can possibly be used in sliding applications.
•Tantalum-carbide-incorporated diamond films are grown under high vacuum on Si substrates.•Better coefficient of friction (0·34) under high vacuum of ~10−7 Torr is obtained to enhance tribological behavior.•Low tantalum-carbide-incorporated diamond films on Si (100) wafers can be used in sliding applications.•Morphology of diamond crystallites changes from triangular to square faceted crystals on rising TaC content.</description><subject>Biocompatible applications</subject><subject>Carbides</subject><subject>Chemical vapor deposition</subject><subject>Coatings</subject><subject>Coefficient of friction</subject><subject>Diamond films</subject><subject>Diamonds</subject><subject>Grains</subject><subject>High vacuum</subject><subject>Hot filament CVD</subject><subject>Morphology</subject><subject>Organic chemistry</subject><subject>Polycrystalline tantalum-carbide-incorporated diamond coatings</subject><subject>Polycrystals</subject><subject>Raman spectroscopy</subject><subject>Roughness</subject><subject>Silicon</subject><subject>Silicon carbide</subject><subject>Silicon substrates</subject><subject>Tantalum</subject><subject>Tantalum carbide</subject><subject>Tribology</subject><issn>0921-4526</issn><issn>1873-2135</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kDtPxDAQhC0EEsfBL6CJRJ3gR5zkCgqEeEkn0Ry1Za9tcJTEwU6Q8u9xOGq2mS1mdjUfQtcEFwST6rYtxs8lqoJi0hSYFpjVJ2hDmprllDB-ijZ4R0leclqdo4sYW5yG1GSD-kNwynf-w4HsstEE60MvBzCZt9nouwXCEifZdW4w2SSHtM59DjIop03uBvBh9EFORmfayd4POrOu62Pmhyy6zsGqs4rT6omX6MzKLpqrP92i96fHw8NLvn97fn243-fAGJlyoNZK4NIazpsGM6kphxKIUbWmdVNhXQJTwFllld1xWSogDanqnSZlRRljW3RzvDsG_zWbOInWz2FILwXFDa1oQ0ueXOzoguBjDMaKMbhehkUQLFauohW_XMXKVWAqEteUujumTCrw7UwQEZxJxLQLBiahvfs3_wOlq4WB</recordid><startdate>20180515</startdate><enddate>20180515</enddate><creator>Ullah, Mahtab</creator><creator>Rana, Anwar Manzoor</creator><creator>Ahmed, E.</creator><creator>Malik, Abdul Sattar</creator><creator>Shah, Z.A.</creator><creator>Ahmad, Naseeb</creator><creator>Mehtab, Ujala</creator><creator>Raza, Rizwan</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20180515</creationdate><title>Tribological performance of polycrystalline tantalum-carbide-incorporated diamond films on silicon substrates</title><author>Ullah, Mahtab ; Rana, Anwar Manzoor ; Ahmed, E. ; Malik, Abdul Sattar ; Shah, Z.A. ; Ahmad, Naseeb ; Mehtab, Ujala ; Raza, Rizwan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-c2ffac5afe558803ad25c4c1eb7d27860d4c3bc536fbf95a4bc181679d1462333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Biocompatible applications</topic><topic>Carbides</topic><topic>Chemical vapor deposition</topic><topic>Coatings</topic><topic>Coefficient of friction</topic><topic>Diamond films</topic><topic>Diamonds</topic><topic>Grains</topic><topic>High vacuum</topic><topic>Hot filament CVD</topic><topic>Morphology</topic><topic>Organic chemistry</topic><topic>Polycrystalline tantalum-carbide-incorporated diamond coatings</topic><topic>Polycrystals</topic><topic>Raman spectroscopy</topic><topic>Roughness</topic><topic>Silicon</topic><topic>Silicon carbide</topic><topic>Silicon substrates</topic><topic>Tantalum</topic><topic>Tantalum carbide</topic><topic>Tribology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ullah, Mahtab</creatorcontrib><creatorcontrib>Rana, Anwar Manzoor</creatorcontrib><creatorcontrib>Ahmed, E.</creatorcontrib><creatorcontrib>Malik, Abdul Sattar</creatorcontrib><creatorcontrib>Shah, Z.A.</creatorcontrib><creatorcontrib>Ahmad, Naseeb</creatorcontrib><creatorcontrib>Mehtab, Ujala</creatorcontrib><creatorcontrib>Raza, Rizwan</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica. B, Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ullah, Mahtab</au><au>Rana, Anwar Manzoor</au><au>Ahmed, E.</au><au>Malik, Abdul Sattar</au><au>Shah, Z.A.</au><au>Ahmad, Naseeb</au><au>Mehtab, Ujala</au><au>Raza, Rizwan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tribological performance of polycrystalline tantalum-carbide-incorporated diamond films on silicon substrates</atitle><jtitle>Physica. B, Condensed matter</jtitle><date>2018-05-15</date><risdate>2018</risdate><volume>537</volume><spage>277</spage><epage>282</epage><pages>277-282</pages><issn>0921-4526</issn><eissn>1873-2135</eissn><abstract>Polycrystalline tantalum-carbide-incorporated diamond coatings have been made on unpolished side of Si (100) wafer by hot filament chemical vapor deposition process. Morphology of the coatings has been found to vary from (111) triangular-facetted to predominantly (111) square-faceted by increasing the concentration of tantalum carbide. The results have been compared to those of a diamond reference coating with no tantalum content. An increase in roughness has been observed with the increase of tantalum carbide (TaC) due to change in morphology of the diamond films. It is noticed that roughness of the coatings increases as grains become more square-faceted. It is found that diamond coatings involving tantalum carbide are not as resistant as diamond films with no TaC content and the coefficient of friction for such coatings with microcrystalline grains can be manipulated to 0·33 under high vacuum of 10−7 Torr. Such a low friction coefficient value enhances tribological behavior of unpolished Si substrates and can possibly be used in sliding applications.
•Tantalum-carbide-incorporated diamond films are grown under high vacuum on Si substrates.•Better coefficient of friction (0·34) under high vacuum of ~10−7 Torr is obtained to enhance tribological behavior.•Low tantalum-carbide-incorporated diamond films on Si (100) wafers can be used in sliding applications.•Morphology of diamond crystallites changes from triangular to square faceted crystals on rising TaC content.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.physb.2018.02.037</doi><tpages>6</tpages></addata></record> |
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| subjects | Biocompatible applications Carbides Chemical vapor deposition Coatings Coefficient of friction Diamond films Diamonds Grains High vacuum Hot filament CVD Morphology Organic chemistry Polycrystalline tantalum-carbide-incorporated diamond coatings Polycrystals Raman spectroscopy Roughness Silicon Silicon carbide Silicon substrates Tantalum Tantalum carbide Tribology |
| title | Tribological performance of polycrystalline tantalum-carbide-incorporated diamond films on silicon substrates |
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