Amorphous-CuTa/amorphous-CoZrNb multilayers: Structure, mechanical properties and thermal stability
CuTa/CoZrNb multilayers were prepared by direct current magnetron sputtering. The structure, mechanical properties and thermal stability were investigated by X-ray diffraction, high-resolution transmission electron microscopy, vacuum annealing and nanoindentation. The results show that the as-deposi...
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| Veröffentlicht in: | Surface & coatings technology 2008-05, Vol.202 (17), p.4242-4247 |
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| creator | Zong, R.L. Wen, S.P. Lv, F. Zeng, F. Gao, Y. Pan, F. |
| description | CuTa/CoZrNb multilayers were prepared by direct current magnetron sputtering. The structure, mechanical properties and thermal stability were investigated by X-ray diffraction, high-resolution transmission electron microscopy, vacuum annealing and nanoindentation. The results show that the as-deposited multilayers possess amorphous/amorphous structure. The amorphous feature leads to the lack of hardness enhancement with decreasing modulation periodicity, which can be attributed to the absence of the dislocation movement. After thermal annealing, the density increases due to the decrease of the bond distance and the annihilation of defects with increasing annealing temperature. The densification results in the enhancement of the elastic modulus and hardness. The enhancement for the multilayers with smaller modulation periodicity is more sensitive to thermal annealing because of larger volume fraction of interfaces. |
| doi_str_mv | 10.1016/j.surfcoat.2008.03.017 |
| format | Article |
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The structure, mechanical properties and thermal stability were investigated by X-ray diffraction, high-resolution transmission electron microscopy, vacuum annealing and nanoindentation. The results show that the as-deposited multilayers possess amorphous/amorphous structure. The amorphous feature leads to the lack of hardness enhancement with decreasing modulation periodicity, which can be attributed to the absence of the dislocation movement. After thermal annealing, the density increases due to the decrease of the bond distance and the annihilation of defects with increasing annealing temperature. The densification results in the enhancement of the elastic modulus and hardness. The enhancement for the multilayers with smaller modulation periodicity is more sensitive to thermal annealing because of larger volume fraction of interfaces.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/j.surfcoat.2008.03.017</identifier><identifier>CODEN: SCTEEJ</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Amorphous ; Applied sciences ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Mechanical properties ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. 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The structure, mechanical properties and thermal stability were investigated by X-ray diffraction, high-resolution transmission electron microscopy, vacuum annealing and nanoindentation. The results show that the as-deposited multilayers possess amorphous/amorphous structure. The amorphous feature leads to the lack of hardness enhancement with decreasing modulation periodicity, which can be attributed to the absence of the dislocation movement. After thermal annealing, the density increases due to the decrease of the bond distance and the annihilation of defects with increasing annealing temperature. The densification results in the enhancement of the elastic modulus and hardness. The enhancement for the multilayers with smaller modulation periodicity is more sensitive to thermal annealing because of larger volume fraction of interfaces.</description><subject>Amorphous</subject><subject>Applied sciences</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Multilayers</subject><subject>Physics</subject><subject>Surface treatments</subject><subject>Thermal stability</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqFkLtOwzAUhi0EEqXwCigLTCS14zS2magqblIFA2VhsRz7RHWVS7EdpL49rlpgZLKO9Z3L_yF0SXBGMCkn68wPrta9ClmOMc8wzTBhR2hEOBMppQU7RiOcT1nKBctP0Zn3a4wjIooR0rO2d5tVP_h0PizVRP2V_Yd7qZJ2aIJt1Bacv03eght0GBzcJC3oleqsVk2ycf0GXLDgE9WZJKzAtfHbB1XZxobtOTqpVePh4vCO0fvD_XL-lC5eH5_ns0WqKaMhzQtBjCGaG1wK4Aw4AMWE1Kyg1bQsq9IoXlY1yUlBCDEArGKaCkELUTEi6Bhd7-fGgz4H8EG21mtoGtVBTCRpdMFziiNY7kHteu8d1HLjbKvcVhIsd07lWv44lTunElMZhcXGq8MG5WPy2qlOW__bnWPKouMicnd7DmLcLwtOem2h02CsAx2k6e1_q74BArSSRA</recordid><startdate>20080525</startdate><enddate>20080525</enddate><creator>Zong, R.L.</creator><creator>Wen, S.P.</creator><creator>Lv, F.</creator><creator>Zeng, F.</creator><creator>Gao, Y.</creator><creator>Pan, F.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20080525</creationdate><title>Amorphous-CuTa/amorphous-CoZrNb multilayers: Structure, mechanical properties and thermal stability</title><author>Zong, R.L. ; Wen, S.P. ; Lv, F. ; Zeng, F. ; Gao, Y. ; Pan, F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-2491dd1c8d069e87e8ee3011f743b566b6da86bf1214111dee7b7c399349b7193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Amorphous</topic><topic>Applied sciences</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Materials science</topic><topic>Mechanical properties</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Multilayers</topic><topic>Physics</topic><topic>Surface treatments</topic><topic>Thermal stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zong, R.L.</creatorcontrib><creatorcontrib>Wen, S.P.</creatorcontrib><creatorcontrib>Lv, F.</creatorcontrib><creatorcontrib>Zeng, F.</creatorcontrib><creatorcontrib>Gao, Y.</creatorcontrib><creatorcontrib>Pan, F.</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 & coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zong, R.L.</au><au>Wen, S.P.</au><au>Lv, F.</au><au>Zeng, F.</au><au>Gao, Y.</au><au>Pan, F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Amorphous-CuTa/amorphous-CoZrNb multilayers: Structure, mechanical properties and thermal stability</atitle><jtitle>Surface & coatings technology</jtitle><date>2008-05-25</date><risdate>2008</risdate><volume>202</volume><issue>17</issue><spage>4242</spage><epage>4247</epage><pages>4242-4247</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>CuTa/CoZrNb multilayers were prepared by direct current magnetron sputtering. The structure, mechanical properties and thermal stability were investigated by X-ray diffraction, high-resolution transmission electron microscopy, vacuum annealing and nanoindentation. The results show that the as-deposited multilayers possess amorphous/amorphous structure. The amorphous feature leads to the lack of hardness enhancement with decreasing modulation periodicity, which can be attributed to the absence of the dislocation movement. After thermal annealing, the density increases due to the decrease of the bond distance and the annihilation of defects with increasing annealing temperature. The densification results in the enhancement of the elastic modulus and hardness. The enhancement for the multilayers with smaller modulation periodicity is more sensitive to thermal annealing because of larger volume fraction of interfaces.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.surfcoat.2008.03.017</doi><tpages>6</tpages></addata></record> |
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| subjects | Amorphous Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Mechanical properties Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Multilayers Physics Surface treatments Thermal stability |
| title | Amorphous-CuTa/amorphous-CoZrNb multilayers: Structure, mechanical properties and thermal stability |
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