Effects of Co and Zr additions on the thermal behavior of the Cu81Al19 alloy
The thermal behavior of the annealed Cu 81 Al 19 alloy with Co and Zr additions was investigated using differential thermal analysis, differential scanning calorimetry, electrical resistivity measurements, optical microscopy, scanning electron microscopy, Vickers microhardness, and X-ray diffractome...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2019-12, Vol.138 (5), p.3525-3533 |
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| container_title | Journal of thermal analysis and calorimetry |
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| creator | Pinto, R. D. A. Ferreira, L. D. R. Silva, R. A. G. |
| description | The thermal behavior of the annealed Cu
81
Al
19
alloy with Co and Zr additions was investigated using differential thermal analysis, differential scanning calorimetry, electrical resistivity measurements, optical microscopy, scanning electron microscopy, Vickers microhardness, and X-ray diffractometry. The results showed that the Co addition slightly increased the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, suppressed the eutectoid reaction and the
β
phase ordering, and introduced a new route for the
α
2
phase disordering. A mechanism to this phenomenon is suggested in the present work. On the other hand, the Zr addition did not significantly alter the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, decreased the intensity of the eutectoid reaction, and increased the
α
2
phase disordering rate and the
β
phase decomposition. Besides that, it introduced a new thermal event at higher temperatures, related to the dissolution of precipitates with Al. Both Zr and Co additions increased the electrical resistivity and the microhardness of the Cu
81
Al
19
alloy due to the precipitation of intermetallic compounds. |
| doi_str_mv | 10.1007/s10973-019-08452-w |
| format | Article |
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81
Al
19
alloy with Co and Zr additions was investigated using differential thermal analysis, differential scanning calorimetry, electrical resistivity measurements, optical microscopy, scanning electron microscopy, Vickers microhardness, and X-ray diffractometry. The results showed that the Co addition slightly increased the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, suppressed the eutectoid reaction and the
β
phase ordering, and introduced a new route for the
α
2
phase disordering. A mechanism to this phenomenon is suggested in the present work. On the other hand, the Zr addition did not significantly alter the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, decreased the intensity of the eutectoid reaction, and increased the
α
2
phase disordering rate and the
β
phase decomposition. Besides that, it introduced a new thermal event at higher temperatures, related to the dissolution of precipitates with Al. Both Zr and Co additions increased the electrical resistivity and the microhardness of the Cu
81
Al
19
alloy due to the precipitation of intermetallic compounds.</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>DOI: 10.1007/s10973-019-08452-w</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Alpha-2 phase (crystals) ; Analytical Chemistry ; Beta phase ; Chemistry ; Chemistry and Materials Science ; Diamond pyramid hardness ; Differential thermal analysis ; Electrical resistivity ; Eutectoid reactions ; Inorganic Chemistry ; Intermetallic compounds ; Measurement Science and Instrumentation ; Microscopy ; Optical microscopy ; Phase decomposition ; Phase ordering ; Physical Chemistry ; Polymer Sciences ; Precipitates ; Solidification ; Thermodynamic properties ; Zirconium</subject><ispartof>Journal of thermal analysis and calorimetry, 2019-12, Vol.138 (5), p.3525-3533</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-667b52563f5700ac8fbf0c5a0df17e798ddd5b5254c102e53f086298287554413</citedby><cites>FETCH-LOGICAL-c356t-667b52563f5700ac8fbf0c5a0df17e798ddd5b5254c102e53f086298287554413</cites><orcidid>0000-0002-7836-7983</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-019-08452-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-019-08452-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Pinto, R. D. A.</creatorcontrib><creatorcontrib>Ferreira, L. D. R.</creatorcontrib><creatorcontrib>Silva, R. A. G.</creatorcontrib><title>Effects of Co and Zr additions on the thermal behavior of the Cu81Al19 alloy</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>The thermal behavior of the annealed Cu
81
Al
19
alloy with Co and Zr additions was investigated using differential thermal analysis, differential scanning calorimetry, electrical resistivity measurements, optical microscopy, scanning electron microscopy, Vickers microhardness, and X-ray diffractometry. The results showed that the Co addition slightly increased the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, suppressed the eutectoid reaction and the
β
phase ordering, and introduced a new route for the
α
2
phase disordering. A mechanism to this phenomenon is suggested in the present work. On the other hand, the Zr addition did not significantly alter the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, decreased the intensity of the eutectoid reaction, and increased the
α
2
phase disordering rate and the
β
phase decomposition. Besides that, it introduced a new thermal event at higher temperatures, related to the dissolution of precipitates with Al. Both Zr and Co additions increased the electrical resistivity and the microhardness of the Cu
81
Al
19
alloy due to the precipitation of intermetallic compounds.</description><subject>Alpha-2 phase (crystals)</subject><subject>Analytical Chemistry</subject><subject>Beta phase</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Diamond pyramid hardness</subject><subject>Differential thermal analysis</subject><subject>Electrical resistivity</subject><subject>Eutectoid reactions</subject><subject>Inorganic Chemistry</subject><subject>Intermetallic compounds</subject><subject>Measurement Science and Instrumentation</subject><subject>Microscopy</subject><subject>Optical microscopy</subject><subject>Phase decomposition</subject><subject>Phase ordering</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Precipitates</subject><subject>Solidification</subject><subject>Thermodynamic properties</subject><subject>Zirconium</subject><issn>1388-6150</issn><issn>1588-2926</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEQxYMoWKtfwFPAc3SSbLLJsSz1DxS86MVLSHcTu2W7qcnW4rc36wrePAwzPH7vDTyErincUoDyLlHQJSdANQFVCEaOJ2hGhVKEaSZP883zLamAc3SR0hYAtAY6Q6ul964eEg4eVwHbvsFvEdumaYc29Fnu8bBx48Sd7fDabexnG-KIj3p1UHTRUY1t14WvS3TmbZfc1e-eo9f75Uv1SFbPD0_VYkVqLuRApCzXggnJvSgBbK382kMtLDSelq7UqmkaMRJFTYE5wT0oybRiqhSiKCifo5spdx_Dx8GlwWzDIfb5pWGcSkUzWGSKTVQdQ0rRebOP7c7GL0PBjK2ZqTWTWzM_rZljNvHJlDLcv7v4F_2P6xupgW1j</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Pinto, R. D. A.</creator><creator>Ferreira, L. D. R.</creator><creator>Silva, R. A. G.</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-7836-7983</orcidid></search><sort><creationdate>20191201</creationdate><title>Effects of Co and Zr additions on the thermal behavior of the Cu81Al19 alloy</title><author>Pinto, R. D. A. ; Ferreira, L. D. R. ; Silva, R. A. G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-667b52563f5700ac8fbf0c5a0df17e798ddd5b5254c102e53f086298287554413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alpha-2 phase (crystals)</topic><topic>Analytical Chemistry</topic><topic>Beta phase</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Diamond pyramid hardness</topic><topic>Differential thermal analysis</topic><topic>Electrical resistivity</topic><topic>Eutectoid reactions</topic><topic>Inorganic Chemistry</topic><topic>Intermetallic compounds</topic><topic>Measurement Science and Instrumentation</topic><topic>Microscopy</topic><topic>Optical microscopy</topic><topic>Phase decomposition</topic><topic>Phase ordering</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Precipitates</topic><topic>Solidification</topic><topic>Thermodynamic properties</topic><topic>Zirconium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pinto, R. D. A.</creatorcontrib><creatorcontrib>Ferreira, L. D. R.</creatorcontrib><creatorcontrib>Silva, R. A. G.</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pinto, R. D. A.</au><au>Ferreira, L. D. R.</au><au>Silva, R. A. G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Co and Zr additions on the thermal behavior of the Cu81Al19 alloy</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2019-12-01</date><risdate>2019</risdate><volume>138</volume><issue>5</issue><spage>3525</spage><epage>3533</epage><pages>3525-3533</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><abstract>The thermal behavior of the annealed Cu
81
Al
19
alloy with Co and Zr additions was investigated using differential thermal analysis, differential scanning calorimetry, electrical resistivity measurements, optical microscopy, scanning electron microscopy, Vickers microhardness, and X-ray diffractometry. The results showed that the Co addition slightly increased the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, suppressed the eutectoid reaction and the
β
phase ordering, and introduced a new route for the
α
2
phase disordering. A mechanism to this phenomenon is suggested in the present work. On the other hand, the Zr addition did not significantly alter the critical temperatures of melting and solidification of the Cu
81
Al
19
alloy, decreased the intensity of the eutectoid reaction, and increased the
α
2
phase disordering rate and the
β
phase decomposition. Besides that, it introduced a new thermal event at higher temperatures, related to the dissolution of precipitates with Al. Both Zr and Co additions increased the electrical resistivity and the microhardness of the Cu
81
Al
19
alloy due to the precipitation of intermetallic compounds.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10973-019-08452-w</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-7836-7983</orcidid></addata></record> |
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| ispartof | Journal of thermal analysis and calorimetry, 2019-12, Vol.138 (5), p.3525-3533 |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Alpha-2 phase (crystals) Analytical Chemistry Beta phase Chemistry Chemistry and Materials Science Diamond pyramid hardness Differential thermal analysis Electrical resistivity Eutectoid reactions Inorganic Chemistry Intermetallic compounds Measurement Science and Instrumentation Microscopy Optical microscopy Phase decomposition Phase ordering Physical Chemistry Polymer Sciences Precipitates Solidification Thermodynamic properties Zirconium |
| title | Effects of Co and Zr additions on the thermal behavior of the Cu81Al19 alloy |
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