Properties and microstructure of copper–titanium alloys with magnesium additions
The volume fractions and morphology of precipitates in precipitation-strengthened Cu-Ti alloys, which precipitate mainly as continuous and discontinuous precipitates, are important for the application of the alloy. This study employed hardness and electrical conductivity tests, transmission electron...
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| Veröffentlicht in: | Rare metals 2024-05, Vol.43 (5), p.2290-2299 |
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| creator | Huang, Lue Peng, Li-Jun Li, Jiang Mi, Xu-Jun Zhao, Gang Huang, Guo-Jie Xie, Hao-Feng Cao, Yi-Cheng Zhang, Wen-Jing Yang, Zhen |
| description | The volume fractions and morphology of precipitates in precipitation-strengthened Cu-Ti alloys, which precipitate mainly as continuous and discontinuous precipitates, are important for the application of the alloy. This study employed hardness and electrical conductivity tests, transmission electron microscopy (TEM), atom probe tomography (APT), and first-principles calculations to demonstrate that the addition of Mg is effective for accelerating nanosized continuous β′-Cu
4
Ti precipitation as well as for suppressing the precipitation of coarse lamellar discontinuous β-Cu
4
Ti precipitates along the grain boundaries, resulting in Cu-Ti alloys with high yield strength and good electrical conductivity. The results showed that the continuous precipitation of β′-Cu
4
Ti was accelerated by the Mg additions, which reduced the supersaturation of the matrix, thereby reducing the chemical driving force for the discontinuous precipitates. On the other hand, Mg additions increased the mismatch between the discontinuous β-Cu
4
Ti precipitates and matrix, decreased the nucleation rate of the discontinuous precipitates, and increased the spacing of the discontinuous precipitation layer, resulting in a lower growth rate of the discontinuous precipitates. Therefore, the addition of Mg to Cu-Ti alloys enhances the strength and improves the resistance to over-ageing.
Graphical abstract |
| doi_str_mv | 10.1007/s12598-023-02544-1 |
| format | Article |
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4
Ti precipitation as well as for suppressing the precipitation of coarse lamellar discontinuous β-Cu
4
Ti precipitates along the grain boundaries, resulting in Cu-Ti alloys with high yield strength and good electrical conductivity. The results showed that the continuous precipitation of β′-Cu
4
Ti was accelerated by the Mg additions, which reduced the supersaturation of the matrix, thereby reducing the chemical driving force for the discontinuous precipitates. On the other hand, Mg additions increased the mismatch between the discontinuous β-Cu
4
Ti precipitates and matrix, decreased the nucleation rate of the discontinuous precipitates, and increased the spacing of the discontinuous precipitation layer, resulting in a lower growth rate of the discontinuous precipitates. Therefore, the addition of Mg to Cu-Ti alloys enhances the strength and improves the resistance to over-ageing.
Graphical abstract</description><identifier>ISSN: 1001-0521</identifier><identifier>EISSN: 1867-7185</identifier><identifier>DOI: 10.1007/s12598-023-02544-1</identifier><language>eng</language><publisher>Beijing: Nonferrous Metals Society of China</publisher><subject>Aging (metallurgy) ; Biomaterials ; Cellular precipitates ; Chemistry and Materials Science ; Copper ; Copper base alloys ; Electrical resistivity ; Energy ; First principles ; Fractions ; Grain boundaries ; Magnesium ; Materials Engineering ; Materials Science ; Metallic Materials ; Nanoscale Science and Technology ; Nucleation ; Original Article ; Physical Chemistry ; Precipitates ; Supersaturation ; Titanium ; Titanium alloys</subject><ispartof>Rare metals, 2024-05, Vol.43 (5), p.2290-2299</ispartof><rights>Youke Publishing Co.,Ltd 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-9c6bea62ed885a50d48a964bf6ffdde96d8eea05a186fb06a72e7726bb17cd713</cites><orcidid>0000-0001-6190-8993</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/s12598-023-02544-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12598-023-02544-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>Huang, Lue</creatorcontrib><creatorcontrib>Peng, Li-Jun</creatorcontrib><creatorcontrib>Li, Jiang</creatorcontrib><creatorcontrib>Mi, Xu-Jun</creatorcontrib><creatorcontrib>Zhao, Gang</creatorcontrib><creatorcontrib>Huang, Guo-Jie</creatorcontrib><creatorcontrib>Xie, Hao-Feng</creatorcontrib><creatorcontrib>Cao, Yi-Cheng</creatorcontrib><creatorcontrib>Zhang, Wen-Jing</creatorcontrib><creatorcontrib>Yang, Zhen</creatorcontrib><title>Properties and microstructure of copper–titanium alloys with magnesium additions</title><title>Rare metals</title><addtitle>Rare Met</addtitle><description>The volume fractions and morphology of precipitates in precipitation-strengthened Cu-Ti alloys, which precipitate mainly as continuous and discontinuous precipitates, are important for the application of the alloy. This study employed hardness and electrical conductivity tests, transmission electron microscopy (TEM), atom probe tomography (APT), and first-principles calculations to demonstrate that the addition of Mg is effective for accelerating nanosized continuous β′-Cu
4
Ti precipitation as well as for suppressing the precipitation of coarse lamellar discontinuous β-Cu
4
Ti precipitates along the grain boundaries, resulting in Cu-Ti alloys with high yield strength and good electrical conductivity. The results showed that the continuous precipitation of β′-Cu
4
Ti was accelerated by the Mg additions, which reduced the supersaturation of the matrix, thereby reducing the chemical driving force for the discontinuous precipitates. On the other hand, Mg additions increased the mismatch between the discontinuous β-Cu
4
Ti precipitates and matrix, decreased the nucleation rate of the discontinuous precipitates, and increased the spacing of the discontinuous precipitation layer, resulting in a lower growth rate of the discontinuous precipitates. Therefore, the addition of Mg to Cu-Ti alloys enhances the strength and improves the resistance to over-ageing.
Graphical abstract</description><subject>Aging (metallurgy)</subject><subject>Biomaterials</subject><subject>Cellular precipitates</subject><subject>Chemistry and Materials Science</subject><subject>Copper</subject><subject>Copper base alloys</subject><subject>Electrical resistivity</subject><subject>Energy</subject><subject>First principles</subject><subject>Fractions</subject><subject>Grain boundaries</subject><subject>Magnesium</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanoscale Science and Technology</subject><subject>Nucleation</subject><subject>Original Article</subject><subject>Physical Chemistry</subject><subject>Precipitates</subject><subject>Supersaturation</subject><subject>Titanium</subject><subject>Titanium alloys</subject><issn>1001-0521</issn><issn>1867-7185</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kM9KxDAQxoMouK6-gKeC5-okbf70KIv_YEERPYe0Sdcs26YmKbI338E39EnMbgVvHoYZht98w_chdI7hEgPwq4AJrUQOpEhFyzLHB2iGBeM5x4IephkA50AJPkYnIawBypIxmKHnJ-8G46M1IVO9zjrbeBeiH5s4epO5NmvckIDvz69oo-rt2GVqs3HbkH3Y-JZ1atWbsN9qbaN1fThFR63aBHP22-fo9fbmZXGfLx_vHhbXy7whHGJeNaw2ihGjhaCKgi6FqlhZt6xttTYV08IYBVQlG20NTHFiOCesrjFvNMfFHF1MuoN376MJUa7d6Pv0UhZQFEIAYyJRZKJ2voI3rRy87ZTfSgxyl52cspMpO7nPTu6ki-koJLhfGf8n_c_VD2fSdO0</recordid><startdate>20240501</startdate><enddate>20240501</enddate><creator>Huang, Lue</creator><creator>Peng, Li-Jun</creator><creator>Li, Jiang</creator><creator>Mi, Xu-Jun</creator><creator>Zhao, Gang</creator><creator>Huang, Guo-Jie</creator><creator>Xie, Hao-Feng</creator><creator>Cao, Yi-Cheng</creator><creator>Zhang, Wen-Jing</creator><creator>Yang, Zhen</creator><general>Nonferrous Metals Society of China</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-6190-8993</orcidid></search><sort><creationdate>20240501</creationdate><title>Properties and microstructure of copper–titanium alloys with magnesium additions</title><author>Huang, Lue ; Peng, Li-Jun ; Li, Jiang ; Mi, Xu-Jun ; Zhao, Gang ; Huang, Guo-Jie ; Xie, Hao-Feng ; Cao, Yi-Cheng ; Zhang, Wen-Jing ; Yang, Zhen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-9c6bea62ed885a50d48a964bf6ffdde96d8eea05a186fb06a72e7726bb17cd713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Aging (metallurgy)</topic><topic>Biomaterials</topic><topic>Cellular precipitates</topic><topic>Chemistry and Materials Science</topic><topic>Copper</topic><topic>Copper base alloys</topic><topic>Electrical resistivity</topic><topic>Energy</topic><topic>First principles</topic><topic>Fractions</topic><topic>Grain boundaries</topic><topic>Magnesium</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Nanoscale Science and Technology</topic><topic>Nucleation</topic><topic>Original Article</topic><topic>Physical Chemistry</topic><topic>Precipitates</topic><topic>Supersaturation</topic><topic>Titanium</topic><topic>Titanium alloys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Lue</creatorcontrib><creatorcontrib>Peng, Li-Jun</creatorcontrib><creatorcontrib>Li, Jiang</creatorcontrib><creatorcontrib>Mi, Xu-Jun</creatorcontrib><creatorcontrib>Zhao, Gang</creatorcontrib><creatorcontrib>Huang, Guo-Jie</creatorcontrib><creatorcontrib>Xie, Hao-Feng</creatorcontrib><creatorcontrib>Cao, Yi-Cheng</creatorcontrib><creatorcontrib>Zhang, Wen-Jing</creatorcontrib><creatorcontrib>Yang, Zhen</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Rare metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Lue</au><au>Peng, Li-Jun</au><au>Li, Jiang</au><au>Mi, Xu-Jun</au><au>Zhao, Gang</au><au>Huang, Guo-Jie</au><au>Xie, Hao-Feng</au><au>Cao, Yi-Cheng</au><au>Zhang, Wen-Jing</au><au>Yang, Zhen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Properties and microstructure of copper–titanium alloys with magnesium additions</atitle><jtitle>Rare metals</jtitle><stitle>Rare Met</stitle><date>2024-05-01</date><risdate>2024</risdate><volume>43</volume><issue>5</issue><spage>2290</spage><epage>2299</epage><pages>2290-2299</pages><issn>1001-0521</issn><eissn>1867-7185</eissn><abstract>The volume fractions and morphology of precipitates in precipitation-strengthened Cu-Ti alloys, which precipitate mainly as continuous and discontinuous precipitates, are important for the application of the alloy. This study employed hardness and electrical conductivity tests, transmission electron microscopy (TEM), atom probe tomography (APT), and first-principles calculations to demonstrate that the addition of Mg is effective for accelerating nanosized continuous β′-Cu
4
Ti precipitation as well as for suppressing the precipitation of coarse lamellar discontinuous β-Cu
4
Ti precipitates along the grain boundaries, resulting in Cu-Ti alloys with high yield strength and good electrical conductivity. The results showed that the continuous precipitation of β′-Cu
4
Ti was accelerated by the Mg additions, which reduced the supersaturation of the matrix, thereby reducing the chemical driving force for the discontinuous precipitates. On the other hand, Mg additions increased the mismatch between the discontinuous β-Cu
4
Ti precipitates and matrix, decreased the nucleation rate of the discontinuous precipitates, and increased the spacing of the discontinuous precipitation layer, resulting in a lower growth rate of the discontinuous precipitates. Therefore, the addition of Mg to Cu-Ti alloys enhances the strength and improves the resistance to over-ageing.
Graphical abstract</abstract><cop>Beijing</cop><pub>Nonferrous Metals Society of China</pub><doi>10.1007/s12598-023-02544-1</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-6190-8993</orcidid></addata></record> |
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| subjects | Aging (metallurgy) Biomaterials Cellular precipitates Chemistry and Materials Science Copper Copper base alloys Electrical resistivity Energy First principles Fractions Grain boundaries Magnesium Materials Engineering Materials Science Metallic Materials Nanoscale Science and Technology Nucleation Original Article Physical Chemistry Precipitates Supersaturation Titanium Titanium alloys |
| title | Properties and microstructure of copper–titanium alloys with magnesium additions |
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