Fabrication and Characterization of Porous Copper with Ultrahigh Porosity
The fabrication of porous copper with ultrahigh porosity by adding 90% spacer content was an unsolved technical problem in the field. In this study, the green compacts placed on a layer wire mesh during the decomposition process of needlelike carbamide as space holder with volume content up to 90% w...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-07-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/12/8/1263 |
| _version_ | 1797408925538058240 |
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| author | Jian Xiao Yong Li Jinming Liu Qianlei Zhao |
| author_facet | Jian Xiao Yong Li Jinming Liu Qianlei Zhao |
| author_sort | Jian Xiao |
| collection | DOAJ |
| description | The fabrication of porous copper with ultrahigh porosity by adding 90% spacer content was an unsolved technical problem in the field. In this study, the green compacts placed on a layer wire mesh during the decomposition process of needlelike carbamide as space holder with volume content up to 90% was successfully conducted to fabricate nondestructive porous copper. Compared with the green compacts directly placed on an alumina plate, the use of this support was crucial for manufacturing highly-porous copper. Characterization of macro- and microscopic morphologies as well as quasi-static compressive test for the obtained porous copper samples was carried out. The results show that the porosity of porous copper samples with 87.3% was slightly smaller than the spacer content. The SEM observation indicates that the internal pores of porous copper formed an open-cell structure and its skeleton was very dense. The compressive tests show that the stress–strain curve of a porous copper sample exhibits the typical characteristics of elastic-plastic metal foam. The energy absorption properties of porous copper samples were also comparable. This study provides a possibility for the preparation of porous copper and other metals with ultrahigh porosity by the well-known space holder method. |
| first_indexed | 2024-03-09T04:05:43Z |
| format | Article |
| id | doaj.art-8def453eaec34ac18c84c5486c4cb81b |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-09T04:05:43Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-8def453eaec34ac18c84c5486c4cb81b2023-12-03T14:06:36ZengMDPI AGMetals2075-47012022-07-01128126310.3390/met12081263Fabrication and Characterization of Porous Copper with Ultrahigh PorosityJian Xiao0Yong Li1Jinming Liu2Qianlei Zhao3Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, ChinaFaculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, ChinaFaculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, ChinaFaculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, ChinaThe fabrication of porous copper with ultrahigh porosity by adding 90% spacer content was an unsolved technical problem in the field. In this study, the green compacts placed on a layer wire mesh during the decomposition process of needlelike carbamide as space holder with volume content up to 90% was successfully conducted to fabricate nondestructive porous copper. Compared with the green compacts directly placed on an alumina plate, the use of this support was crucial for manufacturing highly-porous copper. Characterization of macro- and microscopic morphologies as well as quasi-static compressive test for the obtained porous copper samples was carried out. The results show that the porosity of porous copper samples with 87.3% was slightly smaller than the spacer content. The SEM observation indicates that the internal pores of porous copper formed an open-cell structure and its skeleton was very dense. The compressive tests show that the stress–strain curve of a porous copper sample exhibits the typical characteristics of elastic-plastic metal foam. The energy absorption properties of porous copper samples were also comparable. This study provides a possibility for the preparation of porous copper and other metals with ultrahigh porosity by the well-known space holder method.https://www.mdpi.com/2075-4701/12/8/1263metal foamporous metalpowder metallurgyspace holderultrahigh porosity |
| spellingShingle | Jian Xiao Yong Li Jinming Liu Qianlei Zhao Fabrication and Characterization of Porous Copper with Ultrahigh Porosity Metals metal foam porous metal powder metallurgy space holder ultrahigh porosity |
| title | Fabrication and Characterization of Porous Copper with Ultrahigh Porosity |
| title_full | Fabrication and Characterization of Porous Copper with Ultrahigh Porosity |
| title_fullStr | Fabrication and Characterization of Porous Copper with Ultrahigh Porosity |
| title_full_unstemmed | Fabrication and Characterization of Porous Copper with Ultrahigh Porosity |
| title_short | Fabrication and Characterization of Porous Copper with Ultrahigh Porosity |
| title_sort | fabrication and characterization of porous copper with ultrahigh porosity |
| topic | metal foam porous metal powder metallurgy space holder ultrahigh porosity |
| url | https://www.mdpi.com/2075-4701/12/8/1263 |
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