Effects of particle shape and temperature on compaction of copper powder at micro scale
This study investigated the effects of particle shape and temperature on the compaction of copper powder at micro scale. Copper powder particles were compressed inside a cylindrical die cavity with 2 mm diameter to form compacts with about 3 mm height. Two kinds of particle shapes, spherical and den...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2017-01-01
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| Series: | MATEC Web of Conferences |
| Online Access: | https://doi.org/10.1051/matecconf/201712300011 |
| _version_ | 1818349013789835264 |
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| author | Chang Chao-Cheng Wu Ming-Ru |
| author_facet | Chang Chao-Cheng Wu Ming-Ru |
| author_sort | Chang Chao-Cheng |
| collection | DOAJ |
| description | This study investigated the effects of particle shape and temperature on the compaction of copper powder at micro scale. Copper powder particles were compressed inside a cylindrical die cavity with 2 mm diameter to form compacts with about 3 mm height. Two kinds of particle shapes, spherical and dendritic, and two forming temperatures, room temperature and 400 °C, were considered in the experiments. Some of the produced compacts were further sintered at 600 °C. The study also used simple upsetting tests to investigate the characteristics of the deformation of the compacts under compressive stresses. The results showed that the compacts produced at room temperature demonstrated brittle deformations. However, by increasing the forming temperature to 400 °C, ductile deformations have been observed on the compacts of dendritic particles. Furthermore, the sintering treatment resulted in increases in dimensions, decreases in relative density and hardness, and an increase in ductility. It also led to pore growths which have been seen on scanning-electron microscope images. These phenomena were most significant in the dendritic powder compacts which were produced at 400 °C and treated by the sintering process. |
| first_indexed | 2024-12-13T17:59:12Z |
| format | Article |
| id | doaj.art-56a539d685c446248e355abdc8141724 |
| institution | Directory Open Access Journal |
| issn | 2261-236X |
| language | English |
| last_indexed | 2024-12-13T17:59:12Z |
| publishDate | 2017-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | MATEC Web of Conferences |
| spelling | doaj.art-56a539d685c446248e355abdc81417242022-12-21T23:36:16ZengEDP SciencesMATEC Web of Conferences2261-236X2017-01-011230001110.1051/matecconf/201712300011matecconf_icpmmt2017_00011Effects of particle shape and temperature on compaction of copper powder at micro scaleChang Chao-ChengWu Ming-RuThis study investigated the effects of particle shape and temperature on the compaction of copper powder at micro scale. Copper powder particles were compressed inside a cylindrical die cavity with 2 mm diameter to form compacts with about 3 mm height. Two kinds of particle shapes, spherical and dendritic, and two forming temperatures, room temperature and 400 °C, were considered in the experiments. Some of the produced compacts were further sintered at 600 °C. The study also used simple upsetting tests to investigate the characteristics of the deformation of the compacts under compressive stresses. The results showed that the compacts produced at room temperature demonstrated brittle deformations. However, by increasing the forming temperature to 400 °C, ductile deformations have been observed on the compacts of dendritic particles. Furthermore, the sintering treatment resulted in increases in dimensions, decreases in relative density and hardness, and an increase in ductility. It also led to pore growths which have been seen on scanning-electron microscope images. These phenomena were most significant in the dendritic powder compacts which were produced at 400 °C and treated by the sintering process.https://doi.org/10.1051/matecconf/201712300011 |
| spellingShingle | Chang Chao-Cheng Wu Ming-Ru Effects of particle shape and temperature on compaction of copper powder at micro scale MATEC Web of Conferences |
| title | Effects of particle shape and temperature on compaction of copper powder at micro scale |
| title_full | Effects of particle shape and temperature on compaction of copper powder at micro scale |
| title_fullStr | Effects of particle shape and temperature on compaction of copper powder at micro scale |
| title_full_unstemmed | Effects of particle shape and temperature on compaction of copper powder at micro scale |
| title_short | Effects of particle shape and temperature on compaction of copper powder at micro scale |
| title_sort | effects of particle shape and temperature on compaction of copper powder at micro scale |
| url | https://doi.org/10.1051/matecconf/201712300011 |
| work_keys_str_mv | AT changchaocheng effectsofparticleshapeandtemperatureoncompactionofcopperpowderatmicroscale AT wumingru effectsofparticleshapeandtemperatureoncompactionofcopperpowderatmicroscale |