Study on the effect of phosphorus on anti-softening performance of oxygen-free copper
This study investigates the preparation of oxygen-free copper with varying phosphorus (P) content through vacuum melting and examines the influence of P on the mechanical properties, softening resistance, and microstructure of the material. The results indicate that as the P content increases (≤1400...
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Elsevier
2024-11-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424022579 |
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| author | Zihao Zhang Haitao Liu Yunxiao Hua Baofeng Zhang Zhenguo Hou Weiqiang Li Kexing Song |
| author_facet | Zihao Zhang Haitao Liu Yunxiao Hua Baofeng Zhang Zhenguo Hou Weiqiang Li Kexing Song |
| author_sort | Zihao Zhang |
| collection | DOAJ |
| description | This study investigates the preparation of oxygen-free copper with varying phosphorus (P) content through vacuum melting and examines the influence of P on the mechanical properties, softening resistance, and microstructure of the material. The results indicate that as the P content increases (≤1400 wt ppm), the grain size of the oxygen-free copper becomes progressively finer, resulting in significant improvements in microhardness and softening temperature. Notably, when the P content reaches 1400 wt ppm, the microhardness and softening temperature (121.4 HV, 341.35 °C) are markedly superior compared to those with a P content of 0.01 wt ppm (101.89 HV, 210.31 °C). Electron backscatter diffraction (EBSD) was used to analyze the samples before and after softening annealing, and it was found that the P element inhibited the recrystallization behavior of oxygen-free copper by hindering dislocation movement, thereby achieving the effect of increasing the softening temperature. Transmission electron microscopy (TEM) results further demonstrate that annealing softening in P-containing oxygen-free copper (1400 wt ppm) predominantly occurs through discontinuous dynamic recrystallization (DDRX) and twinning dynamic recrystallization (TDRX), thereby altering the recrystallization mechanism of the copper. |
| format | Article |
| id | doaj-art-5bdb78abefd548e0aa6127b0051b6201 |
| institution | DOAJ |
| issn | 2238-7854 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-5bdb78abefd548e0aa6127b0051b62012025-08-20T02:39:15ZengElsevierJournal of Materials Research and Technology2238-78542024-11-01332612262310.1016/j.jmrt.2024.09.252Study on the effect of phosphorus on anti-softening performance of oxygen-free copperZihao Zhang0Haitao Liu1Yunxiao Hua2Baofeng Zhang3Zhenguo Hou4Weiqiang Li5Kexing Song6School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China; Provincial and Ministerial Co-construction of Collaborative Innovation Center for Nonferrous New Materials and Advanced Processing Technology, Luoyang, 471023, China; Corresponding author. Provincial and Ministerial Co-construction of Collaborative Innovation Center for Non-ferrous Metal New Materials and Advanced Processing Technology, School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China.School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, ChinaFaculty of Engineering, Huanghe Science and Technology College, Zhengzhou, 450063, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China; Henan Academy of Sciences, Zhengzhou, 450000, China; Corresponding author. School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China.This study investigates the preparation of oxygen-free copper with varying phosphorus (P) content through vacuum melting and examines the influence of P on the mechanical properties, softening resistance, and microstructure of the material. The results indicate that as the P content increases (≤1400 wt ppm), the grain size of the oxygen-free copper becomes progressively finer, resulting in significant improvements in microhardness and softening temperature. Notably, when the P content reaches 1400 wt ppm, the microhardness and softening temperature (121.4 HV, 341.35 °C) are markedly superior compared to those with a P content of 0.01 wt ppm (101.89 HV, 210.31 °C). Electron backscatter diffraction (EBSD) was used to analyze the samples before and after softening annealing, and it was found that the P element inhibited the recrystallization behavior of oxygen-free copper by hindering dislocation movement, thereby achieving the effect of increasing the softening temperature. Transmission electron microscopy (TEM) results further demonstrate that annealing softening in P-containing oxygen-free copper (1400 wt ppm) predominantly occurs through discontinuous dynamic recrystallization (DDRX) and twinning dynamic recrystallization (TDRX), thereby altering the recrystallization mechanism of the copper.http://www.sciencedirect.com/science/article/pii/S2238785424022579POxygen-free copperSoftening resistanceRecrystallization behaviorMicrostructure |
| spellingShingle | Zihao Zhang Haitao Liu Yunxiao Hua Baofeng Zhang Zhenguo Hou Weiqiang Li Kexing Song Study on the effect of phosphorus on anti-softening performance of oxygen-free copper Journal of Materials Research and Technology P Oxygen-free copper Softening resistance Recrystallization behavior Microstructure |
| title | Study on the effect of phosphorus on anti-softening performance of oxygen-free copper |
| title_full | Study on the effect of phosphorus on anti-softening performance of oxygen-free copper |
| title_fullStr | Study on the effect of phosphorus on anti-softening performance of oxygen-free copper |
| title_full_unstemmed | Study on the effect of phosphorus on anti-softening performance of oxygen-free copper |
| title_short | Study on the effect of phosphorus on anti-softening performance of oxygen-free copper |
| title_sort | study on the effect of phosphorus on anti softening performance of oxygen free copper |
| topic | P Oxygen-free copper Softening resistance Recrystallization behavior Microstructure |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424022579 |
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