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Effects of Thermo-mechanical Treatment on Microstructure and Properties of C19210 Alloy
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Xinyang Li1, Mengfei Zhang1, Yuhong Zhao1, Tao Gu1, Jie Jing2, Jiaqi Lan2, Peng Su2, Jialiang Huang3
Copper Engineering | 2026, (3) : 59 - 66
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Copper Engineering | 2026, (3): 59-66
• Material Preparation and Process Engineering •
Effects of Thermo-mechanical Treatment on Microstructure and Properties of C19210 Alloy
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Xinyang Li1, Mengfei Zhang1, Yuhong Zhao1, Tao Gu1, Jie Jing2, Jiaqi Lan2, Peng Su2, Jialiang Huang3
Affiliations
  • 1.School of Materials Science and Engineering，North University of China，Taiyuan 030051，China
  • 2.Taiyuan Jinxi Chunlei Copper Company Limited，Taiyuan 030008，China
  • 3.Yuncheng Kangdao Metal Technology Company Limited，Hejin 043399，China
Published: 2026-06-28 doi: 10.3969/j.issn.1009-3842.2026.03.007
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C19210 is one of the Cu-Fe-P alloys extensively employed in the electronics industry. In order to enhance strength and electrical conductivity of the alloy, thermo-mechanical treatment was applied. In this work, the influences of deformation heat treatment on the mechanical properties, electrical conductivity, and microstructure of C19210 were investigated. Results showed that the optimal properties, including a Vickers hardness of 134HV, tensile strength of 445 MPa, electrical conductivity of 88.4%IACS, and elongation of 16.3%, can be achieved through an optimized combinatorial process: solution treatment at 900 ℃ for 120 min, primary cold rolling (80% reduction) with aging at 450 ℃ for 240 min, followed by secondary cold rolling (50% reduction) and aging at 450 ℃ for 60 min. Microstructural observations revealed that combined effects of precipitation strengthening from dispersed precipitates and grain refinement from fine recrystallized grains contributed to the improvement of strength and electrical conductivity. These findings provided a theoretical and practical foundation for optimizing the performance and engineering application of Cu-Fe-P alloys.

Cu-Fe-P alloy  /  thermo-mechanical treatment  /  solution treatment  /  aging  /  microstructure  /  mechanical property
Xinyang Li, Mengfei Zhang, Yuhong Zhao, Tao Gu, Jie Jing, Jiaqi Lan, Peng Su, Jialiang Huang. Effects of Thermo-mechanical Treatment on Microstructure and Properties of C19210 Alloy[J]. Copper Engineering, 2026 , (3) : 59 -66 . DOI: 10.3969/j.issn.1009-3842.2026.03.007
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Article Info
doi: 10.3969/j.issn.1009-3842.2026.03.007
  • Receive Date：2025-10-14
  • Online Date：2026-09-08
  • Published：2026-06-28
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History
  • Received：2025-10-14
  • Revised：2025-12-29
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Affiliations
    1.School of Materials Science and Engineering，North University of China，Taiyuan 030051，China
    2.Taiyuan Jinxi Chunlei Copper Company Limited，Taiyuan 030008，China
    3.Yuncheng Kangdao Metal Technology Company Limited，Hejin 043399，China
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https://castjournals.cast.org.cn/joweb/tygc/EN/10.3969/j.issn.1009-3842.2026.03.007
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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