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Effect of Cr addition on organization and magnetic properties of FeNi alloys
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Yingying HUANG1, Cong WU2, Liangying TANG2, Huachen LIU2, Qianqian KONG1, Zhenhua YAO1
Journal of Materials Engineering | 2025, 53(12) : 193 - 199
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Journal of Materials Engineering | 2025, 53(12): 193-199
• RESEARCH ARTICLE •
Effect of Cr addition on organization and magnetic properties of FeNi alloys
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Yingying HUANG1, Cong WU2, Liangying TANG2, Huachen LIU2, Qianqian KONG1, Zhenhua YAO1
Affiliations
  • 1.School of Materials Science and Engineering，Wuhan University of Technology，Wuhan 430070，China
  • 2.New Tobacco Products Engineering Center，China Tobacco Hubei Industrial Co. ，Ltd. ，Wuhan 430040，China
Published: 2025-12-20 doi: 10.11868/j.issn.1001-4381.2023.000664
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To reduce the Curie temperature of iron-nickel soft magnetic alloy materials and improve their temperature applicability in the field of smoke heating， powder metallurgy is used to prepare iron-nickel alloy soft magnetic materials. The alloy powder of different components is pressed by ball grinding mixture and vacuum sintering at 1380 ℃ and 1400 ℃. The influence of Cr addition on the tissue properties of FeNi alloy is analyzed by X-ray diffractometer （XRD），electron probe microanalyzer，soft magnetic DC B-H meter， and PPMS. The results show that the samples produced at a sintering temperature of 1400 ℃ have a uniform and dense organization with better comprehensive magnetic and electrical conductivity. The magnetic performance of soft magnetic materials is closely related to the composition. The addition of Cr improves the density and hardness of FeNi alloys，together increases the resistivity of FeNi alloys，while decreases the magnetic permeability and the Curie temperature significantly.

powder metallurgy  /  soft magnetic material  /  density  /  magnetic performance  /  electrical conductivity
黄莺莺, 吴聪, 唐良颖, 刘华臣, 孔倩倩, 姚振华. Cr添加对FeNi合金组织及磁性能影响. 材料工程, 2025 , 53 (12) : 193 -199 . DOI: 10.11868/j.issn.1001-4381.2023.000664
Yingying HUANG, Cong WU, Liangying TANG, Huachen LIU, Qianqian KONG, Zhenhua YAO. Effect of Cr addition on organization and magnetic properties of FeNi alloys[J]. Journal of Materials Engineering, 2025 , 53 (12) : 193 -199 . DOI: 10.11868/j.issn.1001-4381.2023.000664
Appendix
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Year 2025 volume 53 Issue 12
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Article Info
doi: 10.11868/j.issn.1001-4381.2023.000664
  • Receive Date：2023-10-08
  • Online Date：2026-10-26
  • Published：2025-12-20
Article Data
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History
  • Received：2023-10-08
  • Accepted：2023-11-21
Funding
Affiliations
    1.School of Materials Science and Engineering，Wuhan University of Technology，Wuhan 430070，China
    2.New Tobacco Products Engineering Center，China Tobacco Hubei Industrial Co. ，Ltd. ，Wuhan 430040，China
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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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