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The high carbon medium manganese steel is with the La+Ce complex processing. The occurrence state and change rules of storage for La and Ce in high carbon medium manganese steel as well as the effects of La and Ce on sulfides, oxide inclusions, microstructure, static compression hardening efficiency and impact wear property are systematically studied through the composition analysis, microstructure observation, 30% static compression, impact wear test and theoretical analysis. The study results showed that the contents of solid solution La and Ce in steel could not be increased by adding into a large amount of La and Ce as well as they all remained below 0.003 5% for high carbon medium manganese steel. The 30% static compression hardening efficiency at room temperature can be improved with La and Ce, from 94.4% without La and Ce to 96.68%~108.2% with La and Ce; impact wear resistance of sample is improved with La and Ce as well as relative wear resistance is increased by 1.057 0~1.606 9 times when impact load is 2 J and 1.080 4~1.374 1 times when impact load is 5 J. Under the experimental conditions, the optimal amount of La+Ce added into high carbon medium manganese steel is 0.20%~0.25%.

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对高碳中锰钢采用La+Ce复合处理,通过成分分析、组织观察、30%静态压缩、冲击磨损试验和理论分析,系统研究了La、Ce在高碳中锰钢中的赋存状态和存量的变化规律,La、Ce对硫化物、氧化物夹杂、微观组织和静态压缩硬化效率、冲击磨损性能的影响。研究结果表明,对于高碳中锰钢而言,加入大量的La、Ce并不能增加钢中固溶La、Ce含量,固溶La、Ce含量均保持在0.003 5%以下。La、Ce能提升常温30%静态压缩硬化效率,使压缩硬化效率从未加La、Ce的94.4%增加到添加La、Ce的96.68%~108.2%;La、Ce提高了试样的抗冲击磨损性,相对耐磨性在2 J冲击载荷时提高了1.057 0~1.606 9倍,5 J冲击载荷时提高了1.080 4~1.374 1倍。在本试验条件下,高碳中锰钢中La+Ce最佳加入量为0.20%~0.25%。

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王权(1962-),男,内蒙古包头市人,硕士,正高级工程师,现从事金属材料的研发工作。

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王权(1962-),男,内蒙古包头市人,硕士,正高级工程师,现从事金属材料的研发工作。

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王权(1962-),男,内蒙古包头市人,硕士,正高级工程师,现从事金属材料的研发工作。

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La+Ce复合处理高碳中锰钢的塑变行为及磨损性能
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王权 1 , 齐璘玉宇 2 , 孙磊 1 , 王子轩 1
包钢科技 | 品种质量与试验研 2026,52(2): 53-60
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包钢科技 | 品种质量与试验研 2026, 52(2): 53-60
La+Ce复合处理高碳中锰钢的塑变行为及磨损性能
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王权1, 齐璘玉宇2, 孙磊1, 王子轩1
作者信息
  • 1.内蒙古中天宏远稀土新材料股份公司,内蒙古 包头 014010
  • 2.包钢勘察测绘研究院,内蒙古 包头 014010
  • 王权(1962-),男,内蒙古包头市人,硕士,正高级工程师,现从事金属材料的研发工作。

Plastic Deformation Behavior and Wear Property of High Carbon Medium Manganese Steel with La+Ce Complex Processing
Quan Wang1, Linyuyu Qi2, Lei Sun1, Zixuan Wang1
Affiliations
  • 1.Inner Mongolia Zhongtian Hongyuan New Rare Earth Materials Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Baotou Steel Surveying and Mapping Research Institute, Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2026-04-25
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对高碳中锰钢采用La+Ce复合处理,通过成分分析、组织观察、30%静态压缩、冲击磨损试验和理论分析,系统研究了La、Ce在高碳中锰钢中的赋存状态和存量的变化规律,La、Ce对硫化物、氧化物夹杂、微观组织和静态压缩硬化效率、冲击磨损性能的影响。研究结果表明,对于高碳中锰钢而言,加入大量的La、Ce并不能增加钢中固溶La、Ce含量,固溶La、Ce含量均保持在0.003 5%以下。La、Ce能提升常温30%静态压缩硬化效率,使压缩硬化效率从未加La、Ce的94.4%增加到添加La、Ce的96.68%~108.2%;La、Ce提高了试样的抗冲击磨损性,相对耐磨性在2 J冲击载荷时提高了1.057 0~1.606 9倍,5 J冲击载荷时提高了1.080 4~1.374 1倍。在本试验条件下,高碳中锰钢中La+Ce最佳加入量为0.20%~0.25%。

La+Ce  /  高碳中锰钢  /  微观组织  /  静态压缩行为  /  冲击磨损性能

The high carbon medium manganese steel is with the La+Ce complex processing. The occurrence state and change rules of storage for La and Ce in high carbon medium manganese steel as well as the effects of La and Ce on sulfides, oxide inclusions, microstructure, static compression hardening efficiency and impact wear property are systematically studied through the composition analysis, microstructure observation, 30% static compression, impact wear test and theoretical analysis. The study results showed that the contents of solid solution La and Ce in steel could not be increased by adding into a large amount of La and Ce as well as they all remained below 0.003 5% for high carbon medium manganese steel. The 30% static compression hardening efficiency at room temperature can be improved with La and Ce, from 94.4% without La and Ce to 96.68%~108.2% with La and Ce; impact wear resistance of sample is improved with La and Ce as well as relative wear resistance is increased by 1.057 0~1.606 9 times when impact load is 2 J and 1.080 4~1.374 1 times when impact load is 5 J. Under the experimental conditions, the optimal amount of La+Ce added into high carbon medium manganese steel is 0.20%~0.25%.

La+Ce  /  high carbon medium manganese steel  /  microstructure  /  static compression behavior  /  impact wear property
王权, 齐璘玉宇, 孙磊, 王子轩. La+Ce复合处理高碳中锰钢的塑变行为及磨损性能. 包钢科技, 2026 , 52 (2) : 53 -60 .
Quan Wang, Linyuyu Qi, Lei Sun, Zixuan Wang. Plastic Deformation Behavior and Wear Property of High Carbon Medium Manganese Steel with La+Ce Complex Processing[J]. Science & Technology of Baotou Steel, 2026 , 52 (2) : 53 -60 .
2026年第52卷第2期
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  • 接收时间:2026-03-01
  • 首发时间:2026-06-17
  • 出版时间:2026-04-25
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  • 收稿日期:2026-03-01
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    1.内蒙古中天宏远稀土新材料股份公司,内蒙古 包头 014010
    2.包钢勘察测绘研究院,内蒙古 包头 014010
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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