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Microstructure and Wear Resistance of Laser Cladded TiOxNy Coating on TC4 Titanium Alloy Surface
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Ziqi WANG1, Lanyi LIU2, Bingfeng WANG1
Mining and Metallurgical Engineering | 2025, 45(1) : 148 - 152
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Mining and Metallurgical Engineering | 2025, 45(1): 148-152
• MATERIALS •
Microstructure and Wear Resistance of Laser Cladded TiOxNy Coating on TC4 Titanium Alloy Surface
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Ziqi WANG1, Lanyi LIU2, Bingfeng WANG1
Affiliations
  • 1.School of Materials Science and Engineering, Central South University, Changsha 410083, Hunan, China
  • 2.Powder Metallurgy Research Institute, Central South University, Changsha 410083, Hunan, China
Published: 2025-02-01 doi: 10.3969/j.issn.0253-6099.2025.01.028
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In order to improve the surface hardness and wear resistance of Ti-6Al-4V alloy, a cladded coating of TiO2 and TiN was prepared on the surface of Ti-6Al-4V alloy by laser cladding, and the microhardness, wear resistance, microstructure and element distribution of the coating were explored. Compared to the substrate, the surface hardness and wear resistance of the coating are significantly improved. It is shown that with TiO2 and TiN powder in a mass ratio of 1∶9, the hardness and specific wear rate of the coating can reach 1 936.1HV0.1 and 2.06×10-14 mm3/(N·m), respectively, which are 5.4 times and 3.26 times those of the substrate. The main components of the coating include α-Ti, TiN, and TiN0.6O0.4, which is the reason for the significant increase in hardness and wear resistance of the TiO2-TiN cladded coating. The research results provide a theoretical and experimental basis for improving the hardness and wear resistance of Ti-6Al-4V alloy by laser cladding technology.

surface treatment  /  laser cladding  /  TC4 titanium alloy  /  microstructure  /  wear resistance  /  cladded coating
Ziqi WANG, Lanyi LIU, Bingfeng WANG. Microstructure and Wear Resistance of Laser Cladded TiOxNy Coating on TC4 Titanium Alloy Surface[J]. Mining and Metallurgical Engineering, 2025 , 45 (1) : 148 -152 . DOI: 10.3969/j.issn.0253-6099.2025.01.028
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Year 2025 volume 45 Issue 1
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.01.028
  • Receive Date：2024-08-01
  • Online Date：2026-03-17
  • Published：2025-02-01
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  • Received：2024-08-01
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    1.School of Materials Science and Engineering, Central South University, Changsha 410083, Hunan, China
    2.Powder Metallurgy Research Institute, Central South University, Changsha 410083, Hunan, 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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