Research Progress on the Tribological Properties of Diamond-like Carbon Films in Typical Environments

doi:10.3901/JME.2025.10.019

Abstract

Abstract: Deep space exploration and detection of the deep sea require mechanical parts to face more complex environmental tests and have a longer and more reliable operational lifetime. Solid lubrication not only improves the stability of the operation of mechanical components but also extends their service life. Diamond-like films have become one of the most popular lubrication materials due to their unique combination of properties, including low coefficient of friction, wear resistance, high hardness, biocompatibility, and chemical inertness, and their tribological properties are highly dependent on the application environment, structural characteristics, and mechanical properties of the film. A review of the changes in tribological behavior of DLC films in ground atmospheric environments, marine corrosion environments, and space irradiation environments; the energy dissipation mechanism under different friction conditions is analyzed; the evolutionary law of the structure-performance relationship is discussed; and, finally, a reliable method to improve the environmental adaptability of DLC films is proposed. In addition, the expected of the development trend of DLC film points to the diversification and standardization towards adapting to harsh and changing environments.

Key words: diamond-like carbon films, tribological properties, environmental adaptation, lubrication mechanism

CLC Number:

TH117

SHI Jiadong, MA Guozheng, LI Guolu, LI Zhen, ZHAO Haichao, WANG Haidou. Research Progress on the Tribological Properties of Diamond-like Carbon Films in Typical Environments[J]. Journal of Mechanical Engineering, 2025, 61(10): 19-35.

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