求翻译：钛金属陶瓷表面形成的梯度碳化钛陶瓷有效地提高了表面硬度，随着摩擦的进行，表面的微孔结构和梯度分布的游离态的碳原 子有效地改善了摩擦环境，降低了摩擦系数，减轻了磨损。是什么意思？

Gradient titanium carbide ceramic titanium ceramic formed on the surface to improve surface hardness, friction conduct the surface of the porous structure and gradient distribution of free carbon atoms effective in improving the friction environment, reducing the coefficient of friction, thereby red

Titanium metal-ceramic surface form of the gradient The carbon titanium ceramic effectively increase the surface hardness, friction with the surface of the micro-porous structure and distribution of the gradient of the original free State effectively to improve the environment and reduce the frictio

The titanium cermet surface forms the gradient carbonization titanium ceramics enhanced the skin hardness effectively, along with friction march, the superficial pore structure and the gradient distribution free state carbon atom improved the friction environment effectively, reduced the friction co

Titanium metal ceramic surface gradient effectively increase the surface hardness of titanium carbide ceramics, friction, porous structure and gradient distribution on the surface of carbon atoms effectively improve the friction free environment, reducing the coefficient of friction, reducing wear.

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