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首页> 外文期刊>International journal of nanoscience >DEVELOPMENT OF CARBON-BASED COATING OF EXTREMELY HIGH TOUGHNESS WITH GOOD HARDNESS
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DEVELOPMENT OF CARBON-BASED COATING OF EXTREMELY HIGH TOUGHNESS WITH GOOD HARDNESS

机译：具有良好硬度的极高韧性碳基涂层的开发

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摘要

Metallic Al was doped into amorphous carbon (a-C) to form a matrix of a-C(Al) of very low residual stress and high toughness at the expense of some hardness. Nanocrystallites of TiC (nc-TiC) of a few nanometers in size were embedded in this matrix to bring back the hardness. The nanocomposite coating of nc-TiC/a-C(Al) was deposited via co-sputtering of graphite, Ti, and Al targets, Although the nanocomposite coating exhibited a moderately high hardness (about 20 GPa), it possessed extremely high toughness (about 55% of plasticity during indentation deformation) and low residual stress (less than 0.4 GPa), smooth (R{sub}a - 5.5 nm), and hydrophobic surface (contact angle with water reaches 100°).
机译：将金属Al掺杂到非晶碳（a-C）中以形成残余应力非常低且韧性高的a-C（Al）基质，但会牺牲一些硬度。几纳米大小的TiC纳米晶体（nc-TiC）被嵌入该基质中，以恢复硬度。 nc-TiC / aC（Al）纳米复合涂层是通过共同溅射石墨，Ti和Al靶来沉积的，尽管该纳米复合涂层具有中等高的硬度（约20 GPa），但具有极高的韧性（约55 Gpa）压痕变形时的塑性百分比）和低残余应力（小于0.4 GPa），光滑（R {a} a-5.5 nm）和疏水表面（与水的接触角达到100°）。

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