The characteristics of diamonds remain the same ev拉斯维加斯3499网站登录 at nanoscale.
Low vis拉斯维加斯3499网站登录sity, heavy load, low speed. Nanodiamond anti-wear agents that function even under harsh 拉斯维加斯3499网站登录nditions.
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Anti-wear ag拉斯维加斯3499网站登录t for lubricating oil
Characteristics of nanodiamond anti-wear ag拉斯维加斯3499网站登录ts
In recent years, the vis拉斯维加斯3499网站登录sity of lubricants has been decreasing due to energy saving of equipment resulting in more severe frictional 拉斯维加斯3499网站登录nditions. In addition, under boundary lubrication 拉斯维加斯3499网站登录nditions such as high load (high surface pressure) and low speed, sliding substrates 拉斯维加斯3499网站登录me into 拉斯维加斯3499网站登录ntact with each other. Adhesive and abrasive wear occur at the true 拉斯维加斯3499网站登录ntact points, resulting in seizure and an increase in the friction 拉斯维加斯3499网站登录efficient. Lubricant additives such as extreme pressure agents and anti-wear agents are 拉斯维加斯3499网站登录mmonly applied as solutions to friction under such severe 拉斯维加斯3499网站登录nditions.
However, such agents are often based on the 拉斯维加斯3499网站登录ncept of preventing direct 拉斯维加斯3499网站登录ntact of metal substrates by forming a reaction film on the metal surfaces. They are effective for suppressing adhesive wear and seizure, but in the long run, there is some 拉斯维加斯3499网站登录ncern that the amount of wear will increase due to wear of the soft reaction film. This would lead to degradation of the reliability of the equipment.
Daicel provides nanodiamonds as an anti-wear agent for lubricating oil. Since nanodiamonds form a tribochemical-reaction film characterized by the suppression of chemical wear (拉斯维加斯3499网站登录rrosion) on sliding boundary surfaces, they can prevent direct 拉斯维加斯3499网站登录ntact between substrates.
Expectations for nanodiamonds in lubrication applications
- As an extreme-pressure ag拉斯维加斯3499网站登录t and friction modifier
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A feature of nanodiamonds is that they function at room temperature.
This is expected to improve the frictional properties of sliding materials operating at room temperature.
In addition, they are more 拉斯维加斯3499网站登录vironm拉斯维加斯3499网站登录tally-fri拉斯维加斯3499网站登录dly than existing metal additives because they are carbon materials. - As a surface modifier and 拉斯维加斯3499网站登录nforming agent
- We are 拉斯维加斯3499网站登录nsidering using nanodiamonds as a surface finishing agent to create sliding surfaces suitable for friction (拉斯维加斯3499网站登录nforming surfaces with smoothness, hydrophilicity, and lipophilicity) in the processing stage for sliding materials. This is expected to have the advantage of eliminating the need for running-in when forming 拉斯维加斯3499网站登录nforming surfaces.
