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    • 12. 发明授权
    • Mechanical seal sliding member, and mechanical seal
    • 机械密封滑动件,机械密封
    • US08360436B2
    • 2013-01-29
    • US12812033
    • 2009-01-06
    • Yoshihiro TeshimaHiroshi Sawada
    • Yoshihiro TeshimaHiroshi Sawada
    • F16J15/34
    • F16J15/3424
    • The present invention provides a mechanical seal sliding member with high lubricating characteristics, in which the coefficient of friction and the temperature of sliding surfaces are lowered and stabilized without excessive leakage. In the mechanical seal sliding member of the present invention, on the sliding surface 2, a plurality of grating sections 5 are formed separately in each of which a plurality of linear shape ridge portions parallel to each other are formed in a predetermined region with a predetermined pitch. The linear shape ridge portions of the plurality of grating sections are formed as inclined at a predetermined angle to a sliding direction of the sliding surfaces 2. Such periodic structure can improve the lubricating characteristics for lubrication. By irradiating a linearly polarized femtosecond laser with irradiating energy adjacent to a process threshold level to a material surface, a fine periodic structure with a cycle interval comparable with a laser wavelength and with a ridge depth half or less than the laser wavelength can be formed by a self-structuring manner.
    • 本发明提供一种具有高润滑特性的机械密封滑动构件,其中摩擦系数和滑动面的温度降低并稳定而没有过多的泄漏。 在本发明的机械密封滑动部件中,在滑动面2上分别形成多个光栅部5,每个光栅部5分别形成有规定区域的多个直线状的脊状部, 沥青。 多个格栅部的直线形状的脊部形成为与滑动面2的滑动方向成预定角度倾斜。这种周期性结构可以提高润滑的润滑特性。 通过用材料表面照射具有与过程阈值水平相邻的能量的线性偏振飞秒激光,可以通过与激光波长相当的周期间隔和具有与激光波长一半或更小的脊深度的精细周期性结构来形成微小的周期性结构, 一种自我组织的方式。