发明名称 |
SLIDING SYSTEM |
摘要 |
[Technical Problem];An object is to provide a sliding system which can drastically reduce the friction coefficient on a sliding portion by means of a novel combination of a chromium nitride film and a lubricant oil.;[Solution to Problem];The sliding system according to the present invention includes: a pair of sliding members having sliding surfaces that can relatively move while facing each other; and a lubricant oil that can be interposed between the sliding surfaces facing each other. At least one of the sliding surfaces is formed as a coating surface of a chromium nitride film, and the lubricant oil contains an oil-soluble molybdenum compound that has a chemical structure of a trinuclear of Mo. When the chromium nitride film as a whole is 100 at % (referred simply to as “%”), the chromium nitride film contains 40-65% of Cr and 35-55% of N, and the chromium nitride film has a relative surface area of 15-60% wherein the relative surface area is a surface area ratio of (111) plane to (200) plane obtained when analyzed using X-ray diffraction. The lubricant oil preferably contains 5-800 ppm of the oil-soluble molybdenum compound in a content mass of Mo to the lubricant oil as a whole. |
申请公布号 |
US2016115414(A1) |
申请公布日期 |
2016.04.28 |
申请号 |
US201514796081 |
申请日期 |
2015.07.10 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
MORI Hiroyuki;TOHYAMA Mamoru;OKUYAMA Masaru;HAYASHI Keiji;IKEDA Naoya |
分类号 |
C10M103/04 |
主分类号 |
C10M103/04 |
代理机构 |
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代理人 |
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主权项 |
1. A sliding system comprising:
a pair of sliding members having sliding surfaces that can relatively move while facing each other; and a lubricant oil that can be interposed between the sliding surfaces facing each other, wherein at least one of the sliding surfaces comprises a coating surface of a chromium nitride film; wherein the lubricant oil contains an oil-soluble molybdenum compound that has a chemical structure of a trinuclear of Mo, wherein, when the chromium nitride film as a whole is 100 at % (referred simply to as “%”), the chromium nitride film contains 40-65% of Cr and 35-55% of N, and the chromium nitride film has a relative surface area of 15-60% wherein the relative surface area is a surface area ratio of (111) plane to (200) plane obtained when analyzed using X-ray diffraction. |
地址 |
Toyota-shi JP |