1)Watt surface
corrosion: Spectroscopic analysis revealed that the concentration of
non-ferrous metal elements was abnormal; iron spectrum showed many
non-ferrous metal components.
1)Watt
surface corrosion: Spectroscopic analysis revealed that the
concentration of the bushing-colored metal elements was abnormal; the
iron spectrum showed sub-micron wear particles with multiple bearing
non-ferrous metal components in the iron spectrum; the lubricating oil
was over-sprayed and the acid value was over-expended.
2)
Corrosion of the journal surface: Spectroscopic analysis of the current
bearing iron bearing element concentration is abnormal, there are many
sub-micron iron particles in the iron spectrum, the lubricating oil
water overrun or acid value overrun.
3)
Pulling on the external surface of the journal: There are iron-based
cutting abrasives or black oxide particles in the iron spectrum, and the
appearance of the metal is tempered.
4)
Fretting of the back of the tile: Spectral analysis revealed that the
iron concentration was abnormal. There were many submicron wear
particles of the iron component in the iron spectrum, and the water and
acid values of the lubricant were abnormal.
5)
The outer surface of the bearing is damaged: cutting abrasive grains
are found in the iron spectrum, and the abrasive grain composition is
non-ferrous metal.
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