Page 335 - Handbook of Materials Failure Analysis

332 CHAPTER 13 A concise filtergram wear particle atlas

(a) 500µm (b) 100µm

(c) 200µm (d) 500µm
FIGURE 13.29
The fatigue wear particles with multi-oxide scales from an oil sample with the high moisture
content: (a) a fatigue wear particle (50 ); (b) a fatigue wear particle (200 ); (c) a fatigue
wear particle (200 ); (d) a fatigue wear particle (50 ).

50µm 50µm
(a) (b)
FIGURE 13.30
The minute red oxide particles (200 ): (a) under white reflected light; (b) under polarized
reflected light.