Page 351 - Handbook of Materials Failure Analysis

348 CHAPTER 13 A concise filtergram wear particle atlas

50m 50m
(a) (b)
FIGURE 13.58
The pseudo-metal particles (200 ): (a) a varnish particle from the seal oil sample from a gas
turbine; (b) a varnish particle from a journal bearing oil sample.

(a) 50µm (b) 50µm

FIGURE 13.59
The pseudo-metal wear particles from the oil sample of a wind turbine gearbox (200 ):
(a) a pseudo-metal wear particle; (b) a pseudo-metal wear particle.

E:\SharedData\Quanta Data\Commercial\S\SGS\2014\08/Particles\TRH033-80_001eds.spc
Label A: SGS Particle TRH0330-80
C
Element Wt.% At.%
C K 88.05 90.76
O K 11.95 9.24
EDS
Total 100 100

O
2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 ke
(a) (b)
FIGURE 13.60
The ESEM/EDS analysis results on the pseudo-metal wear particle (Figure 13.59a): (a) the
ESEM image of the pseudo-metal wear particle (3000 ); (b) the EDS analysis results.