Experimental study of the influence of the relative humidity of leaves and their link to adhesion losses in the wheel-rail contact

Open Access

Fig. 20

(a) Third-body sample taken from the field after a wheel-slip event (slip rate > 1%, optical image). (b) SEM (BSE detector, 20 kV) of the sample, (c) SEM–EDS spectrum characteristic of the sample, highlighting mineral/organic amalgam (presence of carbon, silica, and iron oxide).

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