Synergy of cavitation and slurry erosion in the slurry pot tester

Slurry erosion of thermo-mechanically processed 13Cr4Ni stainless steel

“…In these patterns, different peaks of ferrite and martensite overlap as shown by JCPDS s software. Similar XRD patterns were observed in earlier studies, too [15,25,29]. In order to confirm the phases, Vickers micro hardness was measured in differently etched regions and it measured 260 and 370 VHN, respectively in ferrite and martensite regions of (950°C, 0.001 s À 1 ) TMP specimen.…”

“…Martensite and ferrite peaks overlap in XRD pattern due to low carbon content of the steel [29]. In general, chromium carbides cause the loss of toughness in low carbon steels [34] but these diminish beyond 900°C due to dissolution as discussed earlier.…”

“…In all the specimens, micro-indentation marks are observed in the central regions and heavy plastic flow by slurry is observed in the peripheral regions. The repetitive plastic deformation by the sand particles on the surface of specimens caused excessive fatigue in 13/4 MSS [1,4,29,38], which is discussed in Section 3.4. This plastic deformation influenced the subsurface hardness.…”

“…Deformation lips border these craters. During subsequent impacts of sand particles, material removal occurs from the lips of the craters by a process of fatigue [1,5,15,29,33]. Deeper craters with severe erosion marks are seen in ASR 13/4 MSS as compared to TMP specimens.…”

Some Thoughts on Mapping Tribological Issues of Wind Turbine Blades Due to Effects of Onshore and Offshore Raindrop Erosion

“…For the other impact angles, i.e. 10°-90° erosive wear is progressed by the combined, cutting and deformation action of the erodent [23,24]. The results from the SEM images show that for saltwater droplets seem to follow this theory and erosion occurred due to the impact of the droplet, which results in more damages of the exposed surface instead of the mass loss.…”