Effect of running-in - load and speed - on surface characteristics of honed gears

Mallipeddi, Dinesh,1987Chalmers tekniska högskola,Chalmers University of Technology (författare)

The initial cycles, as in a running-in process, can influence the performance of gear. Presented here are the surface characteristics of honed spur gears, which evolved due to the combined effect of running-in load (0.9 or 1.7GPa) and speed (0.5 or 8.3m/sec). The testing is performed using an FZG test rig. Running-in effected the surface layers to a depth of 5µm. High running-in load promoted plastic deformation of asperities, created microstructural changes associated with surface cracks and relaxed residual stresses. Surface phosphorus content from EP additives was also enhanced by higher running-in load. Interestingly, running-in speed promoted micropitting than load.

Norell, Mats,1961Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)norell (författare)
Sosa, Mario (författare)
Nyborg, Lars,1958Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)nyborg (författare)
Chalmers tekniska högskola (creator_code:org_t)

Av författaren/redakt...: Mallipeddi, Dine ...; Norell, Mats, 19 ...; Sosa, Mario; Nyborg, Lars, 19 ...

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