Boris Brodmann
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View article: Surface Topography as an Energy State: Hamiltonian Description of Functional Properties in Phase Space and Quantification via Optical Methods
Surface Topography as an Energy State: Hamiltonian Description of Functional Properties in Phase Space and Quantification via Optical Methods Open
The assessment of tribological processes necessitates comprehensive monitoring and interpretation of surface states, traditionally by topography height values and surface texture parameters. This paper proposes a phase space representation…
View article: The Effects of the Lubricant Properties and Surface Finish Characteristics on the Tribology of High-Speed Gears for EV Transmissions
The Effects of the Lubricant Properties and Surface Finish Characteristics on the Tribology of High-Speed Gears for EV Transmissions Open
Electric vehicle (EV) transmissions operate at high speeds. High-speed operation puts higher demands on bearings, seals, and gears. Bearings in EV transmissions are prone to electrically induced bearing damage and may exhibit signs of pitt…
View article: The Effects of the Lubricant Properties and Surface Finish Characteristics on the Tribology of High-Speed Gears for EV Transmissions
The Effects of the Lubricant Properties and Surface Finish Characteristics on the Tribology of High-Speed Gears for EV Transmissions Open
EV transmissions operate at high speeds, upto 30,000 rpm. High speed operation puts higher demands on bearings, seals, and gears. Bearings in EV transmissions are prone to electrically induced bearing damage and may exhibit signs of pittin…
View article: A multi-perspective method for gear efficiency and contact analysis
A multi-perspective method for gear efficiency and contact analysis Open
Modern gearing applications, in particular electrification, impose new challenges in many different fields of engineering and research. In specific, new demands are imposed on gears, including higher rotational speed, lower noise acceptanc…
View article: Comprehensive angular scattering distribution analysis for resource-efficient manufacturing
Comprehensive angular scattering distribution analysis for resource-efficient manufacturing Open
Most measuring principles for surface topography measurement cannot be broadly used within machine tools due to the rough environment featuring vibrations, dust, cooling liquid, or temperature gradients. Having to measure outside of the ma…
View article: Traceable functional characterization of surface topography with angular-resolved scattering light measurement
Traceable functional characterization of surface topography with angular-resolved scattering light measurement Open
Among other functional characteristics, tribological properties of workpieces are directly associated with the microstructures on their surface. Thus, a precise, reliable, and traceable acquisition of these microstructures is required to e…
View article: Scattering light in bearing production: roundness, waviness, roughness in one operation
Scattering light in bearing production: roundness, waviness, roughness in one operation Open
Bearings are precision machine elements with very high requirements regarding the roundness, waviness and roughness of the rolling elements as well as the bearing rings. The production processes have to meet sub-micron tolerances. To verif…
View article: Weight-Optimized Bushingless Connecting Rods: Improving the Tribological Performance of a Gudgeon Pin/Connecting Rod System by Using the Triboconditioning® Process
Weight-Optimized Bushingless Connecting Rods: Improving the Tribological Performance of a Gudgeon Pin/Connecting Rod System by Using the Triboconditioning® Process Open
The risk of failures associated with a distressed pin/connecting rod bearing contact without forced pin oiling is exaggerated due to ever increasing power density and torque output of modern TSI (turbocharged straight injection) and TDI (t…