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Karsten Stahl
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Journal Articles

Numerical Calculation of the Oil Flow in a Truck Rear Axle Transmission and the Influence of Gear-Induced Air Flow

Lucas Hildebrand, Philipp Beierer, Thomas Lohner, Karsten Stahl
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2024, 146(11): 114602.
Paper No: TRIB-24-1114
https://doi.org/10.1115/1.4065872
Published Online: August 5, 2024
View Article titled, Numerical Calculation of the Oil Flow in a Truck Rear Axle Transmission and the Influence of Gear-Induced Air Flow
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Topics: Flow (Dynamics), Gears, Mechanical drives, Trucks, Air flow
Journal Articles

Power Loss and Damage Behavior of Gears Operating Under Loss of Lubrication

Bernd Morhard, Constantin Paschold, Thomas Lohner, Karsten Stahl
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2024, 146(7): 072201.
Paper No: TRIB-23-1321
https://doi.org/10.1115/1.4064859
Published Online: March 25, 2024
View Article titled, Power Loss and Damage Behavior of Gears Operating Under Loss of Lubrication
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Topics: Damage, Gears, Lubrication, Stress, Temperature, Torque
Journal Articles

Investigations on Ways to Improve the Scuffing and Wear Behavior of Oil-Free Water-Based Lubricants for Gear Applications

Yves Johannes Barth, Nadine Sagraloff, Gregor Egger, Thomas Tobie, Karsten Stahl
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. May 2024, 146(5): 054601.
Paper No: TRIB-23-1334
https://doi.org/10.1115/1.4064401
Published Online: January 22, 2024
View Article titled, Investigations on Ways to Improve the Scuffing and Wear Behavior of Oil-Free Water-Based Lubricants for Gear Applications
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Topics: Gears, Lubricants, Water, Wear, Stress, Film thickness
Proceedings Papers

Power Loss and Damage Behavior of Gears Operating Under Loss of Lubrication

Bernd Morhard, Constantin Paschold, Thomas Lohner, Karsten Stahl
Proc. ASME. IDETC-CIE2023, Volume 11: 2023 International Power Transmission and Gearing Conference (PTG), V011T11A023, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-111108
https://doi.org/10.1115/DETC2023-111108
View Paper titled, Power Loss and Damage Behavior of Gears Operating Under Loss of Lubrication
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Topics: Damage, Gears, Lubrication
Proceedings Papers

Impact of Shaft Misalignments in Planetary Gearboxes

Marius Fuerst, Michael Otto, Karsten Stahl
Proc. ASME. IDETC-CIE2023, Volume 11: 2023 International Power Transmission and Gearing Conference (PTG), V011T11A016, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-114810
https://doi.org/10.1115/DETC2023-114810
View Paper titled, Impact of Shaft Misalignments in Planetary Gearboxes
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Topics: Coordinate measuring machines, Deformation, Design, Errors, Gears, Mechanical drives, Planetary gears, Stress
Proceedings Papers

Investigations on Ways to Improve the Scuffing and Wear Behaviour of Oil Free Water-Based Lubricants for Gear Applications

Yves Johannes Barth, Nadine Sagraloff, Gregor Egger, Thomas Tobie, Karsten Stahl
Proc. ASME. IDETC-CIE2023, Volume 11: 2023 International Power Transmission and Gearing Conference (PTG), V011T11A024, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-114649
https://doi.org/10.1115/DETC2023-114649
View Paper titled, Investigations on Ways to Improve the Scuffing and Wear Behaviour of Oil Free Water-Based Lubricants for Gear Applications
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Topics: Gears, Lubricants, Water, Wear
Journal Articles

Closed-Form Calculation of Lead Flank Modification Proposal for Spur and Helical Gear Stages

Uwe Weinberger, Michael K. Otto, Karsten Stahl
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. March 2020, 142(3): 031106.
Paper No: MD-19-1361
https://doi.org/10.1115/1.4045396
Published Online: December 2, 2019
View Article titled, Closed-Form Calculation of Lead Flank Modification Proposal for Spur and Helical Gear Stages
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Topics: Gears, Stress, Helical gears, Mechanical drives, Deformation, Modeling
Proceedings Papers

Closed Form Calculation of Lead Flank Modification Proposal for Spur and Helical Gear Stages

Uwe Weinberger, Michael K. Otto, Karsten Stahl
Proc. ASME. IDETC-CIE2019, Volume 10: 2019 International Power Transmission and Gearing Conference, V010T11A013, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97993
https://doi.org/10.1115/DETC2019-97993
View Paper titled, Closed Form Calculation of Lead Flank Modification Proposal for Spur and Helical Gear Stages
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Topics: Bearings, Boundary-value problems, Deformation, Degrees of freedom, Gears, Helical gears, Iterative methods, Mechanical drives, Stress
Proceedings Papers

Influence of the Case Properties After Nitriding on the Load Carrying Capacity of Highly Loaded Gears

André Sitzmann, Thomas Tobie, Karsten Stahl, Stefan Schurer
Proc. ASME. IDETC-CIE2019, Volume 10: 2019 International Power Transmission and Gearing Conference, V010T11A008, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97405
https://doi.org/10.1115/DETC2019-97405
View Paper titled, Influence of the Case Properties After Nitriding on the Load Carrying Capacity of Highly Loaded Gears
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Topics: Gears, Load bearing capacity, Nitriding
Proceedings Papers

Theoretical Study on the Influence of Planet Gear Rim Thickness and Bearing Clearance on Calculated Bearing Life

Andreas Fingerle, Jonas Hochrein, Michael Otto, Karsten Stahl
Proc. ASME. IDETC-CIE2019, Volume 10: 2019 International Power Transmission and Gearing Conference, V010T11A012, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97930
https://doi.org/10.1115/DETC2019-97930
View Paper titled, Theoretical Study on the Influence of Planet Gear Rim Thickness and Bearing Clearance on Calculated Bearing Life
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Topics: Bearings, Clearances (Engineering), Gears, Stress, Deformation, Finite element methods, Finite element model, Stiffness, Power density, Roller bearings
Proceedings Papers

Applicability of an Oil Based Calculation Approach for Wear Risk and Wear Lifetime to Grease Lubricated Gear Pairings

Benedikt J. Siewerin, Andreas Dobler, Thomas Tobie, Karsten Stahl
Proc. ASME. IDETC-CIE2019, Volume 10: 2019 International Power Transmission and Gearing Conference, V010T11A041, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97439
https://doi.org/10.1115/DETC2019-97439
View Paper titled, Applicability of an Oil Based Calculation Approach for Wear Risk and Wear Lifetime to Grease Lubricated Gear Pairings
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Topics: Gears, Lubrication, Risk, Wear
Journal Articles

Theoretical Study on the Influence of Planet Gear Rim Thickness and Bearing Clearance on Calculated Bearing Life

Andreas Fingerle, Jonas Hochrein, Michael Otto, Karsten Stahl
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. March 2020, 142(3): 031102.
Paper No: MD-19-1510
https://doi.org/10.1115/1.4045244
Published Online: November 4, 2019
View Article titled, Theoretical Study on the Influence of Planet Gear Rim Thickness and Bearing Clearance on Calculated Bearing Life
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Topics: Bearings, Clearances (Engineering), Deformation, Stress, Gears
Proceedings Papers

Influence of Defined Water Contents in Gear Lubricants on the Pitting Performance of Case-Carburized Gears

Christian Engelhardt, Jochen Witzig, Thomas Tobie, Karsten Stahl
Proc. ASME. IDETC-CIE2017, Volume 10: 2017 ASME International Power Transmission and Gearing Conference, V010T11A037, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67016
https://doi.org/10.1115/DETC2017-67016
View Paper titled, Influence of Defined Water Contents in Gear Lubricants on the Pitting Performance of Case-Carburized Gears
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Topics: Gears, Lubricants, Water, Contamination, Load bearing capacity, Materials properties, Mechanical drives, Mineral oil, Residual stresses, Stress
Proceedings Papers

A Numerical Approach to the Calculation of the Surface Temperature Distribution of Worm Gears

Philipp Roth, Werner Sigmund, Sebastian Born, Daniel Kadach, Karsten Stahl
Proc. ASME. IDETC-CIE2017, Volume 10: 2017 ASME International Power Transmission and Gearing Conference, V010T11A002, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67049
https://doi.org/10.1115/DETC2017-67049
View Paper titled, A Numerical Approach to the Calculation of the Surface Temperature Distribution of Worm Gears
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Topics: Temperature distribution, Worm gears, Simulation models, Temperature, Boundary-value problems, Computer simulation, Heat, Stress
Journal Articles

The Effect of Selected Operating Parameters, Material Pairing, and Gear Size on the Wear Behavior of Grease Lubricated, Small Module Gears

Hansjörg Schultheiss, Thomas Tobie, Karsten Stahl
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. November 2017, 139(6): 061105.
Paper No: TRIB-17-1009
https://doi.org/10.1115/1.4036493
Published Online: July 10, 2017
View Article titled, The Effect of Selected Operating Parameters, Material Pairing, and Gear Size on the Wear Behavior of Grease Lubricated, Small Module Gears
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Topics: Gears, Wear, Lubrication
Proceedings Papers

Influences of the Facing Edge Condition on the Flank Load Carrying Capacity of Helical Gears

Daniel Kadach, Peter Matt, Thomas Tobie, Karsten Stahl
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A004, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46253
https://doi.org/10.1115/DETC2015-46253
View Paper titled, Influences of the Facing Edge Condition on the Flank Load Carrying Capacity of Helical Gears
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Topics: Helical gears, Load bearing capacity, Fracture (Materials), Fracture (Process), Gears, Damage, Failure mechanisms, Mechanical drives
Proceedings Papers

Influence of Low Temperatures on Material Properties and Tooth Root Bending Strength of Case-Hardened Gears

Florian Dobler, Thomas Tobie, Karsten Stahl
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A007, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46325
https://doi.org/10.1115/DETC2015-46325
View Paper titled, Influence of Low Temperatures on Material Properties and Tooth Root Bending Strength of Case-Hardened Gears
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Topics: Bending strength, Gears, Low temperature, Materials properties, Heat treating (Metalworking)
Proceedings Papers

Correlation of Relevant Case Properties and the Flank Load Carrying Capacity of Case-Hardened Gears

Johannes Koenig, Peter Koller, Thomas Tobie, Karsten Stahl
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A006, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46299
https://doi.org/10.1115/DETC2015-46299
View Paper titled, Correlation of Relevant Case Properties and the Flank Load Carrying Capacity of Case-Hardened Gears
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Topics: Gears, Load bearing capacity, Shot peening, Computational methods, Finishing, Grinding, Stress
Journal Articles

The Effect of Selected Grease Components on the Wear Behavior of Grease-Lubricated Gears

Hansjörg Schultheiss, Thomas Tobie, Karsten Stahl
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. January 2016, 138(1): 011602.
Paper No: TRIB-15-1161
https://doi.org/10.1115/1.4031278
Published Online: September 7, 2015
View Article titled, The Effect of Selected Grease Components on the Wear Behavior of Grease-Lubricated Gears
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Topics: Gears, Lubricants, Wear, Viscosity
Proceedings Papers

Tooth Flank Breakage: Influences on Subsurface Initiated Fatigue Failures of Case Hardened Gears

Karsten Stahl, Bernd-Robert Höhn, Thomas Tobie
Proc. ASME. IDETC-CIE2013, Volume 5: 25th International Conference on Design Theory and Methodology; ASME 2013 Power Transmission and Gearing Conference, V005T11A006, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12183
https://doi.org/10.1115/DETC2013-12183
View Paper titled, Tooth Flank Breakage: Influences on Subsurface Initiated Fatigue Failures of Case Hardened Gears
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Topics: Fatigue failure, Gears, Design, Failure, Failure mechanisms, Risk, Bending (Stress), Computational methods, Fracture (Materials), Lubricants