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Karsten Stahl
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Journal Articles

Local Calculation of Load-Dependent Gear Power Losses of Cylindrical Gears

Open Access
Constantin Paschold, Thomas Lohner, Karsten Stahl
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2025, 147(11): 112201.
Paper No: TRIB-24-1365
https://doi.org/10.1115/1.4067493
Published Online: February 7, 2025
View Articletitled, Local Calculation of Load-Dependent Gear Power Losses of Cylindrical Gears
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Topics: Friction, Gears, Stress, Disks, Temperature
Proceedings Papers

Operating Behavior and Performance of Polymer Gears in Pulsator Tests

Available to Purchase

Stefan Reitschuster, Thomas Tobie, Karsten Stahl
Proc. ASME. IDETC-CIE2024, Volume 10: 2024 International Power Transmission and Gearing Conference (PTG), V010T10A003, August 25–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: DETC2024-141295
https://doi.org/10.1115/DETC2024-141295
View Paper titled, Operating Behavior and Performance of Polymer Gears in Pulsator Tests
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Topics: Gears, Load bearing capacity, Polymers
Journal Articles

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

Open Access
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 Articletitled, 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

Available to Purchase
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 Articletitled, 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

Available to Purchase
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 Articletitled, 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

Available to Purchase

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

Available to Purchase

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

Available to Purchase

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

Available to Purchase
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 Articletitled, 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

Available to Purchase

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

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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

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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

Available to Purchase

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

Available to Purchase
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 Articletitled, 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

Available to Purchase

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

Available to Purchase

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

Available to Purchase
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 Articletitled, 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

Available to Purchase

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

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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

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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