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Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 641-649, June 11–15, 2012

Paper No: GT2012-68725

DOI: https://doi.org/10.1115/GT2012-68725

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Topics: Coating processes, Coatings, Combustion chambers, Engines, Ramjets, Temperature, Testing, Adhesion, Delamination, Alloys

Proceedings Papers

The Emergence of Compliant Foil Bearing and Seal Technologies in Support of 21 st Century Compressors and Turbine Engines

Hooshang Heshmat, Zhaohui Ren, Andrew Hunsberger, James Walton, Said Jahanmir

Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 95-103, November 12–18, 2010

Paper No: IMECE2010-40598

DOI: https://doi.org/10.1115/IMECE2010-40598

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Topics: Compressors, Foil bearings, Gas turbines, Testing, Machinery, Stress, Design, Gases, Bearings, Economics

Proceedings Papers

On the Design of a Multi-Megawatt Oil-Free Centrifugal Compressor for Hydrogen Gas Transportation and Delivery: Operation Beyond Supercritical Speeds

Hooshang Heshmat, Andrew Hunsberger, Zhaohui Ren, Said Jahanmir, James Walton

Paper No: IMECE2010-40575

DOI: https://doi.org/10.1115/IMECE2010-40575

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Topics: Compressors, Design, Hydrogen, Transportation systems, Bearings, Computational fluid dynamics, Reliability, Rotors, Foil bearings, Pipelines

Journal Articles

Load Capacity and Durability of H-DLC Coated Hydrodynamic Thrust Bearings

Said Jahanmir, Andrew Z. Hunsberger, Hooshang Heshmat

J. Tribol. July 2011, 133(3): 031301.

DOI: https://doi.org/10.1115/1.4003997

Published Online: July 21, 2011

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Topics: Bearings, Coatings, Friction, Lubricants, Stress, Thrust bearings, Titanium alloys, Torque, Lubrication, Durability

Proceedings Papers

Ultrahigh Speed Micromachining

Said Jahanmir

Proc. ASME. MSEC2010, ASME 2010 International Manufacturing Science and Engineering Conference, Volume 2, 337-344, October 12–15, 2010

Paper No: MSEC2010-34174

DOI: https://doi.org/10.1115/MSEC2010-34174

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Topics: Micromachining, Machining, Aluminum alloys, Ceramics, Damage, Micromilling, Ball bearings, Cutting, Diamond tools, Diamonds

Proceedings Papers

Evaluation of DLC Coatings for Foil Bearing Applications

Said Jahanmir, Hooshang Heshmat, Crystal Heshmat, Osman Eryilmaz, Ali Erdemir

Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 5-7, October 22–24, 2007

Paper No: IJTC2007-44035

DOI: https://doi.org/10.1115/IJTC2007-44035

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Topics: Diamond films, Foil bearings, Coatings, Disks, Cycles, Temperature, Tribology, Design, Performance characterization, Thrust

Proceedings Papers

Hybrid Magnetic Bearings for a Centrifugal Blood Pump

Zhaohui Ren, Said Jahanmir, Hooshang Heshmat, James Walton

Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 997-999, October 22–24, 2007

Paper No: IJTC2007-44199

DOI: https://doi.org/10.1115/IJTC2007-44199

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Topics: Blood, Magnetic bearings, Pumps, Rotors, Bearings, Design, Stators, Algorithms, Clearances (Engineering), Control algorithms

Proceedings Papers

Performance Evaluation of Half-Wetted Hydrodynamic Bearings With DLC Coated Surfaces

Andrew Z. Hunsberger, Said Jahanmir, Hooshang Heshmat, Osman Eryilmaz, Ali Erdemir

Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 241-243, October 22–24, 2007

Paper No: IJTC2007-44207

DOI: https://doi.org/10.1115/IJTC2007-44207

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Topics: Bearings, Performance evaluation, Fluids, Stress, Thrust bearings, Bonding, Carbon, Diamonds, Lubricants, Lubrication

Proceedings Papers

Coatings for High Temperature Foil Bearings

Hooshang Heshmat, Said Jahanmir, James F. Walton, II

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 971-976, May 14–17, 2007

Paper No: GT2007-27975

DOI: https://doi.org/10.1115/GT2007-27975

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Topics: Coatings, Foil bearings, High temperature, Bearings, Magnetic bearings, Nickel, Temperature, Tribology, Cycles, Friction

Journal Articles

Evaluation of DLC Coatings for High-Temperature Foil Bearing Applications

Said Jahanmir, Hooshang Heshmat, Crystal Heshmat

J. Tribol. January 2009, 131(1): 011301.

DOI: https://doi.org/10.1115/1.2991181

Published Online: December 2, 2008

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Topics: Coatings, Disks, Foil bearings, Friction, Lubricants, Temperature, Tungsten, Cycles, Diamond films, Tribology

Proceedings Papers

High-Temperature High-Speed Tribometer With Complex Motion

Hooshang Heshmat, Michael J. Tomaszewski, Crystal Heshmat, James F. Walton, II, Said Jahanmir

Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 879-880, September 12–16, 2005

Paper No: WTC2005-63685

DOI: https://doi.org/10.1115/WTC2005-63685

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Topics: High temperature, Steam engines, Tribometers

Proceedings Papers

Low-Friction Wear Resistant Coatings for High-Temperature Foil Bearings

Hooshang Heshmat, Piotr Hryniewicz, James F. Walton, II, John P. Willis, Said Jahanmir

Proc. ASME. WTC2005, World Tribology Congress III, Volume 2, 399-400, September 12–16, 2005

Paper No: WTC2005-63684

DOI: https://doi.org/10.1115/WTC2005-63684

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Topics: Coatings, Foil bearings, Friction, High temperature, Wear

Proceedings Papers

Magnetically Suspended Rotary Blood Pump (Keynote)

Hooshang Heshmat, James F. Walton, II, Michael J. Tomaszewski, Said Jahanmir

Proc. ASME. WTC2005, World Tribology Congress III, Volume 2, 611-612, September 12–16, 2005

Paper No: WTC2005-63681

DOI: https://doi.org/10.1115/WTC2005-63681

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Topics: Blood, Magnetic bearings, Pumps, Thrust bearings

Proceedings Papers

Evaluation of Coatings for a Large Hybrid Foil/Magnetic Bearing

Hooshang Heshmat, Said Jahanmir

Proc. ASME. IJTC2006, Part B: Magnetic Storage Tribology; Manufacturing/Metalworking Tribology; Nanotribology; Engineered Surfaces; Biotribology; Emerging Technologies; Special Symposia on Contact Mechanics; Special Symposium on Nanotribology, 1361-1362, October 23–25, 2006

Paper No: IJTC2006-12328

DOI: https://doi.org/10.1115/IJTC2006-12328

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Topics: Coatings, Magnetic bearings, Bearings, Temperature, Tribology, Cycles, Foil bearings, Reliability, Rolling bearings, Transients (Dynamics)

eBook

Tribology of Mechanical Systems: A Guide to Present and Future Technologies

Publisher: ASME Press

Published: 2004

DOI: https://doi.org/10.1115/1.802094

ISBN-10: 0791802094

Journal Articles

Nondestructive Detection of Damage Produced by a Sharp Indenter in Ceramics

Hyo-Sok Ahn, Lanhua Wei, Said Jahanmir

J. Eng. Mater. Technol. July 1996, 118(3): 402–409.

DOI: https://doi.org/10.1115/1.2806827

Published Online: July 1, 1996

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Topics: Ceramics, Damage, Fracture (Materials), Deflection, Waves, Probes, Corners (Structural elements), Glass, Machining, Optical microscopy

Journal Articles

Mechanics of Coating

D. Dowson, Editor, C. M. Taylor, Editor, M. Godet, Editor, Said Jahanmir, Reviewer

J. Tribol. April 1991, 113(2): 414–415.

DOI: https://doi.org/10.1115/1.2920639

Published Online: April 1, 1991

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Topics: Coating processes, Coatings

Journal Articles

Wear Reduction and Surface Layer Formation by a ZDDP Additive

Said Jahanmir

J. Tribol. October 1987, 109(4): 577–586.

DOI: https://doi.org/10.1115/1.3261509

Published Online: October 1, 1987

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Topics: Wear, Stress, Temperature, Augers, Delamination, Thin films, Chemical kinetics, Iron, Scanning electron microscopy, Sulfur

Journal citation

NARROW

Ultra High-Speed Micro-Milling of Aluminum Alloy

Ultra High-Speed Micro-Milling of Aluminum Alloy

Evaluation of a New Coating for Application to Ramjet Engine Combustion Chamber

The Emergence of Compliant Foil Bearing and Seal Technologies in Support of 21 st Century Compressors and Turbine Engines

On the Design of a Multi-Megawatt Oil-Free Centrifugal Compressor for Hydrogen Gas Transportation and Delivery: Operation Beyond Supercritical Speeds

Load Capacity and Durability of H-DLC Coated Hydrodynamic Thrust Bearings

Ultrahigh Speed Micromachining

Evaluation of DLC Coatings for Foil Bearing Applications

Hybrid Magnetic Bearings for a Centrifugal Blood Pump

Performance Evaluation of Half-Wetted Hydrodynamic Bearings With DLC Coated Surfaces

Coatings for High Temperature Foil Bearings

Evaluation of DLC Coatings for High-Temperature Foil Bearing Applications

High-Temperature High-Speed Tribometer With Complex Motion

Low-Friction Wear Resistant Coatings for High-Temperature Foil Bearings

Magnetically Suspended Rotary Blood Pump (Keynote)

Evaluation of Coatings for a Large Hybrid Foil/Magnetic Bearing

Tribology of Mechanical Systems: A Guide to Present and Future Technologies

Nondestructive Detection of Damage Produced by a Sharp Indenter in Ceramics

Mechanics of Coating

Wear Reduction and Surface Layer Formation by a ZDDP Additive

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