Volume 112 Issue 4 | J. Tribol. | ASME Digital Collection

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Editorial

Andras Z. Szeri

J. Tribol. October 1990, 112(4): 577. doi: https://doi.org/10.1115/1.2920300

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Research Papers

Visco-Elastohydrodynamic (VEHD) Lubrication in Radial Lip Seals: Part 1—Steady-State Dynamic Viscoelastic Seal Behavior

M. J. L. Stakenborg, H. J. van Leeuwen, E. A. M. ten Hagen

J. Tribol. October 1990, 112(4): 578–583. doi: https://doi.org/10.1115/1.2920301

Abstract

View articletitled, Visco-Elastohydrodynamic (VEHD) Lubrication in Radial Lip Seals: Part 1—Steady-State Dynamic Viscoelastic Seal Behavior

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Topics: Lubrication , Steady state , Excitation , Fluid films , Sealants , Deformation , Elastomers , Finite element methods , Finite element model , Fluids

Visco-Elastohydrodynamic (VEHD) Lubrication in Radial Lip Seals: Part 2—Fluid Film Formation

H. J. van Leeuwen, M. J. L. Stakenborg

J. Tribol. October 1990, 112(4): 584–592. doi: https://doi.org/10.1115/1.2920302

Abstract

View articletitled, Visco-Elastohydrodynamic (VEHD) Lubrication in Radial Lip Seals: Part 2—Fluid Film Formation

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Topics: Fluid films , Lubrication , Fluid pressure , Viscosity , Bearings , Clearances (Engineering) , Excitation , Fluid film lubrication , Fluids , Friction

A Numerical Simulation of the Head-Disk Assembly in Magnetic Hard Disk Files: Part I—Component Models

O. J. Ruiz, D. B. Bogy

J. Tribol. October 1990, 112(4): 593–602. doi: https://doi.org/10.1115/1.2920303

Abstract

View articletitled, A Numerical Simulation of the Head-Disk Assembly in Magnetic Hard Disk Files: Part I—Component Models

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Topics: Computer simulation , Disks , Manufacturing , Actuators , Air bearings , Bending (Stress) , Dynamics (Mechanics) , Engineering simulation , Simulation , Stability

A Numerical Simulation of the Head-Disk Assembly in Magnetic Hard Disk Files: Part II—Solution of the Coupled System

O. J. Ruiz, D. B. Bogy

J. Tribol. October 1990, 112(4): 603–613. doi: https://doi.org/10.1115/1.2920304

Abstract

View articletitled, A Numerical Simulation of the Head-Disk Assembly in Magnetic Hard Disk Files: Part II—Solution of the Coupled System

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Topics: Computer simulation , Disks , Manufacturing , Actuators , Resonance , Air bearings

Tribological Studies on Bearing Balls of Different Composition Using Certain Heterocyclic Compounds as Potential E.P. Additives

T. Singh, V. K. Verma

J. Tribol. October 1990, 112(4): 614–617. doi: https://doi.org/10.1115/1.2920305

Abstract

View articletitled, Tribological Studies on Bearing Balls of Different Composition Using Certain Heterocyclic Compounds as Potential E.P. Additives

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Topics: Bearings , Tribology , Alloy steel , Augers , Bearing steel , Carbon , Electron spectroscopy , Lubrication , Machinery , Paraffin wax

Experimental Investigation of Mechanism of Lubrication in Porous Journal Bearings: Part 1—Observation of Oil Flow in Porous Matrix

S. Kaneko, S. Obara

J. Tribol. October 1990, 112(4): 618–623. doi: https://doi.org/10.1115/1.2920306

Abstract

View articletitled, Experimental Investigation of Mechanism of Lubrication in Porous Journal Bearings: Part 1—Observation of Oil Flow in Porous Matrix

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Topics: Flow (Dynamics) , Journal bearings , Lubrication , Bearings , Pressure , Boundary lubrication , Glass , Stress , Visualization

Application of Porous Materials to Annular Plain Seals: Part 2—Dynamic Characteristics

S. Kaneko

J. Tribol. October 1990, 112(4): 624–630. doi: https://doi.org/10.1115/1.2920307

Abstract

View articletitled, Application of Porous Materials to Annular Plain Seals: Part 2—Dynamic Characteristics

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Topics: Porous materials , Stiffness , Damping , Rotors , Fluids , Laminar flow , Pumps , Stability , Whirls

A Generalized Reynolds Equation for Non-Newtonian Thermal Elastohydrodynamic Lubrication

Yang Peiran, Wen Shizhu

J. Tribol. October 1990, 112(4): 631–636. doi: https://doi.org/10.1115/1.2920308

Abstract

View articletitled, A Generalized Reynolds Equation for Non-Newtonian Thermal Elastohydrodynamic Lubrication

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Topics: Elastohydrodynamic lubrication , Rheology , Lubricants , Viscosity

Tribological Reaction Generated on Ceramic – Steel Couples Under Boundary Lubrication

Y. Tanita, T. Mine, K. Nakajima

J. Tribol. October 1990, 112(4): 637–642. doi: https://doi.org/10.1115/1.2920309

Abstract

View articletitled, Tribological Reaction Generated on Ceramic – Steel Couples Under Boundary Lubrication

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Topics: Boundary lubrication , Ceramics , Steel , Tribology , Wear , Fracture toughness , Friction , Gases , Lubricating oils , Mechanical properties

Short Bearing Theory Prediction of Inertial Turbulent Journal Orbits

G. Capone, M. Russo

J. Tribol. October 1990, 112(4): 643–649. doi: https://doi.org/10.1115/1.2920310

Abstract

View articletitled, Short Bearing Theory Prediction of Inertial Turbulent Journal Orbits

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Topics: Bearings , Turbulence , Rotors , Fluids , Inertia (Mechanics) , Journal bearings , Lubrication , Nonlinear equations , Particulate matter , Symmetry (Physics)

The Accuracy of Short Bearing Theory in Presence of Cavitation

A. T. Prata, R. T. S. Ferreira

J. Tribol. October 1990, 112(4): 650–654. doi: https://doi.org/10.1115/1.2920311

Abstract

View articletitled, The Accuracy of Short Bearing Theory in Presence of Cavitation

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Topics: Bearings , Cavitation , Stress , Approximation , Clearances (Engineering)

Tappet Rotation and Friction Reduction in a Center Pivot Rocker Arm Contact

P. A. Willermet, J. M. Pieprzak, D. P. Dailey

J. Tribol. October 1990, 112(4): 655–661. doi: https://doi.org/10.1115/1.2920312

Abstract

View articletitled, Tappet Rotation and Friction Reduction in a Center Pivot Rocker Arm Contact

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Topics: Friction , Rotation , Bearings , Film thickness , Geometry , Lasers , Reflectance , Torque

Hydrodynamic Analysis of a Slider Gas Bearing Including the Gas Inertia Effect

Z. P. Mourelatos

J. Tribol. October 1990, 112(4): 662–669. doi: https://doi.org/10.1115/1.2920313

Abstract

View articletitled, Hydrodynamic Analysis of a Slider Gas Bearing Including the Gas Inertia Effect

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Topics: Gas bearings , Inertia (Mechanics) , Pressure , Slider bearings , Steady state , Compressible flow , Density , Errors , Finite element analysis , Flow (Dynamics)

Limitations and Corrections of Optical Profilometry in Surface Characterization of Carbon Coated Magnetic Recording Disks

Yufeng Li, F. E. Talke

J. Tribol. October 1990, 112(4): 670–677. doi: https://doi.org/10.1115/1.2920314

Abstract

View articletitled, Limitations and Corrections of Optical Profilometry in Surface Characterization of Carbon Coated Magnetic Recording Disks

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Topics: Carbon , Disks , Magnetic recording , Surface characterization , Carbon films , Phase shift , Errors , Instrumentation , Optical measurement , Surface roughness

Analysis of a Low Speed Flexible Flat Land Thrust Bearing

M. Carpino

J. Tribol. October 1990, 112(4): 678–683. doi: https://doi.org/10.1115/1.2920315

Abstract

View articletitled, Analysis of a Low Speed Flexible Flat Land Thrust Bearing

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Topics: Thrust bearings , Bearings , Deflection , Design , Disks , Fluid films , Lubrication , Stress

Generation of Submicrometer Particles in Dry Sliding Contact

J. L. Xuan, H. S. Cheng, R. J. Miller

J. Tribol. October 1990, 112(4): 684–691. doi: https://doi.org/10.1115/1.2920316

Abstract

View articletitled, Generation of Submicrometer Particles in Dry Sliding Contact

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Topics: Particulate matter , Wear , Deformation , Microhardness , Stainless steel , Adhesion , Brittle fracture , Equilibrium (Physics) , Lasers , Metals

Approximate Analysis of Turbulent Hybrid Bearings. Static and Dynamic Performance for Centered Operation

Luis San Andre´s

J. Tribol. October 1990, 112(4): 692–698. doi: https://doi.org/10.1115/1.2920317

Abstract

View articletitled, Approximate Analysis of Turbulent Hybrid Bearings. Static and Dynamic Performance for Centered Operation

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Topics: Bearings , Turbulence , Flow (Dynamics) , Fluids , Inertia (Mechanics) , Journal bearings , Pressure

Turbulent Hybrid Bearings With Fluid Inertia Effects

Luis San Andre´s

J. Tribol. October 1990, 112(4): 699–707. doi: https://doi.org/10.1115/1.2920318

Abstract

View articletitled, Turbulent Hybrid Bearings With Fluid Inertia Effects

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Topics: Bearings , Fluids , Inertia (Mechanics) , Turbulence , Flow (Dynamics) , Reynolds number , Compressibility , Fluid dynamics , Friction , Pressure

Measurement of Oil Film Thickness Between W-N Helical Gear Tooth Profiles Using Laser Transmission Method

Yang Ji-Bin, Qi Yu-Lin, Chen Chen-Wen

J. Tribol. October 1990, 112(4): 708–711. doi: https://doi.org/10.1115/1.2920319

Abstract

View articletitled, Measurement of Oil Film Thickness Between W-N Helical Gear Tooth Profiles Using Laser Transmission Method

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Topics: Film thickness , Helical gears , Lasers , Deformation , Errors , Gears , Spur gears

The Complete Determination of Squeeze-Film Linear Dynamic Coefficients From Experimental Data

J. Ellis, J. B. Roberts, A. Hosseini Sianaki

J. Tribol. October 1990, 112(4): 712–724. doi: https://doi.org/10.1115/1.2920320

Abstract

View articletitled, The Complete Determination of Squeeze-Film Linear Dynamic Coefficients From Experimental Data

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Topics: Algorithms , Bearings , Damping , Displacement , Filters , Noise (Sound) , Signals , Stiffness

An Experimental and Theoretical Study of Cavitation in a Finite Submerged Squeeze Film Damper

Chiao-Ping Ku, J. A. Tichy

J. Tribol. October 1990, 112(4): 725–732. doi: https://doi.org/10.1115/1.2920321

Abstract

View articletitled, An Experimental and Theoretical Study of Cavitation in a Finite Submerged Squeeze Film Damper

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Topics: Cavitation , Dampers , Pressure , Cavities , Bearings , Absolute zero , Algorithms , Boundary-value problems , Differential equations , Flow (Dynamics)

Discussions

Discussion: “An Experimental and Theoretical Study of Cavitation in a Finite Submerged Squeeze Film Damper” (Ku, Chiao-Ping, and Tichy, J. A., 1990, ASME J. Tribol., 112, pp. 725–732)

J. Vance

J. Tribol. October 1990, 112(4): 732. doi: https://doi.org/10.1115/1.2924264

View articletitled, Discussion: “An Experimental and Theoretical Study of Cavitation in a Finite Submerged Squeeze Film Damper” (Ku, Chiao-Ping, and Tichy, J. A., 1990, ASME J. Tribol., 112, pp. 725–732)

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Topics: Cavitation , Dampers

Discussion: “An Experimental and Theoretical Study of Cavitation in a Finite Submerged Squeeze Film Damper” (Ku, Chiao-Ping, and Tichy, J. A., 1990, ASME J. Tribol., 112, pp. 725–732)

F. Zeidan

J. Tribol. October 1990, 112(4): 733. doi: https://doi.org/10.1115/1.2924265

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Topics: Cavitation , Dampers

Closure to “Discussions of ‘An Experimental and Theoretical Study of Cavitation in a Finite Submerged Squeeze Film Damper’” (1990, ASME J. Tribol., 112, pp. 732–733)

Chiao-Ping Ku, J. A. Tichy

J. Tribol. October 1990, 112(4): 733. doi: https://doi.org/10.1115/1.2924266

View articletitled, Closure to “Discussions of ‘An Experimental and Theoretical Study of Cavitation in a Finite Submerged Squeeze Film Damper’” (1990, ASME J. Tribol., 112, pp. 732–733)

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Topics: Cavitation

Discussion: “An Efficient and Accurate Formulation of the Surface Deflection Matrix in Elastohydrodynamic Point Contacts” (Chang, L., 1989, ASME J. Tribol., 111, pp. 642–647)

J. M. de Mul, J. J. Kalker

J. Tribol. October 1990, 112(4): 741. doi: https://doi.org/10.1115/1.2920324

View articletitled, Discussion: “An Efficient and Accurate Formulation of the Surface Deflection Matrix in Elastohydrodynamic Point Contacts” (Chang, L., 1989, ASME J. Tribol., 111, pp. 642–647)

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Topics: Deflection

Closure to “Discussion of ‘An Efficient and Accurate Formulation of the Surface Deflection Matrix in Elastohydrodynamic Point Contacts’” (1990, ASME J. Tribol., 112, p. 741)

L. Chang

J. Tribol. October 1990, 112(4): 741. doi: https://doi.org/10.1115/1.2920325

View articletitled, Closure to “Discussion of ‘An Efficient and Accurate Formulation of the Surface Deflection Matrix in Elastohydrodynamic Point Contacts’” (1990, ASME J. Tribol., 112, p. 741)

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Topics: Deflection

Discussion: “Micro Elastohydrodynamic Lubrication of an Elliptical Contact With Transverse and Three Dimensional Sinusoidal Roughness” (Kweh, C. C., Evans, H. P., and Snidle, R. W., 1989, ASME J. Tribol., 111, pp. 577–584)

William R. D. Wilson

J. Tribol. October 1990, 112(4): 741–742. doi: https://doi.org/10.1115/1.2920326

View articletitled, Discussion: “Micro Elastohydrodynamic Lubrication of an Elliptical Contact With Transverse and Three Dimensional Sinusoidal Roughness” (Kweh, C. C., Evans, H. P., and Snidle, R. W., 1989, ASME J. Tribol., 111, pp. 577–584)

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Topics: Elastohydrodynamic lubrication , Surface roughness

Closure to “Discussion of ‘Micro Elastohydrodynamic Lubrication of an Elliptical Contact With Transverse and Three Dimensional Sinusoidal Roughness’” (1990, ASME J. Tribol., 112, pp. 741–742)

C. C. Kweh, H. P. Evans, R. W. Snidle

J. Tribol. October 1990, 112(4): 742. doi: https://doi.org/10.1115/1.2920327

View articletitled, Closure to “Discussion of ‘Micro Elastohydrodynamic Lubrication of an Elliptical Contact With Transverse and Three Dimensional Sinusoidal Roughness’” (1990, ASME J. Tribol., 112, pp. 741–742)

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Topics: Elastohydrodynamic lubrication

Discussion: “Some Effects of Lubricant Composition and Tappet Rotation on Cam/Tappet Friction” (Willermet, P. A., and Peiprzak, J., 1989, ASME J. Tribol., 111, pp. 683–691)

B. Gecim

J. Tribol. October 1990, 112(4): 742–743. doi: https://doi.org/10.1115/1.2920328

View articletitled, Discussion: “Some Effects of Lubricant Composition and Tappet Rotation on Cam/Tappet Friction” (Willermet, P. A., and Peiprzak, J., 1989, ASME J. Tribol., 111, pp. 683–691)

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Topics: Friction , Lubricants , Rotation

Closure to “Discussion of ‘Some Effects of Lubricant Composition and Tappet Rotation on Cam/Tappet Friction’” (1990, ASME J. Tribol., 112, pp. 742–743)

P. A. Willermet, J. Peiprzak

J. Tribol. October 1990, 112(4): 743. doi: https://doi.org/10.1115/1.2920329

View articletitled, Closure to “Discussion of ‘Some Effects of Lubricant Composition and Tappet Rotation on Cam/Tappet Friction’” (1990, ASME J. Tribol., 112, pp. 742–743)

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Topics: Lubricants , Rotation

Discussion: “The Unlubricated Sliding Wear Behavior of a Wrought Cobalt-Chromium Alloy Against Monolithic Ceramic Counterfaces” (Cooper, C. V., Rollend, C. L., and Krouse, D. H., 1989, ASME J. Tribol., 111, pp. 668–674)

M. B. Peterson, S. Jahanmir

J. Tribol. October 1990, 112(4): 743. doi: https://doi.org/10.1115/1.2920330

View articletitled, Discussion: “The Unlubricated Sliding Wear Behavior of a Wrought Cobalt-Chromium Alloy Against Monolithic Ceramic Counterfaces” (Cooper, C. V., Rollend, C. L., and Krouse, D. H., 1989, ASME J. Tribol., 111, pp. 668–674)

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Topics: Alloys , Ceramics , Cobalt , Wear

Closure to “Discussion of ‘The Unlubricated Sliding Wear Behavior of a Wrought Cobalt-Chromium Alloy Against Monolithic Ceramic Counterfaces’” (1990, ASME J. Tribol., 112, p. 743)

C. V. Cooper, C. L. Rollend, D. H. Krouse

J. Tribol. October 1990, 112(4): 743–744. doi: https://doi.org/10.1115/1.2920331

View articletitled, Closure to “Discussion of ‘The Unlubricated Sliding Wear Behavior of a Wrought Cobalt-Chromium Alloy Against Monolithic Ceramic Counterfaces’” (1990, ASME J. Tribol., 112, p. 743)

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Topics: Alloys , Ceramics , Cobalt , Wear

Discussion: “On the Rheology of a Traction Fluid” (Ramesh, K. T., 1989, ASME J. Tribol., 111, pp. 614–619)

S. Bair, W. O. Winer

J. Tribol. October 1990, 112(4): 744. doi: https://doi.org/10.1115/1.2920332

View articletitled, Discussion: “On the Rheology of a Traction Fluid” (Ramesh, K. T., 1989, ASME J. Tribol., 111, pp. 614–619)

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Topics: Fluids , Rheology , Traction

Closure to “Discussion of ‘On the Rheology of a Traction Fluid’” (1990, ASME J. Tribol., 112, p. 744)

K. T. Ramesh

J. Tribol. October 1990, 112(4): 744. doi: https://doi.org/10.1115/1.2920333

View articletitled, Closure to “Discussion of ‘On the Rheology of a Traction Fluid’” (1990, ASME J. Tribol., 112, p. 744)

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Topics: Rheology , Traction

Discussion: “Experimental Investigation of the Shear Strength of Lubricants Subjected to High Pressure and Temperature” (Hoglund, E., and Jacobson, B., 1986, ASME J. Tribol., 108, pp. 571–577)

Scott Bair, W. O. Winer

J. Tribol. October 1990, 112(4): 744–746. doi: https://doi.org/10.1115/1.2920334

View articletitled, Discussion: “Experimental Investigation of the Shear Strength of Lubricants Subjected to High Pressure and Temperature” (Hoglund, E., and Jacobson, B., 1986, ASME J. Tribol., 108, pp. 571–577)

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Topics: High pressure (Physics) , Lubricants , Shear strength , Temperature

Closure to “Discussion of “Experimental Investigation of the Shear Strength of Lubricants Subjected to High Pressure and Temperature” (1990, ASME J. Tribol., 112, pp. 744–746)

E. Hoglund, B. Jacobson

J. Tribol. October 1990, 112(4): 746–748. doi: https://doi.org/10.1115/1.2920335

View articletitled, Closure to “Discussion of “Experimental Investigation of the Shear Strength of Lubricants Subjected to High Pressure and Temperature” (1990, ASME J. Tribol., 112, pp. 744–746)

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Topics: High pressure (Physics) , Lubricants , Shear strength , Temperature

Technical Briefs

Stability Criterion for Spiral Grooved Thrust Gas Bearings

V. N. Constantinescu, S. Galetuse

J. Tribol. October 1990, 112(4): 734–737. doi: https://doi.org/10.1115/1.2920322

Abstract

View articletitled, Stability Criterion for Spiral Grooved Thrust Gas Bearings

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Topics: Gas bearings , Stability , Thrust , Bearings , Compressibility , Dynamic stability , Pressure , Shapes , Thrust bearings

Reynolds Lubrication Theory: A Consideration of Boundary Conditions

V. Rubenchik

J. Tribol. October 1990, 112(4): 737–740. doi: https://doi.org/10.1115/1.2920323

Abstract

View articletitled, Reynolds Lubrication Theory: A Consideration of Boundary Conditions

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Topics: Boundary-value problems , Lubrication theory , Pressure , Vorticity , Approximation , External pressure , Lubrication , Plates (structures) , Stress

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