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    Hydraulic Failure Analysis: Fluids, Components, and System Effects

    Totten GE, Wills DK, Feldmann DG
    Published: 2001

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    41 papers provide a comprehensive overview of the problems and new technologies in hydraulic systems associated with hydraulic fluids and their interaction with component design, component metallurgy, and the design of the hydraulic system itself.

    Six sections cover: Theory, Mechanism and Simulation • Failure Analysis • Materials • Components--Seals, Valves and Rolling Element Bearings • Fluids

    Major issues addressed include:

    • The effect of fluid chemistry on component failure as the result of oxidation, wear debris, viscosity loss, generation of corrosion by-products, and yellow metal wear.

    • Metallurgy of the material, including material pair effects and physical properties.

    • The effect of surface finish.

    • Modeling wear mechanisms as a function of material pair contact loading, speed, and other factors.

    • Dynamic versus static wear.

    • Wear mechanisms including rolling contact fatigue, cavitation, lubrication failure, abrasive wear, and others, in addition to combinations of these mechanisms.

    • Methods of failure analysis focusing on strategies to identify root caused of failure.

    • Hydraulic component design and metallurgy of bearings, gears, slippers, and end-plates.

    Table of Contents

    Tribological Design: A Real World Approach

    Mechanisms of Abrasive Wear in Lubricated Contacts

    Tribology of Hydraulic Systems: Hydrodynamic Effects of Surface Roughness

    Lubrication Characteristics on Sliding Surfaces in a Piston Pump and Motor During Running-In Tests

    Elastic-Plastic Finite Element Stress Analysis of Two-Dimensional Rolling Contact

    Development of a New Application-Related Test Procedure for Mechanical Testing of Hydraulic Fluids

    Modeling Abrasive Wear of Homogeneous and Heterogeneous Materials

    Hydraulic Gear Pump Failure Analysis and Tribology Simulation

    Corrosive Wear in Hydraulic Systems: An Overview

    Root Cause Analysis to Identify Hydraulic Failure Modes

    Failure Analysis of the Hydraulic Drive System in a Storm Surge Barrier

    Analysis of Failure Modes of a Military Hydraulic Fluid: MIL-H-46170

    Wear Particle Analysis

    Problems and Possibilities with Bottle Sampling for Assessment of Particle Concentration

    Wear and Wear Debris in a Changing World

    Advanced Strategies for the Monitoring and Control of Water Contamination in Oil Hydraulic Fluids

    Advancements in Fluid Analysis Technologies and Strategies for Hydraulic System Condition-Based Maintenance

    Hydraulic Pump Contaminant Wear

    Piston Pump Failures In Various Type Hydraulic Fluids

    Fundamental Hydraulic Wear Processes

    Analysis of Common Failure Modes of Axial Piston Pumps

    Effect of Pump Inlet Conditions on Hydraulic Pump Cavitation: A Review

    The Influence of Surface Topography and Environment on the Fatigue Life of a Hydraulic Motor

    TRIZ-Based Root Cause Failure Analysis for Hydraulic Systems

    The Surface Behavior of Metallic Materials During the Incubation Period of Cavitation Erosion

    Failure Mechanism of a Hydraulic Log Piston and Slipper Assembly

    Development of Pseudoelastic TiNi Tribo Materials

    Research of Suitable Material Pairs for Applications Operating with High WaterBased Fluids

    Ceramic Parts for Hydrostatic Pumps and Motors

    PVD-Coatings — Applications in Fluid Power Technology

    Improving Tribological Performance of Mechanical Components by Laser Surface Texturing

    An Investigation of Fundamental Blistering Phenomena in Rotary Lip Sealing

    Influence of Lubrication on Wear and Friction on O-Rings in Contact with Yellow Metal

    Hydraulic Valve Problems Caused by Oil Oxidation Products

    Rust Inhibitor Contamination-Related Problems in Military Aircraft Hydraulic Systems

    Extending Rolling Element Bearing Life in Hydraulic Systems with Water-based Fluids — The Grease Lubrication Option

    The Importance of Shear Stability in Multigraded Hydraulic Fluids

    Corrosive Wear Behavior of 304 Stainless Steel and Its Variation with Alloyed Oxygen-Active Element Yttrium

    A Study of the Mechanism for Beneficial Effects of Yttrium Additive in Lubricant on Corrosive Wear and Friction of Metals

    The Effect of Oil Type on Wear in Fluid Power Components

    Recent Experiences with Ester Based Fluids in Qualification Tests

    Author Index

    Subject Index

    Committee: D02

    DOI: 10.1520/STP1339-EB

    ISBN-EB: 978-0-8031-5567-1

    ISBN-13: 978-0-8031-2883-5