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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2883-5
ISBN: 978-0-8031-2883-5
... of these processes will be discussed. Some of the wear processes to be discussed include: abrasion, adhesion, cavitation, rolling contact fatigue, corrosion, and lubrication failure. It is expected that this discussion will provide a basic background to facilitate understanding of the more complex wear processes...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2883-5
ISBN: 978-0-8031-2883-5
... failures. In most cases, these will represent actual failures including: misalignment, insufficient fluid lubrication, particle contamination, brinelling, corrosion, and cavitation. Various examples of these and other pump failure modes are provided. hydraulic pumps bearings oil oxidation...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2883-5
ISBN: 978-0-8031-2883-5
... This paper provides an overview of hydraulic fluid impact on the inlet condition and cavitation potential. A clear understanding of physical properties is vital to properly evaluate their effect on lubrication and cavitation. Proper hydraulic system design is critical for optimal operation...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2883-5
ISBN: 978-0-8031-2883-5
... Cavitation damage in hydraulic machines is still unavoidable as the downsizing and the increase in their power continue. One of the characteristic features of cavitation erosion is that the removal of metallic material occurs after an incubation period, during which no mass loss, but plastic...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2883-5
ISBN: 978-0-8031-2883-5
... on the tribological behavior of a fluid power component as well as on the occurrence of cavitation. Material loss in a fluid power component is affected by oil type due to their different behavior in tribological pairs and cavitating flows. The most commonly used hydraulic oils as well as motor oils have been...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2610-7
ISBN: 978-0-8031-2610-7
... because they are completely revising the well known FVV Test R443/1986, which is the most important test for German car manufacturers. engine coolant systems test requirements coolant testing test standards corrosion cavitation heat transfer inhibitor technology Markus B. BrOsel I Overview...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1998
ISBN-10: 0-8031-2603-4
ISBN: 978-0-8031-2603-9
... A device to measure the instantaneous erosion rate has been perfected. It is available for all types of erosion such as those involving corrosion, abrasion, erosion by shock and cavitation. The calibration being made, it gives a quantitative value of the erosion and moreover, on certain cases...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1994-1
ISBN: 978-0-8031-1994-9
... determined from creep rupture and fatigue life data. The nature of damage was investigated by metallographic examination, cavitation measurements, and fractographic observations. The extent of individual creep and fatigue contributions to the overall life and nature of superposition of creep and fatigue...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1851-1
ISBN: 978-0-8031-1851-5
... Cavitation corrosion (liner pitting) became a major problem for wet sleeve diese engines in the 1940s. For most engines, generous use of supplemental coolant additives (SCAs) adequately controlled pitting. In the mid 1980s, problems of SCA overtreatment such as silicate gelation, water pump seal...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1851-1
ISBN: 978-0-8031-1851-5
... gives better overall aluminum protection. Furthermore if overtreated, it is less likely to cause solder bloom, silicate gelation, and water pump leakage. supplemental coolant additives heavy duty diesel engine coolants antifreezecoolant corrosion inhibitors corrosion cavitation R. D...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1389-7
ISBN: 978-0-8031-1389-3
... Acoustic Emission measurements are shown to be a reliable indicator of cavitation pressure pulses. The method of display is the root mean square, RMS, of the AE signal integrated over 1 second that is proportional to the average cavitation energy. An inexpensive AE transducer, amplifier, filter...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1461-3
ISBN: 978-0-8031-1461-6
.... hammer force pressure surge rapid system shutdown adiabatic compressive heating adiabatic compression “dead leg” gas generator preburner main combustion chamber combustion device cavitation ignition hazards test profile pressurant pressure fed system “hardwire” test termination system...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1266-1
ISBN: 978-0-8031-1266-7
.... The spacing of these dimples can be correlated with the spacing of the exposure-induced grain boundary cavities. The extent of cavitation and the subsequent embrittlement is found to be sensitive to both the specimen grain size as well as the tritium charging and aging temperature. The nucleation and growth...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1986
ISBN-10: 0-8031-0432-4
ISBN: 978-0-8031-0432-7
... like heat transfer characteristics, freezing protection, cavitation and erosion-corrosion, rubber compatibility, and toxicological properties. These properties are largely determined by the chemical and physical properties of the coolant base material rather than by the additive package which controls...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1986
ISBN-10: 0-8031-0432-4
ISBN: 978-0-8031-0432-7
... and in cavitating solutions; and of brass in inhibited solutions. The measuring and monitoring of corrosion rates was accomplished mostly by linear polarization (polarization resistance) methods. Other studies involved the use of either anodic polarization measurements or continuous current measurements at constant...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1986
ISBN-10: 0-8031-0432-4
ISBN: 978-0-8031-0432-7
... Specifications for automotive coolants of European car manufacturers differ from those of U.S. car manufacturers. In Europe, especially, the performance concerning the protection of engine materials against cavitation-corrosion is outlined in a series of specifications. Each car manufacturer had...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1982
ISBN-10: 0-8031-0740-4
ISBN: 978-0-8031-0740-3
... not show any cracks, up to 700 h, for the applied stress of both 90 and 110 percent yield strength, but pitting phenomena were evident. Cavitation tests were performed to evaluate the behavior of this steel for hydraulic purposes. Results concerning the manufacture of six turbine shells for a nuclear...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1982
ISBN-10: 0-8031-0742-0
ISBN: 978-0-8031-0742-7
..., while cavitation limits it in 6 percent magnesium alloy. It is suggested that dynamic recovery and perhaps a contribution from dynamic recrystallization are the metallurgical mechanisms responsible for this behavior. sheet metal forming range of aluminum-magnesium alloys cavitation grain growth...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1981
ISBN-10: 0-8031-0704-8
ISBN: 978-0-8031-0704-5
... In order to clarify the roles of cavitation and erosion in the cavitation-corrosion damage of a pump casing used for pumping a corrosive chlorinated fresh water, an electrochemical study has been performed using a one-third scale prototype double-suction volute pump. Three electrochemical...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1980
ISBN-10: 0-8031-0331-X
ISBN: 978-0-8031-0331-3
... the way for a standardization of coolant test methods. coolants original equipment manufacturers corrosion cavitation erosion compatability inhibitor restriction toxicity ethylene glycol Peter Berchtold^ Automotive Coolants in Europe: Technical Requirements and Testing REFERENCE...