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Test Slabs, Acrylonitrile Butadiene (NBR-L) Low Acrylonitrile, 65 - 75

AMS CE Elastomers Committee
  • Aerospace Material Specification
  • AMS3217/2D
  • Current
Published 2020-03-04 by SAE International in United States
This specification covers a standard acrylonitrile butadiene (NBR-L) rubber stock with low acrylonitrile content in the form of molded test slabs.
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Assessment of Elastomer Volume Swelling Behavior in Aero-Derived Gas Turbine Engine Lubricants - Short Duration Test

E-34 Propulsion Lubricants Committee
  • Aerospace Standard
  • ARP7355
  • Current
Published 2020-02-20 by SAE International in United States
This method is used for determining the volume swelling effect of aero-derived gas turbine engine lubricants on elastomeric materials. It provides insight into the expected performance of a candidate lubricants impact upon elastomer swell and provides data to determine if the candidate lubricant meets specification requirements. This ARP is based upon Federal Standard 791, Method 3604.
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Low Friction and Low Viscosity Final Drive Oil

SAE International Journal of Advances and Current Practices in Mobility

JXTG Nippon Oil & Energy Corporation-Mona Ariyama, Hitoshi Komatsubara
Nissan Motor Co., Ltd.-Tomoo Kubo, Naoto Akie, Yuji Okamoto, Sachiko Okuda, Takumaru Sagawa
  • Journal Article
  • 2019-01-2336
Published 2019-12-19 by SAE International in United States
The new lubricant was newly developed for differential gear unit to contribute to all friction factors/conditions (Boundary, Hydrodynamic & those Mixed Lubrication) even if the differential gear is operating under very severe conditions such as high-gear-contact pressure and highly sliding speed. The main concept of development was selecting and formulating the optimized additives for severe lubrication conditions in order to achieve the best balance between thinner-film thickness and extreme pressure performance. In conclusion, by the application of both synthetic base oil instead of mineral one and activation technology of MoDTC in spite of ZnDTP free formulation, it is finally realized to reduce the torque of final drive unit by 40% and it can be estimated the 0.5% of CO2 reduction in actual vehicles.
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Lubricating Characteristics and Typical Properties of Lubricants Used in Aviation Propulsion and Drive Systems

E-34 Propulsion Lubricants Committee
  • Aerospace Standard
  • AIR5433C
  • Current
Published 2019-11-19 by SAE International in United States
This SAE Aerospace Information Report (AIR) establishes guidance for the specification of formulated lubricant properties which contribute to the lubricating function in bearings, gears, clutches, and seals of aviation propulsion and drive systems.
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Emission and Tribological Studies on Nano CuO/Jatropha Methyl Ester/Synthetic Mineral Oil in a Two-Stroke Engine

Bannari Amman Institute of Technology-Anbalagan Ramakrishnan
Vellore Institute of Technology-Govindasamy Rajamurugan, Prabu Krishnasamy
Published 2019-10-11 by SAE International in United States
In lieu of the drastic growth of the vehicle population, there is a huge consumption of fossil fuels and mineral oils for mobility. This leads to depletion in fossil fuels and mineral oils which are the by-products of petroleum. These fossil fuels can’t sustain for a long period of time because of its toxicity. In order to reduce the usage of existing mineral oil for lubrication, a source of non-edible oil from Jatropha curcus is processed as jatropha methyl ester (JME). It is holding high viscosity, density and easy blend with base oil. In this current work, the wear resistance of the lubricating oil is enhanced by the addition of nano-copper oxide particle blend with the base oil. The emission performance and tribological behavior have been experimentally tested in 98.2CC two-stroke air cooled engine. The 20% of JME blend with CuO nano particle provides better emission performance and wear characteristics than the other combination of blends.
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SEAL, BONDED, ALUMINIM ALLOY 6061-T6, AMS4027, MOLD IN GROOVE, NBR RUBBER, AMS-R-7362

A-6C2 Seals Committee
  • Aerospace Standard
  • AS27195B
  • Current
Published 2019-09-03 by SAE International in United States
No Abstract Available.
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O-Ring Molded from AMS7273 Material, Metric

A-6C2 Seals Committee
  • Aerospace Standard
  • MA3434A
  • Current
Published 2019-07-10 by SAE International in United States
No Abstract Available.
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Coupling Assemblies, Quick Disconnect, Automatic Shutoff

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS7413A
  • Current
Published 2019-04-23 by SAE International in United States
This specification establishes requirements for automatic shutoff, quick-disconnect coupling assemblies for fuel and oil lines.
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Synthesizing Renewable Oils for Use in Lubricants

  • Magazine Article
  • TBMG-34138
Published 2019-04-01 by Tech Briefs Media Group in United States

Industrial machinery, agricultural equipment, transportation vessels, and home applications depend on lubricants; however, they leave a heavy environmental footprint. Common lubricants, oils, greases, and emollients typically consist of mineral, or petroleum, base oils — often up to 90 percent by weight. These mineral base oils are highly volatile and tend to thicken quickly, which means that lubricants need to be replaced often, generating waste.

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Evaluation of Gas Turbine Engine Lubricant Compatibility with Elastomer Slabs - Long Duration Test

E-34 Propulsion Lubricants Committee
  • Aerospace Standard
  • ARP6917
  • Current
Published 2018-12-10 by SAE International in United States
This test method provides procedures for exposing specimens of elastomer material (slab form) representative to those used in gas turbine engines to aviation lubricants under extended duration and engine relevant thermal conditions. For AS5780 requirements the time is at least 1800 hours and temperatures are 100 °C to 160 °C. Positive volume change is an indication of specimen swell and subsequent negative volume change is an indication of specimen deterioration, both properties are important in the evaluation of the compatibility of the lubricant with elastomers used in the construction of the gas turbine.
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