Results 91 to 100 of about 19,386 (222)

The development of new, low-cost perfluoroalkylether fluids with excellent low and high-temperature properties [PDF]

A series of perfluoroalkylether (PFAE) fluids were synthesized by direct fluorination. Viscosity-temperature properties, oxidation stabilities, oxidation-corrosion properties, and lubricity were determined.
Bierschenk, Thomas R., Juhlke, Timothy J., Kawa, Hajimu, Lagow, Richard J.   +3 more
core   +1 more source

Carbon nanotubes and hexagonal boron nitride nanosheets co‐filled ethylene propylene diene monomer composites: Improved electrical property for cable accessory applications

High Voltage
Rubber‐based composites based on ethylene propylene diene monomer (EPDM) with excellent non‐linear electrical conductivity are preferred to serve as reinforced insulation in cable accessories, which can self‐adaptively regulate electric field ...
Tiandong Zhang, Huiduo Xu, Chuanxian Dai, Changhai Zhang, Yongquan Zhang, Qingguo Chi   +5 more
doaj   +1 more source

Photo-oxidation of EPDM/layered double hydroxides composites: Influence of layered hydroxides and stabilizers

eXPRESS Polymer Letters, 2007
The photo-oxidation of ethylene propylene diene monomer (EPDM)/ layered double hydroxide (LDH) composites as well as EPDM/LDH with stabilizers is studied under accelerated UV irradiation (λ≥290 nm) at 60°C for different time intervals.
doaj   +1 more source

An expert system for satellite and instrument data anomaly and fault isolation [PDF]

A prototype Generic Payload Operations Control System (GPOCC) is being developed at the NASA Jet Propulsion Laboratory to provide a low-cost command and control processing center for science instruments and small payloads.
Busse, Carl
core   +1 more source

Technique for Evaluating the Erosive Properties of Ablative Internal Insulation Materials [PDF]

A technique for determining the average erosion rate versus Mach number of candidate internal insulation materials was developed for flight motor applications in 12 inch I.D. test firing hardware.
Hitner, J. M., McComb, J. C.
core   +1 more source

Block 2 SRM conceptual design studies. Volume 1, Book 1: Conceptual design package [PDF]

The conceptual design studies of a Block 2 Solid Rocket Motor (SRM) require the elimination of asbestos-filled insulation and was open to alternate designs, such as case changes, different propellants, modified burn rate - to improve reliability and ...
Doll, Dan, Hayes, Fred, Maughan, Jeff, Miller, John, Moore, Walt, Ralston, Joe, Richardson, Jennifer, Smith, Brad, Williams, Neal   +8 more
core   +1 more source

Block 5 module design summary [PDF]

The Flat Plate Solar Array Block 5 Module design efforts of six manufacturers are summarized. Residential designs and module designs for intermediate-load applications are described.
Runkle, L. D.
core   +1 more source

A solar water heater for remote communities [PDF]

, 1991
The RADG has been developing a solar water heater suitable for use in remote areas. The original inspiration for this project was to provide hot water for remote Aboriginal communities.
Anda, M., Gray, E., Ho, G.
core   +1 more source

Temperature-dependent hyperelastic behavior of EPDM rubber based on digital image correlation

Materials Research Express
This study investigates the characterization and modeling of the temperature-dependent hyperelastic response of Ethylene Propylene Diene Monomer (EPDM) rubber.
Zhaonan Xie, Shengde Zhang, Xuan Gong, Kai Zhang, Xicheng Huang, Wei Guo, Jiaxing Li, Weizhou Zhong   +7 more
doaj   +1 more source

Effects of Hybrid Filler and Mixing Equipment on the Mechanical and Thermal Properties of NR/EPDM Rubber Blends

Indonesian Journal of Chemistry
This research evaluated the effects of hybrid fillers and mixing equipment on natural rubber (NR) and ethylene propylene diene monomer (EPDM) properties with an 80/20 ratio.
Jutatip Artchomphoo, Diew Saijun, Kamonwan Booncharoen, Pasuta Sungsee, Suwat Rattanapan   +4 more
doaj   +1 more source