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2015-04-06
Standard
AS5782A
This SAE Aerospace Standard (AS) covers solid, uncut polytetrafluoroethylene (PTFE) retainers (backup rings) for use in glands in accordance with AS4716. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings, packings and other elastomeric seals for static and dynamic applications. Because of the construction of groove dimensions, backup rings specific to rod applications are designated "R" - Rod (Female), backup rings specific to piston applications are designated "P" - Piston (Male). Piston and rod types of virgin pigmented PTFE are also identified by color code which also distinguishes parts to this standard from those made from virgin PTFE to other standards.
2015-04-06
Standard
AS5781A
This SAE Aerospace Standard (AS) covers scarf-cut polytetrafluoroethylene (PTFE) retainers (backup rings) for use in glands in accordance with AS4716. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings, packings and other elastomeric seals for static and dynamic applications. Because of the construction of groove dimensions, backup rings specific to rod applications are designated "R" - Rod (Female), backup rings specific to piston applications are designated "P" - Piston (Male). Piston and rod types of virgin pigmented PTFE are also identified by color code which also distinguishes parts to this standard from those made from virgin PTFE to other standards.
2015-04-02
WIP Standard
AS1576E
This document defines the requirements for weld fittings and machine weldments using an orbiting welding head suitable for use on cold worked 3Al 2.5V titanium, 21Cr 6Ni 9Mn CRES and 718 nickel alloy tubing. Fitting standards covered by this specification include non-separable welded elbow, tee, and reducer fittings, and reconnectable 24 degree cone fittings such as sleeves and unions.
2015-04-01
Article
New water-rejecting coating explored by chemists at University College London and other universities makes for tough self-cleaning surfaces that might work on motor vehicles.
2015-03-31
WIP Standard
AS50571B
This specification covers the general requirements for red and white individual instrument lights. This document has been streamlined. Appendix A to MIL-L-5057F lists those documents required for MIL-L-5057F acquisition and is a mandatory part of MIL-L-5057F. Those documents listed in Appendix A have the same status as those referenced directly in MIL-L-5057F (first tier documents). All other documents, referenced through tiering, may be used as guidance and information to supplement MIL-L-5057F. This document’s scope is limited to lamp source designs solely. Furthermore, the use of red lighting should not be considered for new design and included within this document to support requirements for existing military aircraft that still operate with this system of lighting.
2015-03-30
Technical Paper
2015-01-0126
Meng Choung Chiong, Srithar Rajoo, Alessandro Romagnoli
Abstract This paper presents a concept for new piston expander utilizing nozzle as part of a secondary steam cycle to recover exhaust energy. A commercial 1D simulation tool, AVL BOOST, was used to model the system, and comparison study was carried out between the conventional and nozzle piston expanders. It was found the nozzle piston expander could increase output power from a minimum of 0.73kW up to a maximum of 4.75kW. The simulation study has shown that the concept of using nozzle to admit steam into the piston expander has potential to improve engine system level efficiency.
2015-03-29
Standard
AS4311A
SCOPE IS UNAVAILABLE.
2015-03-29
Standard
AS4309D
SCOPE IS UNAVAILABLE.
2015-03-29
Standard
AS4310A
SCOPE IS UNAVAILABLE.
2015-03-27
Standard
J1254_201503
This SAE Standard includes names of major components and parts peculiar to this type of machine. Illustrations used here are not intended to include all existing commercial machines or be exactly descriptive of any particular machine. They have been provided to describe the principles to be used in applying this document.
2015-03-25
WIP Standard
AS5828A
No scope available.
2015-03-24
Standard
AMS4903C
This specification covers a titanium alloy in the form of sheet strip, and plate up through 2.000 inches (50.80 mm), inclusive.
2015-03-24
Standard
AMS4904C
This specification covers a titanium alloy in the form of sheet, strip, and plate up through 2.000 inches (50.80 mm), inclusive.
2015-03-24
Standard
AMS4901T
This specification covers one grade of commercially-pure titanium in the form of sheet, strip, and plate up through 1.000 inch (25.40 mm), inclusive.
2015-03-24
Standard
AMS5629G
This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, flash welded rings, extrusions, and stock for forging, flash welded rings, or extrusion.
2015-03-24
Standard
AMS4116J
This specification covers an aluminum alloy in the form of bars, rods, and wire.
2015-03-24
Standard
AMS4115J
This specification covers an aluminum alloy in the form of rolled or cold-finished bars, rods, and wire, of flash welded rings, and of stock for flash welded rings.
2015-03-24
Standard
AMS4117K
This specification covers an aluminum alloy in the form of rolled or cold-finished bars, rods, and wire and of flash welded rings and stock for flash welded rings.
2015-03-19
WIP Standard
AS20659E
No scope available. An Amendment corresponding to this standard is available at AS20659A_A1
2015-03-17
Standard
AS1039G
SCOPE IS UNAVAILABLE.
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