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Elastomers Aerospace

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Standard

Wheel Chocks
2021-04-08
CURRENT
AIR4905A
The purpose of this document is to present general considerations for the design and use of aircraft wheel chocks. The design and use of aircraft wheel chocks is a good deal more complicated than it may appear at first glance.
Standard

Wheel Chocks
2011-05-16
HISTORICAL
AIR4905
The purpose of this document is to present general considerations for the design and use of aircraft wheel chocks. The design and use of aircraft wheel chocks is a good deal more complicated than it may appear at first glance.
Standard

VISUAL INSPECTION GUIDE FOR INSTALLED HOSE ASSEMBLIES
1986-12-01
HISTORICAL
ARP1658A
This recommended practice covers visible surface defects on aerospace hose assemblies which have been installed and are functioning within a working environment at the time of visual inspection.
Standard

VISUAL INSPECTION GUIDE FOR INSTALLED HOSE ASSEMBLIES
1982-03-01
HISTORICAL
ARP1658
This recommended practice covers visible surface defects on aerospace hose assemblies which have been installed and are functioning within a working environment at the time of visual inspection.
Book

Tyre Recycling
2004-01-01
This is an expert overview on the topic of tire recycling. It summarizes current practices and the factors that have contributed to their growth and efficacy as viable, economically and environmentally sound methods of dealing with post-consumer tires. There are around 1 billion tires produced each year across the globe. It is estimated that for every tire sold another joins the waste stream. This publication explores innovative alternatives available to simply disposing of tires. In fact, waste tire products have many desirable properties in key application areas from thermoplastic elastomers to road surfaces. The primary area of study of this report is the EU, but reports from the US have also been cited. Statistics are incorporated from the EU markets, which illustrate changes in the industry since the inception of the European Tire Recycling Association a decade ago.
Technical Paper

Two Special Cost-Effective Applications for Electrochemical Metallizing for Improved Brazing and Bonding
1989-04-01
890927
TWO SPECIALTY APPLICATIONS for electrochemical metallizing have recently proved cost-effective and technologically sound. Aircraft engine manufacturers and maintenance facilities find nickel electrochemical metallizing an excellent way to enhance braze-ability of super alloys on turbine engines and other components. A base nickel deposit permits even brazing at lower temperatures, avoiding heat damage to adjacent honeycomb. Aluminum helicopter rotors present bonding problems, now solved by selective electrochemical anodizing. Leading edges are often covered with a hard alloy shield or a layer of synthetic rubber, bonded to the aluminum base with high-strength adhesives. Selective electrochemical anodizing leading edges of rotors guarantees adhesion vastly superior to direct bonding.
Standard

Tube, Pneumatic Tire, Aircraft
2010-06-25
HISTORICAL
AS50141A
This SAE Aerospace Standard (AS) establishes requirements for manufacturing, testing, identification, packaging, and quality of tubes for application in commercial and military aircraft wheel assemblies.
Standard

Tolerances, Metric Rubber Products
1998-08-01
HISTORICAL
MAM2279A
This specification covers established metric (SI) manufacturing tolerances applicable to non-cellular rubber products ordered to metric dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "exclusive" applies only to the higher figure of the specified range.
Standard

Tolerances, Metric Rubber Products
2014-03-19
CURRENT
MAM2279B
This specification covers established metric (SI) manufacturing tolerances applicable to non-cellular rubber products ordered to metric dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "exclusive" applies only to the higher figure of the specified range.
Standard

Tolerances Rubber Products
2004-03-26
HISTORICAL
AMS2279A
This specification covers established inch/pound manufacturing tolerances applicable to non-cellular rubber products ordered to inch/pound dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "exclusive" applies only to the higher figure of the specified range.
Standard

Tolerances Rubber Products
2011-11-07
CURRENT
AMS2279B
This specification covers established inch/pound manufacturing tolerances applicable to non-cellular rubber products ordered to inch/pound dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "exclusive" applies only to the higher figure of the specified range.
Technical Paper

Thrust Vector Control Flex Joints-Commercial Applications
1974-02-01
740877
The need for high-pressure articulating pipe couplings for advanced shipboard application and for the new deepwater piping systems is being satisfied by an extension of aerospace technology-the flexible elastomeric seal. The flexible elastomeric seal was first developed at Lockheed Propulsion Comp. in 1963 and since that time has seen application on thrust vector control systems of rocket motor systems. Its recent application to commercial products is described in this paper. Other future applications in this area are expanding.
Technical Paper

Thermal Expansion Molding Process for Aircraft Composite Structures
1980-04-01
800612
Thermal expansion molding is a low-cost manufacturing method for fabricating fiber-reinforced-resin composite structures. In its simplest form, the tooling is self-pressurized by thermal expansion of solid “rubber” blocks inside a closed hard mold box. To provide closer control of molding pressure, hollow rubber blocks may be pressurized from an external source. A procedure for sizing castable rubber tools is explained, and several examples of integrally molded complex structures are shown.
Technical Paper

The influence of Esters on Elastomer Seals
1985-10-01
851868
To ensure the flawless performance of gasturbine engines it is essential to have a full understanding of the influence of ester base fluids on elastomers, which are used as seals in these engines. This paper describes the development of a simple model to relate the chemical structure of ester base fluids and elastomer swell properties. It's validity has been checked experimentally using a variety of elastomer seals and lubricant base fluids. This model offers a guideline in the selection of esters for gasturbine engine oils, enabling current or new military and civilian specifications to be met.
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