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Training / Education
2015-03-09
Today's necessity for quickly delivering products to market limits product development time and leaves less room for error and 're-dos.' With so many plastic materials available, it is crucial that those involved in product design understand resin properties and how they affect part design and manufacturability. To help you make the best plastic choices the first time, this seminar provides an overview of polymer chemistry, explains the methods for testing properties of plastics and presents a method of systematic selection that will optimize your plastics material selection process.
Technical Paper
2014-09-15
Kai Chen
The synthetic paraffinic kerosine (SPK) produced via HEFAs is of great interest for civil aviation industry as it exhibits an excellent thermal oxidative stability with significantly lower particulate matter emission. However, due to its aromatic free characteristics, the widespread use of SPK is limited by its compatibility with non-metal materials such as fuel tank elastomers. In this research the compatibility of SPK and its blends with widely used aircraft fuel tank elastomers were systematically studied. Experimental results demonstrated the volume swellability of all selected materials showed a linear relationship with volume percentage of No.3 jet fuel in SPK blend. The increase of volume percentage of No.3 jet fuel in the SPK blend increased volume swellability for all materials except fluorosilicone gasket. The alkyl benzenes and naphthalenes in the blend acted as the hydrogen donors, which facilitated the formation of polymer matrix and led to the increase of the distance between polymer chains.
WIP Standard
2014-07-23
This specification covers a butyl (IIR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.
Standard
2014-07-22
This specification covers treated aluminum core material for structural sandwich construction.
Standard
2014-07-07
This SAE Aerospace Information Report (AIR) is intended to be used as a process verification guide for evaluating implementation of key factors in repair of metal bond parts or assemblies in a repair shop environment. This guide is to be used in conjunction with a regulatory approved and substantiated repair, and is intended to promote consistency and reliability.
Magazine
2014-07-01
Global Viewpoints The latest strategies are investigated for vehicle development by automakers and major suppliers. Sports cars embrace array of green technology IMSA Tudor United SportsCar Championship promotes a variety of green technologies to link racing to the road. More gears, more challenges Many strategies, as well as key software and hardware aspects related to controllers, networks, sensors, and actuators, must be considered to keep automatic transmissions shifting smoothly as more gears are added to improve fuel economy. Advancing structural composites Industry experts address the opportunities and challenges involved with moving toward composite-intensive vehicles, including Nissan's effort to produce a high-volume, fully recyclable composite liftgate with low metal content.
Technical Paper
2014-06-30
Giorgio Veronesi, Christopher Albert, Eugène Nijman, Jan Rejlek, Arnaud Bocquillet
Abstract In many application fields, such as automotive and aerospace, the full FE Biot model has been widely applied to vibro-acoustics problems involving poro-elastic materials in order to predict their structural and acoustic performance. The main drawback of this approach is however the large computational burden and the uncertainty of the input data (Biot parameters) that may lead to less accurate prediction. In order to overcome these disadvantages industry is asking for more efficient techniques. The vibro-acoustic behaviour of structures coupled with poroelastic trims and fluid cavities can be predicted by means of the Patch Transfer Function (PTF) approach. The PTF is a sub-structuring procedure that allows for coupling different sub-systems via impedance relations determined at their common interfaces. The coupling surfaces are discretised into elementary areas called patches. Since the patch impedances can be determined in either computational or experimental manner, the PTF approach offers full modularity.
Standard
2014-06-27
This document provides a method/procedure for specifying the properties of vulcanized elastomeric materials (natural rubber or synthetic rubbers, alone or in combination) that are intended for, but not limited to, use in rubber products for automotive applications. This document covers materials that do not contain any re-use; recycled; or regrind materials unless otherwise agreed to by manufacturer and end user. The use of such materials, including maximum % must be specified using a “Z” suffix. This classification system covers thermoset High Consistency Elastomers (HCE’s) only. Thermoplastic Elastomer (TPE) materials are classified using SAE J2558. Silicone Formed In Place Gasket (FIPG) systems such as Room Temperature Vulcanized (RTV) Silicones, and Liquid Silicone Rubber (LSR) systems are classified using ASTM F 2468.
Standard
2014-06-04
This SAE Standard provides a means for specifying or describing the pertinent properties of fiberboards for automotive applications. The materials normally specified by this standard are defined in SAE J947. The test methods commonly used for fiberboards are defined in SAE J315.
Standard
2014-06-03
This SAE Recommended Practice is designed to reveal discoloration which may occur when nonmetallic materials used for trimming automobiles are exposed for a limited time to an atmosphere containing hydrogen sulfide. NOTE 1: CAUTION-Hydrogen sulfide gas is extremely hazardous. Use of this substance may be fatal if proper precautions are not taken. This test method does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. NOTE 2: A fume hood and adequate ventilation should be provided at all times during testing.
WIP Standard
2014-05-29
This SAE Recommended Practice determines whether plastic and glass-plastic safety glazing materials will successfully withstand exposure to simulated weathering conditions.
Standard
2014-05-28
This specification covers a silicone rubber sponge in the form of sheet, strip, extrusions, and molded shapes.
Standard
2014-05-28
This specification covers a silicone rubber sponge in the form of sheet, strip, extrusions, and molded shapes.
Standard
2014-05-28
This specification covers a fluorosilicone (FVMQ) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. These products have been used typically for parts requiring resistance to jet fuel and lubricating oils, but usage is not limited to such applications. Generally, products are usable over a temperature range of -76 to +302 degrees F (-60 to +150 degrees C); each application, however, has to be considered individually.
Standard
2014-05-28
This specification covers high temperature, compression set, and fluid resistant fluorocarbon elastomer sheets, strips, molded parts, and extruded shapes for aeronautical and aerospace applications. This material differs from other fluorocarbon elastomers because of its improved low temperature performance of approximately 25°F.
Standard
2014-05-27
This specification covers a silicone (VMQ) rubber in the form of sheet, strip, tubing, extrusions and molded shapes. Primarily for parts required to operate or seal from -55 to +230 degrees C (-67 to +446 degrees F), compounded especially for aircraft piston engine oil resistance, low compression set, and controlled dielectric strength. Silicone elastomer is resistant to deterioration by weathering and by high-aniline-point petroleum-base oils and remains flexible over the temperature range noted. The elastomer is not normally suitable for use in contact with gasoline or aromatic fuels and low-aniline-point petroleum-base fluids due to excessive swelling of the elastomer.
Standard
2014-05-27
This specification covers a silicone elastomer in the form of sheet, strip, tubing, extrusions, and molded shapes. These products have been used typically as seals from -65 degrees to +225 degrees C (-85 degrees to +437 degrees F), compounded especially for high strength. Silicone rubber is resistant to deterioration by weathering and by high-aniline-point petroleum-base lubricating oil and phosphate ester hydraulic fluid, and remains flexible over the temperature range noted. This material is not normally suitable for use in contact with hydrocarbon-based fuels and low-aniline-point petroleum-base fluids due to excessive swelling of the elastomer, but usage is not limited to such applications. Each application should be considered individually.
Standard
2014-05-27
This specification covers a silicone (VMQ) rubber in the form of sheet, strip, tubing, molded shapes and extrusions. These products have been used typically for parts required to operate or seal from -65 to +205 degrees C (-85 to +401 degrees F), compounded especially for high strength and resiliency, but usage is not limited to such applications. Silicone elastomer is resistant to deterioration by weathering and aircraft piston engine oil and remains flexible over the temperature range noted. This material is not normally suitable for use in contact with gasoline or aromatic fuels and low-aniline-point petroleum-base fluids due to excessive swelling of the elastomer.
Standard
2014-05-27
This specification covers a silicone (PVMQ) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. Primarily for parts required to operate or seal from -85 to +230 degrees C (-121 to +446 degrees F), compounded especially for operation at extreme low temperatures. Silicone rubber is resistant to deterioration by weathering and by high-aniline-point petroleum-base oils and remains flexible over the temperature range noted. These products are not normally suitable for use in contact with low-aniline-point petroleum-base fluids, including fuels, due to excessive swelling.
Standard
2014-05-27
This specification covers metallic-encased gaskets with and without inlays.
Standard
2014-05-27
This specification covers a silicone (VMQ) rubber in the form of sheet, strip, tubing, molded shapes, and extrusions. These products have been used typically for rubber-like parts required to operate or seal from -75 degrees to +205 degrees C (-103 degrees +401 degrees F), compounded especially for high strength and resiliency, but usage is not limited to such applications.
Standard
2014-05-27
This specification covers a silicone rubber sponge in the form of sheet, strip, extrusions, and molded shapes.
WIP Standard
2014-05-23
This test method specifies the operating conditions for a fluorescent ultraviolet (UV) and condensation apparatus used for the accelerated exposure of various automotive exterior components. Specimen preparation, test duration, and performance evaluation procedures are addressed by each automotive manufacturerÕs material specifications. This SAE Standard may involve hazardous materials, operations, and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this document to consult and establish appropriate and health practices and determine the applicability of regulatory limitations prior to use. Significance and Use This test method is designed to simulate extreme environmental conditions encountered on the outside of an automobile due to sunlight, heat, and to provide an acceleration of exposure for the purpose of predicting the performance of exterior automotive materials. Unless otherwise specified, all dimensions reported in this method are nominal.
Standard
2014-05-20
This procedure is used to determine seam strength and seam fatigue of automotive textiles, vinyl coated fabrics and related soft trim materials.
WIP Standard
2014-05-20
This SAE Recommended Practice is intended to cover plastic safety glazing for use in motor vehicles and motor vehicle equipment. Nominal specifications for thickness, flatness, curvature, size, and fabrication details are presented principally for the guidance of body engineers and designers. For additional information on plastic safety glazing materials for use in motor vehicles and motor vehicle equipment, please see SAE J674.
WIP Standard
2014-05-19
This specification covers an extreme low-temperature-resistant silicone rubber in the form of sheet, strip, and molded shapes. Primarily for rubber-like parts required to operate or seal from -112 to +446 °F (-80 to +230 °C), compounded especially for operation at extreme low temperatures. Silicone rubber is resistant to deterioration by weathering and by high-aniline-point petroleum-base oils and remains flexible over the temperature range noted. These products are not normally suitable for use in contact with low-aniline-point petroleum-base fluids, including fuels, due to excessive swelling.
Standard
2014-05-08
This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings. These rings have been used typically for sealing at temperatures as low as -55 degrees C (-67 degrees F) where resistance to hot petroleum-base lubricating oil is required, but usage is not limited to such applications.
Standard
2014-05-08
This specification covers a chloroprene (CR) rubber sponge in the form of sheet, strip, molded shapes, or other forms, as ordered. These products have been used typically for general applications requiring the use of open-cell, medium sponge rubber pads and seals operating from -40 to +80 degrees C (-40 to +176 degrees F), but usage is not limited to such applications.
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