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Tuesday, November 17, 2020 | History

2 edition of Evaluation of a low-density polyimide foam in a dynamic high-temperature environment found in the catalog.

Evaluation of a low-density polyimide foam in a dynamic high-temperature environment

C. M. Pittman

Evaluation of a low-density polyimide foam in a dynamic high-temperature environment

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  • 13 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Office, for sale by the National Technical Information Service in Washington, Springfield, Va .
Written in English

    Subjects:
  • Foamed materials.,
  • Insulation (Heat),
  • Heat resistant materials.

  • Edition Notes

    StatementCLaud M. Pittman and Ronald D. Brown.
    SeriesNASA technical paper ; 1049, NASA technical paper -- 1049.
    ContributionsBrown, Ronald D., United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.
    The Physical Object
    Pagination16, [6] p. :
    Number of Pages16
    ID Numbers
    Open LibraryOL15225557M

    6 Other Uses High Performance Additive for Powder Coatings Antimicrobial Powder Coatings Radiation Shielding Superabsorbent Polymers Laser Additive Manufacturing of High Performance Materials Laser Metal Deposition Additive Manufacturing Hybrid Processes High Temperature. 2,+ construction related standards from all 13 volumes of Section 4 of the Annual Book of ASTM Standards. Subjects include cement, lime, gypsum, concrete and aggregates, road and paving materials, roofing waterproofing, bituminous materials, concret pipe, masonry, thermal insulation, environmental acoustis, building seals and sealants, fire standards, dimension stone, soil and rock. SLOAN HALL • PULLMAN, WA • (5 09) 6. 8. M. R. Kessler and P. Badrinarayanan, “Cyanate Ester Based Hybrid Composites with Tailored Thermal Expansion” AFOSR Low Density Materials Program Review, January , Arlington, VA. 7. M. R. High-temperature carbide/metal composites exhibit excellent ultra-high temperature and hypersonic properties such as desirable flexural strength at elevated temperatures, high hardness, resistance to wear, creep and corrosion, and low density. Applications for these materials include aerospace, automotive, energy production, and defense.


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Evaluation of a low-density polyimide foam in a dynamic high-temperature environment by C. M. Pittman Download PDF EPUB FB2

Get this from a library. Evaluation of a low-density polyimide foam in a dynamic high-temperature environment. [C M Pittman; Ronald D Brown; United States. National Aeronautics and Space Administration.

Scientific and Technical Information Office.]. HIGH TEMPERATURE POLYIMIDE FOAMS FOR SHUTTLE UPPER SURFACE THERMAL INSULATION By George L. Ball III, James W. Leffingwell, Ival 0. Salyer and Dennis W. Werkmeister December Prepared under Contract No. NAS by MONSANTO RESEARCH CORPORATION Dayton Laboratory Dayton, Ohio For NATIONAL AERONAUTICS AND File Size: 9MB.

The need of high temperature insulation polymers in the aerospace industry has led to the development of high-performance polyimide foam systems for various applications depending on its structure [].The PolyuMAC TM polyimide foam insulation is a material developed in a joint effort between the NASA Langley Research Center and PolyuMAC TechnoCore, Inc.

[].Author: Sugeily Flores-Bonano, Juan Vargas-Martinez, Oscar Marcelo Suárez, Walter Silva-Araya. Chemistry §Polymer with predominantly imide linkages formed during polymerization §High glass transition temperature [ °C] §Good solvent/chemistry stability Key Characteristics §Open cell foam, low weight [5 to 9 kg/m 3] §Temperature stability [cryogenic to °C] §Low off-gassing §Flexible, semi-rigid, compression recovery §Heat/Pressure formable to some degreeFile Size: 2MB.

density core splice material with a density of g/cc and also potting material with a density of g/cc (6). This paper will review the state of the art in polyimide foam materials and will describe experimental work being done to fabricate low density, high shear strength, foamCited by: 9.

The ignition, flaming and smoldering combustion of low-density polyimide foam have been studied using a cone calorimeter. Low-density polyimide foam exhibits a high ignition resistance.

It was quite surprising to find that Tg of high-temperature resistance polyimide foam post-treated at °C was up to above °C, and the char yield at °C was more than 60%.

POLYM. ENG. Measurements of the thermal conductivity of polyimide foams have been performed in the values Fig. 12 (T = 2K) and Fig. 13 (T = K). In the e*(A) and coo(A) have been performed with foam den- case of a low density pure polyimide foam one notes, sity 8 kg m-3 and foils of emissivity s = K.

KellerPorous insulation performance under Cited by: Ceramic foam insulation features its low density, high-strength and excellent thermal shock resistance, playing an important role in high temperature insulating.

Being ceramic fiber free, ceramic foam insulation product is a great substitute to Aluminosilicate, Mullite and Alumina Ceramic Fiber. How to improve the high-temperature dielectric properties of insulation materials is one of the key issues in insulation system design of electrical devices.

This paper studies the temperature-dependent corona resistance of polyimide (PI)/Al 2 O 3 nanocomposite films Cited by: A New Low Thermal Conductivity high temperature vacuum insulation composites with SiC Foam Core Zhaofeng Chen1,a*, Yang Wang1,band ShengJie Yu1,c 1College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, NanjingP.R.

China Abstract. Low-Density Closed-Cell Foam Glass is a kind of porous inorganic non-metallic materials by high temperature’s foaming and molding,which it uses the waste flat glass,glass bottles and electronic glass as the main raw has many good characteristics,such as fire-proof,water-proof,non-toxic,corrosion resistance,moth-proof,non aging,non radiation,insulation,anti magnetic wave,anti.

The hollow microspheres give the syntactic foam its low density, high specific strength, low moisture absorption, etc. The microspheres or microballoons or hollow spheres may be made up of glass, polymer, carbon, ceramic, or metal. The microspheres used in syntactic foams have a burst pressure sufficient to withstand the forces imposed upon.

tremely high porosity, low density, low thermal con-ductivity, and ultra-low dielectric constants [15]. The porosity of an aerogel material can usually reach over 80% (volume ratio).

The trapped air efficiently de-creases the k values of the aerogels to a low level ex-tremely close to Cited by: 9.

mechanical and dielectric properties, the aromatic polyimide ((β-CN)APB/ODPA) polymer is an interesting amorphous piezoelectric polymer suitable for the development of high-temperature piezoelectric and pyroelectric sensors and micro-electro-mechanical system (MEMS) devices [22, 23].

Further, aromatic polyimide shows nitrile groups withCited by: 6. Abstract. Low-density carbon-carbon composite materials made of short fibres and a powdered polymer binder which exhibit significant anisotropy of the physicomechanical and thermophysical properties due to the fabrication technology were by: 2.

Moreover, with only 5% calcium carbonate content, the initial thermal degradation temperature of CAS was increased by 70 °C (from to °C), compared to that of calcium alginate, which met the requirements of high-temperature resistant and nonflammable materials.

Dynamic Mechanical Thermal Analysis (DMTA) Tests: To investigate the change in dynamic mechanical properties of virgin SMP samples and the one degraded by water and another one by diesel fuel as a function of time, DMTA tests (Fig.

4) have been performed on RSA- III, in straincontrolled dynamic temperature ramp mode at a constant frequency of 1. Zeinalov 1, Hartmut F.

Schroeder 2* and H. Bahr 2, 1 Academy of Sciences of Azerbaijan, Institute of Petrochemical Processes (IPCPAcS), Baku, 2 Federal Institute for Materials Research and Testing (BAM), Germany \ucbr\ue\ucbr\ueAchieving More Value From Additives Via New Physical Forms\ucbr\ueCorrado Callierotti 1, Luciano.

Industrial Adhesive Source Book ď ˇ Summer/Fall Phone: URL: m. Able Industrial Products is a distributor of Industrial Supplies, for 3M, Loctite, General Electric.

Description: Silicone is a synthetic elastomer with excellent elongation, creep, tear strength, dielectric strength (at high voltage), thermal conductivity adn fire resistance at extreme makes silicone rubber one of the elastomers of choice in many.

Gasket Type: Sheet / Die-cut; Material: Silicone Rubber; Operating Temperature: 80 to F. For example, the interfacial adhesion of UHMWPE bre can be improved by plasma treatment in pure oxygen. The surface life of bre-reinforced polyimide composites in a high-temperature oxidative environment can be extended by coating a polyimide precursor solution followed by curing at elevated temperature in a nitrogen environment ().

Full text of "Insulation commonality assessment (phase 1), volume 1: Section through " See other formats. Full text of "Personal Protective Equipment For Chemical, Biological, And Radiological Hazards Design, Evaluation, And Selection" See other formats.

Both books supplement each other without repeating the same information – one contains data another theory, mechanisms of action, practical effects and implications of application.\ucbr\ue\ucbr\ueThe information contained in both books is essential in medicine, pharmaceutical science and technology, automotive industry, aerospace.

Standards / Annual Book of ASTM Standards. The 70+ volume Annual Book of ASTM Standards contains ASTM's 12,+ standards and is available in print, CD-ROM and Online formats (learn more about format options). The volumes can be purchased individually, as a section (at a 25% discount) or as the complete 70+ volume set (at a 50% discount).

ABSTRACTS. The following is a list of the abstracts for papers which will be presented in THE FIFTH INTERNATIONAL SYMPOSIUM ON POLYIMIDES AND OTHER HIGH TEMPERATURE POLYMERS: SYNTHESIS, CHARACTERIZATION AND listing is alphabetical by presenting author.

This list is updated continually to add abstracts as they become available and make. Title: Asian Textile Conference (ATC) Book of Abstracts Editor: Christine Rimmer Abstracts and manuscripts have been submitted in accordance with the Terms and Conditions stated on the ATC D Standard Test Method for Plastics: Dynamic Mechanical Properties: In Torsion.

D Standard Test Method for Molecular Weight Averages and Molecular Weight Distribution of Polystyrene by High Performance Size-Exclusion Chromatography. D Standard Specification for Glass-Fiber Reinforced Polyester Wall and Ceiling Panels.

ASTM-D - Standard Test Method for Evaluation of Scratch Resistance of Polymeric Coatings and Plastics Using an Instrumented Scratch Machine ASTM-D - Standard Test Method for Determination of Reactivity of Unsaturated Polyesters and Vinyl Esters at °F (°C).

Saiz‐Arroyo, J.A. de Saja and M.A. Rodríguez‐Pérez, Production and Characterization of crosslinked low‐density polyethylene foams using waste of foams with the same composition, Polymer Engineering & Science, 52, 4, (), ().Cited by: An Evaluation of Elongational Viscosity of Polyethylenes Obtained from a Semi-Hyperbolic Die (English) Baird, D.

/ Huang, J. / Society of Plastics Engineers New search for: Baird, D. Material Information. LDPE is a thermoplastic that belongs to the polyolefin group of materials.

LDPE is an extruded material that is characterized by good flexibility and resilience, good corrosion resistance and low moisture permeability, low heat resistance, low-temperature impact. spec review - inactive notice for ps - hardening of sheet and plate from the -t31, -t, -t37 condition to the -t81, -t, -t87 condition.

This volume focuses on the practical application of processes for manufacturing plastic products. It includes information on design for manufacturability (DFM), material selection, process selection, dies, molds, and tooling, extrusion, injection molding, blow molding, thermoforming, lamination, rotational molding, casting, foam processing, compression and transfer molding, fiber reinforced.

Based on these considerations, high temperature resistant polymeric sheet such as Polyimide Meldin sheet, is joined with Titanium sheet by employing ultra high temperature resistant Polyimide adhesive. In order to increase surface energy of Polyimide surface, atmospheric pressure plasma treatment is used to modify the Polyimide surface.

A/AM Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service. A Standard Specification for Steel Bar, Carbon and Alloy, Cold-Finished C Standard Guide for Determination of the Thermal Resistance of Low-Density Blanket-Type Mineral Fiber Insulation C Standard Specification for Polyimide Flexible.

/ - method, system and apparatus for dynamic book registry of books and for modeling real-time demand for books within academic sectors 1 Jeffrey K. Francer. Key words: materials technology, linear low-density polyethylene, copolymers, low-temperature crystallization peak, differential scanning calorimetry.

INTRODUCTION * Polyethylene (PE) is available with a wide array of engineering properties to provide toughness, ease of processing, shrinkage rates, chemical abrasion, impact resistance, etc.

Design (British industrial design magazine, online issues ) (partial serial archives); Design, (Pelham, N.Y., Bridgman publishers, [c]), by Charles H.

Howard (page images at HathiTrust; US access only) Design. (Washington, DC: National Endowment for the Arts, ), by National Endowment for the Arts (page images at HathiTrust) Design, (New York, W.

Comstock, ), by. To develop new DCPD based resins for low cost composites, we have invented new synthesis methods that will increase DCPD application in thermoset resin production. In this report the synthesis process, properties and application of new DCPD based unsaturated polyester resins and DCPD based acrylic resin will be presented.This dictionary of textile would be handy for the students in textile engineering, merchandising, fashion designing, and people working in the textile industry.

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