Elevated-temperature tensile properties of alloyed tungsten fiber composites
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Elevated-temperature tensile properties of alloyed tungsten fiber composites by Donald W. Petrasek

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Published by National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va. in [Washington] .
Written in English

Subjects:

  • Tungsten.,
  • Metals -- Effect of high temperatures on.

Book details:

Edition Notes

Bibliography: p. 29-30.

Statementby Donald W. Petrasek.
SeriesNASA technical note, NASA TN D-3073, NASA technical note ;, D-3073.
Classifications
LC ClassificationsTL521 .A3525 no. 3073
The Physical Object
Pagination30 p.
Number of Pages30
ID Numbers
Open LibraryOL5967012M
LC Control Number65065713

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The minimum creep rate of the composite containing 20 vol% continuous tungsten fiber was estimated at about 10⁻⁴∼10⁻⁵%/hr under a load of kg/mm² at °C, and the minimum creep. 74% Tungsten 26% Silver 90 B 47 Used for arcing contacts and plates, arc runners, and current carrying members Tungsten Composites Typical Properties* Phone: • Fax: • Massachusetts Ave. • Indianapolis, Indiana • * Properties may vary according to size and shape of part.   1. Introduction. Tungsten and its alloys are of particular interest for high-strength and high-temperature applications (e.g., rocket motor nozzles, aerospace rudders, turbines, combustion chambers, and fusion reactors,,) because of their high melting points (e.g., °C for W), high moduli of elasticity, good thermal shock resistances, and good strengths at high by: A composite of 0. 42 V//f W-2% ThO//2 filament reinforced cobalt base alloy has been developed. It can be fabricated by conventional investment casting process, has a degree C ( degree F.

  The CNT/Al composites exhibited a uniform dispersion of the CNTs and a considerably improved room-temperature tensile strength. This makes it possible to evaluate the CTE and elevated-temperature mechanical properties of the CNT/Al composites. Longitudinal section through a fractured copper/tungsten composite of Ifd = 20, Vf = O-. H'sU-d at ^'. Tensile properties of fibre-reinforced metals: Copper/tungsten and copper/molybdenum (v) Discontinuous fibres: Effect of temperature A second series of copper/tungsten composites (designated B in Tables 8 and 3) was tested at and Fiber-reinforced nickel, cobalt, and their alloys are shown to have improved tensile properties, particularly at °F. Hot-pressed composites produced tensile strength values up to two times greater at room temperature and up to 17 times greater than the unreinforced matrix at °F.   Research highlights This paper describes the transition of tensile fracture mode from transgranular to intergranular at elevated temperature in case of tungsten heavy alloys This paper, first time, describes the fact that the richer is the W content in the matrix, the higher the tensile properties of tungsten heavy alloys. Also this paper explains the reason for the wavy–tensile–stress.

DOI: /STPS Corpus ID: ANALYSIS OF STRESS-RUPTURE AND CREEP PROPERTIES OF TUNGSTEN FIBER REINFORCED COPPER COMPOSITES. @inproceedings{McdanelsANALYSISOS, title={ANALYSIS OF STRESS-RUPTURE AND CREEP PROPERTIES OF TUNGSTEN FIBER REINFORCED COPPER COMPOSITES.}, author={D. L. . Fatigue properties of tungsten fiber reinforced Ti-6Al-4V (W/Ti-6Al-4V) alloy have been investigated. Materials used in this study were three kinds of W/Ti-6Al-4V produced by HIP (Hot Isostatic. dom fiber composites (Giurgiutiu, V and Reifsnider, KL), April, Superalloys Elevated temperature fatigue behavior of tungsten fiber reinforced superalloy com- posites (Yuen, JL and Petrasek, DW), Oct., T Tensile strength Fracture behavior of a fiber-reinforced titanium matrix composite with open and.   In this paper, the tensile properties of fiber-metal laminates (FMLs) made of a low-ductility aluminum alloy and aramid fabric/polypropylene matrix composite are evaluated. The tensile testing results show that the FMLs exhibit a more ductile behavior than that of their constituents, indicated by the increased strain to failure. The excellent adhesion between FML constituents, as confirmed by.