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Saturday, August 8, 2020 | History

2 edition of Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum found in the catalog.

Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum

Kazuhisa Miyoshi

Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum

by Kazuhisa Miyoshi

  • 66 Want to read
  • 12 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Office, For sale by the National Technical Information Service] in Washington, D.C, [Springfield, Va .
Written in English

    Subjects:
  • Iron alloys.,
  • Friction.,
  • Adhesion.,
  • Silicon carbide.

  • Edition Notes

    StatementKazuhisa Miyoshi and Donald H. Buckley.
    SeriesNASA technical paper -- 1604.
    ContributionsBuckley, Donald H., United States. National Aeronautics and Space Administration. Scientific and Technical Information Office., Lewis Research Center.
    The Physical Object
    Pagination10 p. :
    Number of Pages10
    ID Numbers
    Open LibraryOL17652576M

    The greater the hardness of the metal surface, the lower was the coefficient of friction. This is consistent with the present authors' earlier work conducted with various elemental metals and iron-base binary alloys in sliding against silicon carbide pins lubricated with mineral oil [16].Cited by: 8. Mechanical and tribological properties of silicon carbide coating on Inconel alloy from liquid pre-ceramic precursor Inconel alloy and silicon carbide deposited films at (b) of friction is basically the ratio of the friction force to the force acting perpendicular to the two surfaces in contact. The coefficient of friction values Cited by:

    Adhesion Energy, Surface Traction and Surface Tension in Fe-Mg Binary Alloys GboyegaA. Adebayoa,b and Bede C. Anusionwua,c a International Centre for Theoretical Physics, Strada Costi P.O. Box , I Trieste, Italy b Department of Physics, University of Agriculture, PMB , Abeokuta, Nigeria c Department of Physics, Federal University of Technology, Owerri, Nigeria. This alloy conforms to BS, and LM25 is mainly used when good mechanical properties are required. It is, in practice, a general-purpose high strength casting alloy. In its heat-treated form, its tensile strength can be increased from around Nmm2 to up to Nmm2. Aluminum and silicon alloys .

      Contact reactions of titanium carbide with iron-base alloys. “Investigation of the contact reactions of refractory carbides and some binary systems with liquid metals,” Author's Abstract of Candidate's Dissertation, Kiev (). Y.P., Dzykovich, I.Y. et al. Contact reactions of titanium carbide with iron-base alloys. Powder Metall Cited by: 2. Although there are newer and more comprehensive books on metallic alloys, Hansen stands as a classic. In addition, it's size and ease of use make it a favorite reference for a first pass for information on binary alloys of the elements. I was very happy to be able to obtain a copy for my personal library. Kudos to Amazon.5/5(4).


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Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum by Kazuhisa Miyoshi Download PDF EPUB FB2

Adhesive properties of alloys in contact with silicon carbide. This investigation was conducted to determine the effect of a wider range of alloying elements (such as Ti, Cr, Mn, Ni, Rh, and W) on the fric- tion behavior of iron-base, binary, solid-solution alloys in sliding contact with a singlecrystal silicon carbide (OOO1) surface.

The single-pass, sliding. Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.: For sale by the National Technical Information.

In contrast, the adhesion and static friction of alloys in contact with a single-crystal silicon carbide [OOOl] surface (in vacuum, which adhesion effects on friction) generally increase with an increase in solute concentration.

They also increase as the solute-to- iron atomic-radius ratio of alloys increases or. Results indicate atomic size misfit and concentration of alloying elements play a dominant role in controlling adhesion, friction, and wear properties of iron-base binary alloys.

The controlling mechanism of the alloy properties is as an intrinsic effect involving the resistance to shear fracture of cohesive bonding in the by: 6. Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum / By Kazuhisa.

Miyoshi, Donald H. Buckley, Lewis Research Center. and United States. Adhesion, friction, and wear of binary alloys in contact with single-crystal silicon carbide. By K. Miyoshi and D. Buckley. Abstract. Sliding friction experiments, conducted with various iron base alloys (alloying elements are Ti, Cr, Mn, Ni, Rh and W) in contact with a single crystal silicon carbide // surface in vacuum are discussed.

Author: K. Miyoshi and D. Buckley. Sliding friction experiments were conducted with various iron-base alloys (alloying elements were Ti, Cr, Ni, Rh, and W) in contact with a single-crystal silicon carbide () surface in vacuum. Results indicate atomic size misfit and concentration of alloying elements play a dominant role in controlling adhesion, friction, and wear properties of iron-base binary : D.

Buckley and K. Miyoshi. in coefficients of friction for iron-chromium alloys when sliding on silicon carbide. The coefficient of friction for the alloys are higher than those for pure iron and pure chromi- um. controlling the abrasive friction and wear behavior of the alloys.

The results of the investigation indicate that the coefficients of friction for the alloysCited by: 6. Mn, Ni, Rh, and W) on the abrasive-wear and -friction behavior of a number iron- base binary alloys. The sliding friction experiments were conducted with a millimeter-radius spherical rider of single-crystal silicon carbide on disks of the same material in mineral oil.

The iron-base binary alloy pins and the disks of silicon carbide were polished with 3-micrometer-diameter diamond powder and then l-micrometer- diameter aluminum oxide (~1~0~) powder.

Both pin and disk surfaces were rinsed with proof ethyl alcohol before installation in the vacuum cham. Sessile drop contact angles between liquid aluminum alloys and solid beryllium, boron carbide, and graphite were measured to °C under vacuum and in helium.

Little wetting occurred between most of the combinations, but at 20% magnesium the contact angle on beryllium decreased to 68°.

Friction and wear of iron-base binary alloys in sliding contact with silicon carbide in vacuum. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.: For sale by the National Technical Information.

The good correlation for manganese, nickel and chromium in Fig. 6 is due to the fact that the percentage of d bond character for these metals is almost the same.

Thus, the atomic size of the solute in the alloy is an important primary factor in controlling the adhesion and friction of iron- base binary alloys in contact with silicon by: 8. Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum / (Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.

Where two hard surfaces are in contact (e.g., silicon carbide in contact with silicon carbide or a hard metal with a hard metal) such as depicted in figure (b), the friction force again is a function of area in shear times the shear strength.

Sliding friction experiments were conducted in vacuum with a {} SiC surface in contact with iron-based binary alloys. Multiangular and spherical wear particles of silicon carbide were observed as a result of multipass by: 5. metals (wetting, adhesion, contact interaction) are im-portant in composite material technology, joining of SiC materials and semiconductor processing.

Silicon carbide refractories are used in contact with metal alloys [1]. In the literature there are data about SiC-wettability by pure liquid metals [2–4] and some binary alloys [5], including.

The adhesion and friction properties of metals in contact with diamond, boron nitride, silicon carbide, manganese-zinc ferrite, and the metals themselves in vacuum was investigated.

Crystal transformation and atomic ordering on wear and sliding friction in two cobalt alloys in sliding contact with silicon carbide in vacuum. with various iron base binary alloys in. Sliding friction experiments were also conducted with silicon carbide in contact with iron and iron-based binary alloys at room temperature and C.

Fracture pits with a spherical particle and. Soft alloys such as lead- or tin-based babbitts and aluminum-based alloys work well as bearing materials in such contact conditions.

Lead-based babbitts contain a high percentage (>80 wt%) of lead with 1 to 10 wt% tin and 10 to 15 wt% antimony, and have a hardness value of about GPa.The friction tests were carried out under the conditions of various sliding velocities ( to m/s) and various combinations of oil-retaining porous silicon carbide and dense silicon carbide.Lewis Research Center: Adhesion and friction of iron-base binary alloys in contact with silicon carbide in vacuum / (Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information.