Last edited by Kalar
Thursday, July 30, 2020 | History

5 edition of Defect Properties and Related Phenomena in Intermetallic Alloys found in the catalog.

Defect Properties and Related Phenomena in Intermetallic Alloys

Symposium Held December 3-5, 2002, Boston, Massachusetts, U.S.A (Materials Research Society Symposia Proceedings, V. 753.)

by Defect Properties and Related Phenomena in intermetalli Symposium Bb

  • 88 Want to read
  • 38 Currently reading

Published by Materials Research Society .
Written in English

    Subjects:
  • Science/Mathematics,
  • Intermetallic compounds,
  • Alloys,
  • Technology & Industrial Arts,
  • Material Science,
  • Congresses,
  • Defects

  • Edition Notes

    ContributionsMaterials Research Society (Corporate Author)
    The Physical Object
    FormatHardcover
    Number of Pages553
    ID Numbers
    Open LibraryOL8609120M
    ISBN 101558996907
    ISBN 109781558996908

      Great question! A discussion of intermetallics brings together some amazing basic principles of chemistry, physical metallurgy, and physics.. gotta love this stuff as it adds utility to our education. If an intermetallic compound is to exist, it. To derive the higher mechanical properties of diffusion-bonded joints at a low bonding temperature, ultrasonic impact treatment (UIT) was used to increase the dislocations and refine the microstructure of faying surfaces prior to diffusion bonding. The results show that a deformation layer with a thickness of 30 μm formed near the impacted TC11 alloy surface, with many dislocation tangles.

      The intermetallic precipitates so formed lead to an increase in the elastic moduli of the alloy and consequently increases the ultrasonic velocities in Superalloys [49 and references therein]. However, the ageing of the alloy if carried out for shorter durations at any temperature leads to decrease in the ultrasonic velocity due to the. Ni-Mo-ZrO2 composite coatings were produced by pulse electrodeposition technique from alkaline electrolytes containing dispersed ZrO2 nanopowder. The structure, microhardness, corrosion properties and tribological properties of Ni-Mo-ZrO2 composites with different content of molybdenum and ZrO2 have also been examined. Structural characterization was performed using X-ray diffraction (XRD) .

    Clustering of point defects under electron irradiation in dilute iron alloys and an iron manganese nickel alloy Book Hardouin-Duparc, A ; Barbu, A In low copper steels for nuclear reactor pressure vessel, point defect clustering seems to play an important role in hardening. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.


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Defect Properties and Related Phenomena in Intermetallic Alloys by Defect Properties and Related Phenomena in intermetalli Symposium Bb Download PDF EPUB FB2

Get this from a library. Defect properties and related phenomena in intermetallic alloys: symposium held December, Boston, Massachusetts, U.S.A. [Easo P George; Materials Research Society.; Materials Research Society. Fall Meeting;].

The thermomechanical behavior of high temperature intermetallic alloys is related to point defects and their concentration. Positron annihilation is a sensitive tool to obtain various information about defect properties. researcher's point of view this system is of rising interest because order–order and order–disorder phenomena Cited by:   Fe 2 CrNi was chosen as the first alloy composition for the investigation of point defect properties since it is a new ordered ternary intermetallic compound predicted recently by a first-principles study of the Fe-Cr-Ni has only four non-equivalent atomic positions.

Therefore, the values of formation energies of vacancies and dumbbells, as well as chemical potentials, are easy to Cited by: 3. Different anelastic phenomena are discussed in this book with respect to iron-based binary and ternary alloys and intermetallic compounds of Fe3Me type, where Me are α-stabilizing elements Al, Ga, or Ge.

We present a detailed investigation of the role of the disorder degree on magnetic properties for melt spun and die cast intermetallic Nd-Fe-Al-based alloys. For melt spun alloys, the roll speed was varied between 30 m/s and 5 m/s, which resulted in a clear dependence of coercivity on increasing roll speed, showing a steep decrease (from kA.

Some ordered intermetallic alloys exhibit a positive temperature dependence of the flow-stress (the so-called flow-stress anomaly) up to a critical temperature, which is called the stress peak temperature, T p,τ (see a review by Caillard ).Among this class of alloys, Ni 3 Al with the L1 2 crystal structure, has been the most widely studied.

One reason is that the flow-stress anomaly is. The analysis considering phenomena and processes related to formation of intermetallic phases and ceramic reinforcements for composite has been supported by the examples of developed composites.

Among them, there are in situ reinforced intermetallic matrix composites, metal-intermetallic laminated composites, and interpenetrating phase composites.

With contributions from 72 authors from 14 different countries, this book introduces a broad range of new topics including: new intermetallic families, new means of assessment of bonding and stability, new properties and phenomena, new applications, new practical processes and new research techniques.

The microstructures and mechanical properties of ternary (Ni 75 Al 9 V 16) and multicomponent (Ni 69 Al 9 V Nb 3 Ti Co 4 Cr 4) dual two-phase intermetallic alloys charged with C were investigated by scanning electron microscope, electron probe microscopic analyzer, x-ray diffraction, Vickers hardness, and tensile solubility limits of C in the dual two-phase microstructures.

Fe–Cr–Al alloys have the potential to form a crucial class of enhanced accident tolerant fuel cladding materials in light water reactor due to their e.

Point defects and mechanical behavior of titanium alloys and intermetallic compounds Article (PDF Available) in Journal of Physics Conference Series 29(1) February with Reads. This study focuses on primary impurities, called intermetallics, in the microstructure of Al-Si-X alloys, their formation, effects and treatments to eliminate or ameliorate their deleterious effects.

Intermetallic compounds are usually formed when alloying elements, such as Fe, Cu, Mn, Mg and Sr. are added to Al-Si based alloys. These elements are depicted by X in the alloys formation expression. Double oxide films (bifilms) are significant defects in the casting of light alloys, and have been shown to decrease tensile and fatigue properties, and also increase their scatter, making casting.

"Defect Properties and Related Phenomena in Intermetallic Alloys." MRS Publications. "High Temperature Intermetallic Compounds VIII." MRS Publications. "Defect-Interface Interactions." MRS Publications.

This paper presents basic physical and mechanical properties of the high melting point silicides Ti5Si3 and TiSi2 as well as of hypoeutectic Ti-Si-(Al) alloys possessing superior high temperature. In this chapter, results of our recent investigations on Al%Fe (at.%), Al%Fe and Al%Fe alloys close to Al3Fe, Al5Fe2 and Al2Fe intermetallic phases have been discussed.

The effect of process parameters on structural aspects and mechanical behaviour of Al-Fe intermetallics has been studied. The high melting intermetallics that are difficult to prepare by conventional processing.

Some example includes shape memory alloys, permanent magnets, as well as caloric and hydrogen storage materials. This Special Issue aims to cover the latest research and development related to the magnetism, transport, and thermodynamic properties of intermetallic compounds.

The Duplex alloy is more sensitive to precipitation than steel is due to the presence of molybdenum content, this element not only increases the rate of intermetallic precipitation but.

Turbine blades or dental amalgams are still examples of the use of intermetallic alloys. The properties of intermetallics are often obtained at a cost in terms of ease of manufacturing.

The present special issue addresses all the possible aspects of either fabrication, processing, characterization, and application of. The following anelastic phenomena are found in studied alloys and discussed in thi s chapter: the Snoek-type (caused by interstitial atom jumps in Fe-Me ferrite) and the Zener (caused by.

Thermomechanical behavior of intermetallic alloys at a high temperature is connected with the existing state of structural ordering and with the complex defect structure, including the characteristic phenomenon of supersaturation with vacancies [1, 2].

Both the structure ordering and the presence of multiple defect types affect the properties.Defect Analysis in Intermetallic Alloys with Positron Annihilation p Analysis of Momentum Distribution of Bloch-Positronium in Solids p Positron Diffusion Trapping Model for Spherical Domains with a Size Distribution p Study of Irradiation-Induced Vacancy Defects and Shallow Positron Traps in Silicon.

Of these properties, those of the intermetallic compounds are the least well known. This paper describes materials properties determinations performed as part of a substantial program that has been underway for two years to prepare, purify, fabricate in bulk, and characterize those intermetallics that are most commonly found in solder joints.