The Zener Relaxation in Ternary Cu-Ni-Zn Alloys

Rooy, A. de; Bronsveld, P.M.; Hosson, J.T.M. de

doi:10.1016/b978-0-08-024771-7.50030-2

Cited by 3 publications

(2 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…On the other hand, the ordering phenomenon within the a-CuNiZn is rather complicated due to the strongly attractive interaction of the nearest Ni-Zn and Cu-Zn pairs and the weakly repulsive one of the Cu-Ni. Though some measurements [11] have indicated that a ternary ordering around Cu 2 NiZn exists in this system, the relative transformations are still not very clear, and hence the ordering in the fcc region which occurs at low temperatures will not be discussed in this work. Table 1 lists the crystal phases included in the Cu-Ni-Zn system with information on their structures.…”

Section: Introductionmentioning

confidence: 89%

Thermodynamic calculation of phase equilibria in the Cu–Ni–Zn system

Jiang

Wang

Liu

et al. 2005

Journal of Physics and Chemistry of Solids

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 89%

Thermodynamic calculation of phase equilibria in the Cu–Ni–Zn system

Jiang

Wang

Liu

et al. 2005

Journal of Physics and Chemistry of Solids

View full text Add to dashboard Cite

“…Two isothermal sections of the ternary Cu-Ni-Zn system, one at 775 °C [17] and one at 427 °C [18], are presented in Figure 3. As shown in 775 °C isothermal section in Figure 3 a , α -FCC exists over the entire Cu-Ni composition range and up to a mole fraction of Zn of about 35 % at temperatures above 500 °C.…”

Section: Model Developmentmentioning

confidence: 99%

Systems Design Approach to Low-Cost Coinage Materials

Lass

Stoudt

Campbell

2018

Integr Mater Manuf Innov

View full text Add to dashboard Cite

A systems approach within an Integrated Computational Materials Engineering framework was used to design three new low-cost seamless replacement coinage alloys to reduce the raw material of the current US coinage alloys. Maintaining compatibility with current coinage materials required matching the currently used alloy properties of yield strength, work-hardening behavior, electrical conductivity, color, corrosion resistance and wear resistance. In addition, the design alloys were required to use current production processes. CALPHAD-based models for electrical conductivity and color were developed to integrate into the system design. Three prototype alloys were designed, produced and characterized. The design process highlighted the trade-off between minimizing the raw material costs and achieving the desired color properties. Characterization of the three prototype alloys showed good agreement with the design goals.

show abstract

Elastic properties, damping capacity and shape memory alloys

1992

Smithells Metals Reference Book

View full text Add to dashboard Cite

The elastic properties of a metal reflect the response of the interatomic forces between the atoms concerned to an applied stress. Since the bonding forces vary with crystallographic orientation the elastic properties of metal single crystals may be highly anisotropic. However, polycrystalline metals and alloys with a randomly oriented grain structure behave isotropically. Table 15.1 lists elastic constants for polycrystalline metals and alloys in an isotropic condition. Any preferred orientation or texture resulting from rolling, drawing or extrusion, for example, will result in departures from the listed values to a degree that depends upon the elastic anisotropy of the individual crystals (which may be deduced from the single crystal elastic constants of Tables 15.2 to 15.6 that follow) and the nature and extent of the preferred orientation.Since the elastic properties are determined by the aggregate response of the interatomic forces between all the atoms in the metal, the presence of small quantities of solute atoms in dilute alloys or their rearrangement by heat treatment will have relatively little effect on the absolute values of their elastic constants. Consequently, the elastic constants of all the plain carbon and low alloy steels will be approximately the same unless some preferred orientation is present. Similarly with Cu-, Al-and Ni-base dilute alloys, etc. In the case of concentrated alloys there may be larger variations in elastic moduli, especially where there is a drastic change in the relative proportions of different phases in a multiphase alloy. In the case of ideal solid solutions the elastic moduli vary linearly with atom fraction. The elastic moduli of non-ideal solid solutions may show positive or negative deviations from linearity. Ordering produces an increase in elastic moduli.Increase in temperature causes a gradual decrease in elastic moduli. The decrease is fairly linear over wider ranges of temperature but sharply increases in magnitude as the melting point is approached. Discontinuities are observed at structural transformations.Ferromagnetic materials having a high degree of domain mobility may exhibit considerably higher elastic moduli below the Curie point in the presence of a high magnetic field. The lower elastic moduli in the absence of a magnetic field are due to magnetostrictive dimensional changes caused by stress-induced domain movement. 15-1 15-2Elastic properties, damping capacity and shape memory alloys TaNe 15.

show abstract

The Zener Relaxation in Ternary Cu-Ni-Zn Alloys

Cited by 3 publications

References 6 publications

Thermodynamic calculation of phase equilibria in the Cu–Ni–Zn system

Thermodynamic calculation of phase equilibria in the Cu–Ni–Zn system

Systems Design Approach to Low-Cost Coinage Materials

Elastic properties, damping capacity and shape memory alloys

Contact Info

Product

Resources

About