On the room temperature stability of metastable phases formed at 200 °C in Al—Zn alloys

1979 ◽  
Vol 55 (2) ◽  
pp. 673-679 ◽  
Author(s):  
P. Bartuška ◽  
R. Kroggel ◽  
H. Löffler ◽  
M. Simerská ◽  
V. Syneček ◽  
...  
Keyword(s):  
Room Temperature ◽  
Temperature Stability ◽  
Metastable Phases ◽  
Zn Alloys

Search for High Damping Metallic Glasses

2006 ◽  
Vol 319 ◽  
pp. 151-156 ◽  
Author(s):  
Y. Hiki ◽  
M. Tanahashi ◽  
Shin Takeuchi
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Internal Friction ◽  
Metallic Glass ◽  
Room Temperature ◽  
Temperature Stability ◽  
Temperature Peak ◽  
High Temperature Side ◽  
Side Slope ◽  
Temperature Side

In a hydrogen-doped metallic glass, there appear low-temperature and high-temperature internal friction peaks respectively associated with a point-defect relaxation and the crystallization. The high-temperature-side slope of low-temperature peak and also the low-temperature-side slope of high-temperature peak enhance the background internal friction near the room temperature. A hydrogen-doped Mg-base metallic glass was proposed as a high-damping material to be used near and somewhat above the room temperature. Stability of the high damping was also checked.

scholarly journals Influence of strain rate and heat treatments on tensile and creep properties of Zn-0.15Cu-0.07Ti alloys

DYNA ◽  
2016 ◽  
Vol 83 (195) ◽  
pp. 77-83 ◽  
Author(s):  
María José Quintana Hernández ◽  
José Ovidio García ◽  
Roberto González Ojeda ◽  
José Ignacio Verdeja
Keyword(s):  
Strain Rate ◽  
Room Temperature ◽  
Rolling Direction ◽  
Tensile Tests ◽  
Strain Rates ◽  
Creep Tests ◽  
Design Problems ◽  
Creep Properties ◽  
Heat Treated ◽  
Zn Alloys

The use of Cu and Ti in Zn alloys improves mechanical properties as solid solution and dispersoid particles (grain refiners) may harden the material and reduce creep deformation. This is one of the main design problems for parts made with Zn alloys, even at room temperature. In this work the mechanical behavior of a Zn-Cu-Ti low alloy is presented using tensile tests at different strain rates, as well as creep tests at different loads to obtain the value of the strain rate coefficient m in samples parallel and perpendicular to the rolling direction of the Zn strip. The microstructure of the alloy in its raw state, as well as heat treated at 250°C, is also analyzed, as the banded structure produced by rolling influences the strengthening mechanisms that can be achieved through the treatment parameters.

Room-temperature stability of allergenic extracts

1991 ◽  
Vol 48 (4) ◽  
pp. 683-684
Author(s):  
James A. Sterchele ◽  
Raymond C. Stierer
Keyword(s):  
Room Temperature ◽  
Temperature Stability ◽  
Allergenic Extracts

Synthesis, Structure, and Greatly Improved Reversible O2 Binding in a Structurally Modulatedμ-η2:η2-Peroxodicopper(II) Complex with Room-Temperature Stability

2004 ◽  
Vol 116 (3) ◽  
pp. 338-341 ◽  
Author(s):  
Masahito Kodera ◽  
Yuuji Kajita ◽  
Yoshimitsu Tachi ◽  
Kou Katayama ◽  
Koji Kano ◽  
...  
Keyword(s):  
Room Temperature ◽  
Temperature Stability ◽  
O2 Binding

Optical Properties of Copper-Rich Cu-Ni-Zn Alloys with 20 at.% Zinc and up to 25 at.% Nickel at Room Temperature

1970 ◽  
Vol 1 (4) ◽  
pp. 1411-1414 ◽  
Author(s):  
Karl Mamola ◽  
Charles E. McCain ◽  
Klaus Schröder
Keyword(s):  
Optical Properties ◽  
Room Temperature ◽  
Zn Alloys
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