منابع مشابه
Thermodynamic properties of calcium–magnesium alloys determined by emf measurements
The thermodynamic properties of calcium–magnesium alloys were determined by electromotive force (emf) measurements using a Ca(in Bi)|CaF2|Ca(in Mg) cell over the temperature range 713–1048 K. The activity and partial molar Gibbs free energy of calcium in magnesium were calculated for nine Ca–Mg alloys, calcium mole fractions varying from xCa = 0.01 to 0.80. Thermodynamic properties of magnesium...
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Knowledge of statistical characteristics of mechanical properties is very important for the practical application of structural materials. Unfortunately, the scatter characteristics of magnesium alloys for mechanical performance remain poorly understood until now. In this study, the mechanical reliability of magnesium alloys is systematically estimated using Weibull statistical analysis. Intere...
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The paper is focused on issues of processing of non-ferrous metals in practice, namely on Mg-Al-Zn based on magnesium alloys with graded Al contents. It is well known that forming of these alloys is difficult since this feature is caused by their crystallographic arrangement. Nevertheless, application of appropriate methods of forming, such as e.g. some of SPD processes, makes it possible to ac...
متن کاملDynamic Fracture Properties of Titanium Alloys
Fatigue precracked specimens of three titanium alloys (6Al-4V, ELI, and Timetal 5111) were dynamically loaded in a drop weight tower system while the dynamic fracture toughness was inferred using Coherent Gradient Sensing, crack opening displacement, or strain gage methods. A comparison of the initiation toughness of the three materials as a function of loading rate and specimen thickness is made.
متن کاملLaser Welding of Magnesium Alloys
Aiming at establishing a reliable welding technique for magnesium alloys, the laser weldability of different types of magnesium alloys has been investigated using a high-brightness disc laser. It was found that high quality joints could be fabricated in the case of wrought type alloys when a certain defocusing level was optimized for the employed high-brightness laser beam of the newly develope...
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ژورنال
عنوان ژورنال: JOM
سال: 2014
ISSN: 1047-4838,1543-1851
DOI: 10.1007/s11837-013-0844-4