D. I. Vichuzhanin, V. G. Shevchenko, D. A. Eselevich
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Fracture Locus of a Selective Laser Melted Al–2.3% V Alloy
Abstract—The plastic properties of specimens made from an Al–2.3% V alloy and A85 aluminum produced by selective laser melting have been investigated. Fracture loci for these materials are constructed. The ultimate plasticity of the materials significantly is found to depend on the deformation conditions (type of stress state characterized by Lode–Nadai coefficient μσ). Under tensile and shear testing conditions (–1 ≤ μσ ≤ 0), the ultimate plasticity of the materials is almost the same. In the case of testing by extrusion of the bottom of a thick-walled cup (μσ = +1), the ultimate plasticity of the Al–2.3% V alloy is approximately twice as high as that of the initial aluminum under tensile stress conditions and 30% higher under compressive stress conditions.
期刊介绍：
Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.
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