Перегляд за темою "Физика прочности и пластичности"

Результати 1-20 з 149

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Concept of Smart Electrohydraulic Press for Impulse Sheet Forming

Knyazyev, M.K.; Beerwald, Ch. (Металлофизика и новейшие технологии, 2016)

Electrohydraulic impulse sheet forming (EHF) method proved its high efficiency at pilot, small-batch, and middle-scale production conditions. As the latest achievement, multielectrode discharge blocks provide effective ...
Deformation-Induced Interfacial Interaction in Elastically-Plastically Deformed Single Crystals of CdxHg₁₋xTe

Koman, B.P. (Металлофизика и новейшие технологии, 2017)

In this paper, features of deformation-induced interfacial interaction in uniaxial loaded crystals and its contribution to the formation of a stressedly plastic state are analysed.
Effect of Friction Time on Microstructure and Mechanical Properties of Friction Welded AISI 304 Stainless Steel to AISI 1060 Steel

Ates, H.; Kaya, N. (Металлофизика и новейшие технологии, 2013)

The influence of friction time on the hardness, tensile properties, and microstructure of the welded samples is investigated. With increasing friction time, the hardness and tensile strength values increase too. The hardness ...
Effect of Liquid Salt Bath Nitrocarburizing on Mechanical Properties of Low-Alloy Sintered Steels

Serrai, S.; Mechachti, S.; Benchiheub, O.; Boudebane, S.; Fellah, M.; Touhami, M.Z. (Металлофизика и новейшие технологии, 2018)

The purpose of this study is to produce Fe–2Cu–2Ni–0.7Mo–XC steels by means of the powder metallurgy at different sintering temperatures. The mechanical properties of sintered steels have recently reached a level equivalent ...
Effect of Nano-TiO₂ Particles on Wear and Corrosion Behaviour of AA6063 Surface Composite Fabricated by Friction Stir Processing

Muthukrishnan, D.; Balaji, A.N.; Raghav, G.R. (Металлофизика и новейшие технологии, 2018)

In this investigation, the effect of nano-TiO₂ particles on wear and corrosion behaviour of AA6063 surface nanocomposites produced viavia friction stir processing (FSP) was studied. Microstructure analysis of fabricated ...
Effect of Rotation Speed Parameter on Mechanical Properties of Similar AISI 1040 Parts Joined by Friction Welding

Balalan, Z.; Ekinci, O. (Металлофизика и новейшие технологии, 2018)

Friction welding is one of the important joining methods widely used, especially for welding cylindrical parts, in many industries. In this study, friction welding of similar material steel AISI 1040 cylindrical parts ...
Evolution of Phase Composition and Microstructure upon Synthesis of Zr—Sn Alloy from Zirconium Hydride and Tin Powders

Savvakin, D.G.; Oryshych, D.V. (Металлофизика и новейшие технологии, 2015)

Microstructure and density evolution as well as thermal effects are investigated upon synthesis of Zr—1.5% Sn alloy from powder blends of zirconium-hydride and tin particles. Melting of tin particles at the initial stage ...
Fabrication of Aluminium AA7075 Reinforced by Zinc Metal Matrix Composites and Their Wear Behaviour Analysis

Dinesh, M.; Ravindran, R. (Металлофизика и новейшие технологии, 2017)

In this study, we report effects of zinc on casted aluminium 7075 by using of stir casted method. The volume fraction of composites is prepared by density method. Stir casted composites are fabricated in different ...
High Frequency Vibrations Impact on Mechanical Properties of Nanocrystalline Titanium

Bakai, S.А.; Smolianets, R.V.; Kovtun, K.V.; Moskalenko, V.А.; Bakai, A.S. (Металлофизика и новейшие технологии, 2016)

Mechanical properties of nanocrystalline titanium are studied under uniform confined compression with ultrasound oscillations of 20 kHz to clarify the way of high-frequency vibrations’ effect on mechanical properties of ...
Influence of Alternating Magnetic Field on Physical and Mechanical Properties of Crystals

Karas, V.I.; Karasyova, E.V.; Mats, A.V.; Sokolenko, V.I.; Vlasenko, A.M.; Zakharov, V.E. (Металлофизика и новейшие технологии, 2016)

The results of the investigation of creep characteristics and activation parameters of polycrystalline nickel (of 99.996% purity) plastic flow at the temperature of 77 K are presented. The influence of nonstationary magnetic ...
Influence of Phase Composition and Microstructure on Mechanical Behaviour of the Metastable Ti—3Al—4.5Fe—7.2Cr and VT22 Titanium β-Alloys under Tension with Different Rates

Markovsky, P.E.; Bondarchuk, V.I.; Shepotinnyk, O.V.; Gavrysh, I.M. (Металлофизика и новейшие технологии, 2016)

Taking two metastable β-titanium alloys VT22 (Ti—5 (% wt.) Al—5V—5Mo— 1Fe—1Cr) and Ti—3Al—4.5Fe—7.2Cr as program materials, the influence of β-grain size, phase composition, and strain rate (in the range of 3.20∙10⁻⁵ up ...
Investigation and Characterization of Residual Stress on Prestressed Steel I-Beams Manufactured by Welding

Özer, A.; Özçatalbaş, Yu. (Металлофизика и новейшие технологии, 2015)

The purpose of this study is to determine type and magnitude of residual stresses occurring on steel I-beams, which are manufactured by using prestressing with welding method. In order to achieve this purpose, 50, 100, ...
Investigation of Changes in Mechanical Properties and Microstructures of Mild Steel Joint by Oxy-Hydrogen Welding

Ates, H.; Cakır, M.E.; Kurt, A.; Uygur, I.; Turker, M. (Металлофизика и новейшие технологии, 2014)

In this paper, in order to see weldability behaviour of mild steels joint by the oxy-hydrogen welding technique, an investigation of changes in mechanical properties and microstructures of mild steel is carried out. The ...
Joinability of Particulate Reinforced Alumix 231 Based Composite Materials Produced by Powder Metallurgy Route

Ates, H.; Gokmen, U.; Cinici, H.; Uzun, A.; Karakoc, H.; Turker, M. (Металлофизика и новейшие технологии, 2014)

In the present study, weldability of Alumix 231 based composite materials reinforced with Al₂O₃ and B₄C and produced by powder metallurgy route is investigated. Various amounts of (0, 5, 10, and 15% wt.)Al₂O₃ and B₄C ...
Material for Strengthening of Entrance Edges of Work Blades of Stream Turbines

Glushkova, D.B.; Grinchenko, E.D.; Kostina, L.L.; Demchenko, S.V.; Ryzhkov, Yu.V. (Металлофизика и новейшие технологии, 2017)

The influence of electrode material on the state of build-up layer of steam turbine rotor blades is investigated. The strengthening layer is formed by means of the electrospark alloying with use of alloy Т15К6 and steel ...
Mechanical Behaviour of the Porous and Foam Aluminium in Conditions of Compression: Determination of Key Mechanical Characteristics

Byakova, O.V.; Vlasov, A.O.; Semenov, M.V.; Zatsarna, O.V.; Gnyloskurenko, S.V. (Металлофизика и новейшие технологии, 2017)

The paper emphasizes harmonized recommendations for mechanical tests of highly-porous aluminium and aluminium foam to be applicable for analysing their compression response under quasi-static loading as well as determining ...
Mechanical Testing of the Shape-Memory Materials Synthesized by a Plasma-Spark Method

Monastyrsky, G.E.; Gilchuk, A.V.; Ochin, P.; Ivanova, O.M.; Podrezov, Yu.N.; Koval, Yu.N. (Металлофизика и новейшие технологии, 2014)

Испытания на сжатие были выполнены при комнатной температуре для образцов сплавов Ni49,0—Mn28,5—Ga22,5 (ат.%) и Ni63—Al37 (ат.%), как для выплавленных, так и полученных плазменно-искровым методом (ПИМ). Для обеих систем ...
Mechanism of Embrittlement of Metals by Surface-Active Elements

Teus, S.M.; Shanina, B.D.; Konchits, A.A.; Mogilny, G.S.; Gavriljuk, V.G. (Металлофизика и новейшие технологии, 2018)

The nature of mechanical degradation of metals caused by surface-active elements is studied based on the effects of iodine and gallium in austenitic steels and using abinitio calculations and experimental measurements of ...
Metallographic and Mechanical Studies of a Cast Heat-Resisting Alloy

Aichaoui, M.; Hadji, A. (Металлофизика и новейшие технологии, 2017)

A heat-resistant steel tube from an ammonia plant made of modified HP40 steel that failed after short-term service is studied for damage mechanism. The assessment of material degradation is carried out using optical ...
Modelling of Thin Films Hardness Measured by a Spherical Indenter

Boudilmi, A.; Loucif, K. (Металлофизика и новейшие технологии, 2018)

In this theoretical contribution, we chose to use an indenter having a spherical geometrical form, which we used to model the surfaces mixture to separate the contributions of substrate and film in the composite covered ...

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