58 Result(s)

Article

Energy concept of hardness for instrumented indentation

The theoretical and experimental problems of determining Martell hardness are considered, and the use of an energy approach to the problem of hardness determination is analyzed. The development of instrumented...

Yu. V. Mil’man, K. E. Grinkevich, L. V. Mordel’ in Russian Metallurgy (Metally) (2014)

Article

Effect of do** with refractory rare-earth metals on the structure and properties of Al–5Zn–3Mg alloys produced by powder metallurgy and casting methods

The effect of do** with transition refractory metals on the structure and properties of Al–Zn–Mg alloys produced by different methods is studied. It is ascertained that the strength of cast alloys is increas...

Yu. V. Mil’man, O. D. Neikov, A. I. Sirko… in Powder Metallurgy and Metal Ceramics (2013)

Article

Mechanical properties of type IIb synthetic diamond at a temperature of 900°C

Mechanical properties of a type IIb synthetic diamond produced by the temperature gradient method have been studied at 900°C using indenters having different angles between the pyramid axis and face. The strai...

Yu. V. Mil’man, E. M. Pidgornyuk, A. N. Katrusha… in Journal of Superhard Materials (2012)

Article

Structure and mechanical properties of iron after surface severe plastic deformation under friction with simultaneous nitrogen saturation: I. structure formation

The structure of armco iron after severe plastic deformation under friction with simultaneous nitrogen saturation has been studied by microstructure analysis, X-ray diffraction, and transmission and scanning e...

A. I. Yurkova, Yu. V. Mil’man, A. V. Byakova in Russian Metallurgy (Metally) (2012)

Article

Structure and mechanical properties of iron after surface severe plastic deformation under friction with simultaneous nitrogen saturation: II. The mechanical properties of nano- and submicrocrystalline iron saturated with nitrogen during deformation

The effect of structure refinement of iron to submicro- and nanograins during intense plastic deformation under friction (SPDF) with simultaneous nitrogen saturation on the mechanical characteristics (hardness...

A. I. Yurkova, Yu. V. Mil’man, A. V. Byakova in Russian Metallurgy (Metally) (2012)

Article

Assessment of the In-Service Degradation of Pipeline Steel by Destructive and Nondestructive Methods

We analyze the influence of the long-term operation of API X52 pipeline steel on the degradation of its mechanical properties. It is established that, after operation for 30 years, its strength and plasticity ...

Yu. V. Mil’man, H. M. Nykyforchyn, K. E. Hrinkevych, O. T. Tsyrul’nyk… in Materials Science (2012)

Article

Physical nature of the temperature dependence of yield stress

Below is one of the most significant works by V. I. Trefilov and Yu. V. Mil’man. The idea that the temperature dependence of the yield stress is determined by the thermally activated escape of potential barrie...

Yu. V. Mil’man, V. I. Trefilov in Powder Metallurgy and Metal Ceramics (2010)

Article

Structure and properties of Al–Mg alloys depending on scandium and zirconium additions and production methods

The paper examines how scandium and zirconium do** of Al–Mg alloys produced by conventional casting and powder metallurgy methods influences their structure and mechanical properties. It is shown that Al–Mg ...

Yu. V. Mil’man, O. D. Neikov, A. I. Sirko… in Powder Metallurgy and Metal Ceramics (2010)

Article

Mechanical properties of Al–Cu–Fe alloys sintered at high pressure

The structure and mechanical behavior of bulk Al–Cu–Fe materials sintered at high hydrostatic pressure are studied at room temperature. Quasicrystalline Al₆₃Cu₂₅Fe₁₂ and Al_62.7Cu₂₅Fe₁₂Sc_0.3 powders and Al₆₆Cu₁₈Fe

Yu. V. Mil’man, N. A. Efimov, S. V. Ul’shin… in Powder Metallurgy and Metal Ceramics (2010)

Article

Al-Fe-Ce alloys based on water-atomized powders for high-temperature applications

The microstructure and mechanical properties of Al-Fe-Ce alloys based on water-atomized powders between 20 and 300 °C are examined in comparison with the properties of similar alloys produced by other rapid cr...

O. D. Neikov, Yu. V. Mil’man, A. I. Sirko… in Powder Metallurgy and Metal Ceramics (2007)

Article

Studies of mechanical properties of quasicrystalline Al-Cu-Fe phase by the indentation technique

Academician V. I. Trefilov, Yu. V. Mil’man, D. V. Lotsko, A. N. Belous… in Doklady Physics (2000)

Article

A method of determining the mechanical properties of a two-layer composite consisting of a steel matrix and a plasma spray coating based on amorphizing powders

A method is proposed for measuring failure stresses and elastic modulus for a coating by means of a four-point bending with precision deflection measurement. A composite has been examined...

Yu. N. Podrezov, Yu. V. Mil’man, D. V. Lotsko… in Powder Metallurgy and Metal Ceramics (1999)

Article

Structure and properties of Fe—Ni—Si—B and Co—Fe—Ni—Si—B alloys obtained by explosive compaction of amorphous powders

Hard (up to 16 GPa) amorphous-crystalline compacts of cobalt-based alloys and iron-based alloys are made by explosive compaction from powders at pressures of 12 and 15 GPa. Their magnetic properties correspond...

N. M. Mordovets, V. I. Kovtun, V. Ya. Kurovskii… in Powder Metallurgy and Metal Ceramics (1999)

Article

Role of plastic deformation in sintering covalent crystals (review)

V. I. Trefilov, Yu. V. Mil'man, I. V. Gridneva in Powder Metallurgy and Metal Ceramics (1995)

Article

Investigation of the special traits of failure of sintered iron by the in situ method

Yu. V. Mil'man, A. M. Leksovskii, R. K. Ivashchenko… in Powder Metallurgy and Metal Ceramics (1995)

Article

Structural features of vacuum-deposited high-hardness chromium coatings

The structure and hardness of ion-plasma coatings, obtained by evaporating chromium with a low-pressure compressed arc, from a melting crucible with and without clusterization of the vapor flow, was studied. I...

D. A. Dudko, A. E. Barg, Yu. V. Mil'man… in Powder Metallurgy and Metal Ceramics (1993)

Article

Structure features of the eutectic alloys of borides with the d- and f-transition metals

Yu. B. Paderno, V. N. Paderno… in Soviet Powder Metallurgy and Metal Ceramics (1992)

Article

Temperature of the subsurface layers and structural distortions in the grinding of polycrystalline tungsten

A. A. Adamovskii, D. V. Lotsko… in Soviet Powder Metallurgy and Metal Ceramics (1992)

Article

Effect of annealing on the microhardness, the ductility, and the temperature of cold shortness of amorphous metallic alloys

E. S. Koba, Yu. V. Mil'man, S. V. Postoi in Soviet Powder Metallurgy and Metal Ceramics (1991)

Article

Mechanical properties of sintered materials. III. Cold brittleness of sintered materials

V. I. Trefilov, Yu. V. Mil'man… in Soviet Powder Metallurgy and Metal Ceramics (1991)