Volume 13, Issue 1, March 2023

We observed the ordered phase particle experimentally by the TEM method. The temperature of the order–disorder phase transition in the Cu-5.9Pd alloy was estimated as Tc ≈ 340°С.

Carbide/binder grain boundaries in a FIB lamella prepared from the WC-Co-Re cemented carbide were examined by high-angle annular dark field scanning transmission electron microscopy and energy dispersive X-ray spectroscopy at a high resolution. Rhenium was found to segregate at the grain boundaries forming complexions of 2 to 3 atomic monolayers, which presumably consist of mixed W-Re carbide.

The deposition of corrosion products on the surface of the alloy ZK60 creates the compressive internal stresses of types I and II.

The increase in the specific electrical capacitance of C-matrices as a result of the introduction of the most efficient fillers is 250–450%, depending on the type of matrix, filler, and potential scan rate.

Regardless of δ-ferrite fraction in the additively manufactured CrNi stainless, the increase in strain rate slows down the kinetics of strain-induced γ→α' martensitic transformation, but weakly influences the stress and strain, at which the macroscopic transformation stage starts.

1. Modified Likhachev-Volkov model may be successfully used for the simulation of the strain variation during cooling and isothermal holding under stress. 2. To describe the strain variation on holding after active deformation, elastic energy stored during the transformation should be decreasd.

Physico-chemical properties of silicon-carbon films obtained by electrochemical deposition

Lattice structure for [Ph]5-7v1 disclinated phosphorene and its band structure diagram with first Brillouin zone

The properties of Cr,Mg-codoped bismuth tantalate pyrochlore have been investigated

Even in simple experiments on uniaxial tension of filled elastomeric materials, an inhomogeneous strain field is observed in a standard dumbbell-shaped sample, not to mention experiments with complex loading history. The way out of this situation is to use samples of a different shape, for example, ring-shaped, rather than dumbbell-shaped samples.

Shape memory effects were studied in NiTi/Kapton composite produced by deposition of thin NiTi layer on the Kapton substrate by electronic beam evaporation.

Experimetnal spectrum of crystal curvature enables to discriminate between bainite and marnetsite and quantify them. To this end a main phase is fitted first to relevant spectrum tail.

Developed unit for adhesion studies of contact processes in heavy-duty high-temperature tribocouplings.

Superplastic behavior of nickel-based superalloys with ultrafine grain structure.

Established that at the increase of the mass fraction of carbon from 0.09% to 0.30% in the as-cast metal, the metal hardness increases. At the same time, the structural-phase composition consists of a pseudo-pearlitic structure (ferrite-nitride mixture) and austenitic structure in different ratios since an increase in the carbon content leads to an increase in the amount of the pseudo-pearlite. The heat treatment of specimens with the mass fraction of carbon of 0.09% and 0.30% at 1250 °C for two hours leads to their complete austenization. In this case, the hardness of steels of both compositions decreases to 22 – 24 HRC (0.09 wt.% of carbon) and to 28 – 30 HRC (0.30 wt.% of carbon).