Nanostructure formation in superior quality rails
Using transmission electron microscopy methods the layer by layer analysis of the bulk hardened superior quality rails is carried out, phase state and defect substructure gradients are established. Character of changing of structure-phase states.
Strength is assumed - index for materials which can take standard, calculated values. Significant dependence between bending resistance, absolute size of structural elements. The structure of the wood fibers - factor which determine timber quality.
статья, добавлен 25.12.2016
Development of improved methods of calculation to quantify the anodic dissolution process began. Determining factors of electrochemical dissolution of the surface layers of steel, obtained at different process conditions electroerosion machining.
статья, добавлен 30.07.2016
Analysis of the development of the basic methods of engineering the contact surfaces of tribological systems. Characteristics of the problems and prospects of development of technologies of creating surfaces of discrete-oriented structure of the system.
статья, добавлен 18.02.2016
Analysis of finite element methods, numerical methods for solving engineering and mathematical physics. Obtaining analytical solutions for problems of complex geometry, loads and material properties. Tension rods, beams and other simple structures.
презентация, добавлен 20.10.2014
Structural phase composition analysis of heterogenous film materials based on refractory metals is presented. A thermal activity nature of their conductivity was determined. Of investigation were estimated thermal resistance coefficient and energy.
статья, добавлен 30.07.2016
The main production methods jet fuels rocket engines. Prospects for the use of various raw materials to produce jet fuels in the context of limited energy resources. The impact of processing production and use of aviation fuels on the environment.
статья, добавлен 23.02.2016
Analysis of requirements for electric-drive of mechanism of pulsed wire feed, and the benefits of using a special Brushless Direct Current electric-drive. Design of half-bridge circuit to regulate the strength of the current phase of the stator windings.
статья, добавлен 22.12.2016
The types of dosimeters: silicon-diode detectors, diamond detectors, liquid ion chambers and radiographic films. The spatial resolution as a key feature for next-generation dosimeters. Results using one layer of DOSIORT. Isodose curves in the test.
статья, добавлен 12.10.2013
Synthesis of a batch of aluminum-doped titanium dioxide and testing the reaction of photocatalytic degradation of phenol in an aqueous suspension. Studies of the crystal structure of rutile anatase using XRD, XPS, Raman spectroscopy and EMF methods.
статья, добавлен 25.08.2017
The analysis of the cement production process in Ghana, which is limited to grinding clinker into cement and its packaging and distribution. The equipment of grinding chains, the best configuration. Control methods used for cement grinding chains.
статья, добавлен 30.05.2018
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