Tribological Properties of Nanostructured Diffusion Layers of Metal Coatings

Скотникова, М. А.; Tsvetkova, Galina V.; Крылов, Н. А.

doi:10.4028/www.scientific.net/kem.721.446

Cited by 7 publications

(4 citation statements)

References 2 publications

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“…Universal friction machine "MTU-1". A universal friction machine "MTU-1" was used for testing [10,11]. The structure of this universal friction machine enable to keep contacting surfaces parallel, which is leading to increased accuracy of measurements.…”

Section: Goals and Methodsmentioning

confidence: 99%

Investigation of Tribological Characteristics of Polymers Used in Medicine

Andriushchenko

Семенова

Pan

2019

KEM

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In this paper, an investigation of tribological properties of 3D printed samples with various filling is performed. The samples are made of biodegradable and non-toxic polylactic acid (PLA) that could be used for medical purposes as well as for rapid prototyping. The sample's properties, such as friction coefficient and temperature in contact area are defined by using the universal friction machine.

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Section: Goals and Methodsmentioning

confidence: 99%

Investigation of Tribological Characteristics of Polymers Used in Medicine

Andriushchenko

Семенова

Pan

2019

KEM

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“…Ultrafine-grained (UFG), as well as nanocrystalline (NC) metals and alloys having a grain size (0,1-1,0 µm) and (less 100 nm), accordingly, high pressure torsion (HPT) is obtained [1][2][3], equal channel angular pressing (ECAP) [4][5][6], surface plastic deformation [8][9][10][11][12], in places of localization of shift in shaving at high-speed machining of metals [13][14][15] and other methods of severe plastic deformation (SPD).…”

Section: Introductionmentioning

confidence: 99%

Effect of Severe Plastic Deformation on the Structure and Properties of the Aluminum Alloy System Al-Cu-Mg

Paitova

Bobruk

Shasherina

et al. 2019

KEM

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The structure and properties of discs from cast coarse-grained D16 alloy have been investigated with the help of optical metallography and transmission electron microscopy, after the traditional heat treatment (HT) modes or subjected to high pressure torsion (HPT) under pressure in 6 GPa at room temperature. Standard HT modes included: Т4 (hardening 495°С + natural aging at room temperature for 5 days) and Т6 (hardening 495°С + artificial aging at 185°С for 10 hours). It is shown that after HT of alloy D16 according to modes T6 and Т4, the sizes of the structural elements, compared with the original, decreased by about 4,8 times and the microhardness increased by 1,6 times. It is shown that after one or ten rotates of HPT in D16 alloy the sizes of structural elements, in comparison with initial, decreased by 393 and 899 times, and microhardness increased by 2,4 and 2,9 times, respectively. Detection of hardening hard, brittle and high-alloy copper γ2- phases (Cu9Al4) indicates the passage in the HPT process of the decomposition of a supersaturated solid solution (dynamic aging) in the planes of a local shift.

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“…Nowadays, great importance is given to increasing the regulated overhaul life of engines and components in the process of manufacturing engineering products for civil and military. One of the ways to solve this task is to increase the reliability of antifriction parts, in particular, sliding bearings [1,2]. The possibility of various designs, high accuracy, small radial dimensions, the ability to work in water, corrosive environments, as well as under shock and vibration loads make the sliding bearings indispensable in the design of modern components and assemblies [2].…”

Section: Introductionmentioning

confidence: 99%