XIII International Scientific Conference “Tribology for Mechanical Engineering” (TriboMash 2020), 14-16 October 2020, Russia, Moscowdoi: 10.1088/1757-899X/996/1/011001pmid: N/A
Blagonravov Mechanical Engineering Research Institute of the Russian Academy of Sciences holds a scientific conference «Tribology for Mechanical Engineering” every two years since 1982. XIII international conference «Tribology for Mechanical Engineering” was held on October 14-16, 2020 in Moscow, Russia. Purposes of the conference include discussion of current theoretical and applied problems of friction, wear and lubricant, generalization of the latest results of advanced calculation and experimental researches in relation to work of various branches of mechanical engineering (transport, machine-tool construction, space, oil and gas, etc.), the analysis of researches in the nanotribology, development of new highly effective methods of a tribomonitoring and creation new highly effective antifrictional, wear-resistant materials and lubricants.In 2020, the conference was held virtually due to restrictions related to COVID19 using the ZOOM platform. The organizers were located at the Blagonravov Mechanical Engineering Research Institute of the Russian Academy of Sciences, Moscow, Russia.The meetings were held in the format of a speech with an oral presentation. For each participant was allotted 15 minutes including questions. Plenary sessions were held on the first day of the conference. 93 scientists from various cities of Russia and Belarus participated in the conference in 2020. The organizing committee selected 26 articles of the participants for publication in the collection of works. The conference passed without major problems. Organizing committee connected many participants virtually. The exhibition part of the conference was impossible due to the remote presentation. This negatively affects the development of the experimental part of the tribological research.List of Conference Committee is available in this pdf.
Peer review declarationdoi: 10.1088/1757-899X/996/1/011002pmid: N/A
All papers published in this volume of IOP Conference Journal: Materials Science and Engineering (MSE) have been peer reviewed through processes administered by the proceedings Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing.• Type of peer review: OpenFor Peer review of submissions was used open system. Based on the results of the speeches, the editors of the Conference selected the most interesting scientific reports and proposed to publish the article in the Proceedings.• Conference submission management system:The organising committee’s email address was used to submit applications for the conference.• Number of submissions received:The organising committee received 93 submissions.• Number of submissions sent for review:76 submissions were sent for review.• Number of submissions accepted:26 submissions were accepted by Editors.• Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100):Accepted Rate is 30.• Average number of reviews per paper:One review for paper was prepared.• Total number of reviewers involved:24 reviewers worked with applications.• Any additional info on review process:• Contact person for queries:Ph.D. Maksim ProzhegaBardina, 4, 119334, Moscow, [email protected]
Laser frictional area treatment of zirconium crystalsAlisin, V V; Borik, M A; Lomonova, E E; Yu Tabachkova, N
doi: 10.1088/1757-899X/996/1/012001pmid: N/A
The issues of laser treatment of nanostructured partially stabilized crystals of zirconium dioxide are studied in the article. The phenomena of formation of the topography of the surface of crystals after treatment by focused radiation of a repetitively pulsed laser at a wavelength of 1.06 μm are investigated. Structural changes in the surface layer have been studied by X-ray phase analysis. The formation of a golden film on the surface of the treated crystal and ceramic sample of the same chemical composition and the effect of reducing the coefficient of friction have been established. The tribological properties of PSZ crystals are investigated during friction without lubrication in the sliding mode.
The effect of structural factors on tribological behaviour of copper-zinc gas-dynamic coatingsArkhipov, V E; Moskvitin, G V; Pugachev, M S
doi: 10.1088/1757-899X/996/1/012002pmid: N/A
The paper studies the effect of the structure of copper and brass coatings, obtained by gas-dynamic spattering, on their tribological behaviour. Using durometrical, chemical and X-ray analyses, as well as the wear tests, the authors have determined that the copper coating structure hardness is 102.7 HV, it has pores up to 2 urn in diameter, brass coating consists of 106.5 HV copper, 49.7 HV zinc and 168.7 HV non-metallic compositions (y - and e - phases), distributed by mass as 62:7.9:24.2 % correspondingly. The both coatings have presented good results in sliding friction couple tests.
The influence of thermodynamical characteristics of high speed steels on temperature and forces values when turning construction steelBeskopylny, A N; Fominov, E V; Shuchev, C G; Egorov, M S
doi: 10.1088/1757-899X/996/1/012003pmid: N/A
The article is devoted to the critical problem of studying the dependencies of temperature and cutting forces on the entropy of tool materials (high-speed steels - HSS). The high wear resistance of the cutting tool is closely related to the entropy of tool materials. However, the relationship of entropy as structural sensitive characteristic with temperature and forces during machining processes is poorly investigated. The experimental studies were carried out on the engine lathe with an infinitely variable regulation of spindle rotation frequencies, equipped with a measuring complex, allowing cutting forces and temperature recording at different cutting speeds. It has been established experimentally that at all cutting speeds in the studied range the smallest values of cutting forces and contact temperatures were characteristic for cutting tools made of HSS with high levels of thermal entropy. Thus, the thermal entropy of HSS can be used to the preliminary assessment of relative values of cutting forces and temperatures during the processing of steels which characteristics are strongly connected with wear rates and reliability of cutting tools.
Development and studies of new rolling screw-type mechanismsBlinov, D S; Morozov, M I
doi: 10.1088/1757-899X/996/1/012006pmid: N/A
One of the tendencies in mechanical engineering is the transition from sliding friction to rolling friction in part joints moving under load, motor assemblies and machinery. For the present time, planetary roller screws (PRS), which are rolling mechanisms, possess the biggest potential as converters of rotational motion to linear motion. However production of high-precision parts for PRS requires special expensive equipment. The emerging world tendency for reduction of technological costs is to develop nutless roller screws (NRS), which is the most complex PRS part to manufacture. Its production requires an additional machine tool or a universal grinding machine for external and internal grinding. The new rolling NRS has been developed in line with this tendency. This paper focuses on the design and operation of the mechanism and on theoretical studies. A test model and a testing rig have been developed to confirm the results of the theoretical studies and to determine operation parameters of the new NRS. The experiments showed that the newly developed NRS loses to PRS in some parameters, while outperforming it in other. It is also simpler and cheaper to produce and after additional studies and tests rational applications for the newly developed NRS can be found.