Zobrazeno 1 - 10
of 925
pro vyhledávání: '"шероховатость"'
Autor:
Yu. A. Korablev
Publikováno v:
Финансы: теория и практика, Vol 26, Iss 3, Pp 196-225 (2022)
This paper aims to restore some parameters of functionals using cubic splines to forecast rare events in finance and economics. The article considers the mathematical method for recovering an unknown function from many different functionals, such as
Externí odkaz:
https://doaj.org/article/8524aada33fd4eb2a5a7dbcbadfaa5f1
Autor:
M. R. Gimadeev, A. A. Li
Publikováno v:
Advanced Engineering Research, Vol 22, Iss 2, Pp 116-129 (2022)
Introduction. Domestic and foreign works on the milling of complex-profile surfaces with a ball-end tool were analyzed. Methods of surface quality control and ways to provide amplitude parameters of roughness, based on research data and field experim
Externí odkaz:
https://doaj.org/article/8daa3d6b60ae48e6807e9e9e6d10a07c
Publikováno v:
Advanced Engineering Research, Vol 22, Iss 2, Pp 99-106 (2022)
Introduction. The article elucidates increasing the efficiency of turn-milling of powdered metal high-speed steel products. Turn-milling can be used as an alternative to the traditional turning method. The article describes advantages of the turn-mil
Externí odkaz:
https://doaj.org/article/ad2eb3edc0e64af9b3d3bfc73ae4ac94
Publikováno v:
Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 20, Iss 1, Pp 33-48 (2021)
The article considers the issues of changing the energy activity of the surface of clay particles modified by pressure up to 800 MPa. The energy properties of the surface were evaluated by measuring the adhesion force between the surface of clay samp
Externí odkaz:
https://doaj.org/article/6501dfbdc216424eac90c3e1c8498a17
Publikováno v:
Advanced Engineering Research, Vol 20, Iss 4, Pp 382-389 (2020)
Introduction. The design technique for a highly efficient technological process of vibration finishing of parts with small grooves and holes is presented. The decision is based on the selection of the granulometric characteristics of the processing e
Externí odkaz:
https://doaj.org/article/291ef22bba2840469bb1b146fa73af11
Publikováno v:
Advanced Engineering Research, Vol 20, Iss 3, Pp 235-242 (2020)
Introduction. The study results of the abrasive processing of parts made of polymer-composite materials are presented. The features of processing polymer composites and the technology of preforming through waterjet cutting are described. The stages o
Externí odkaz:
https://doaj.org/article/bf57266d60ba498f9ff25f79d7a95a81
Publikováno v:
Advanced Engineering Research, Vol 20, Iss 2, Pp 143-149 (2020)
Introduction. The study results on the multicontact shock-vibrating machining using a ball-rod hardener are presented. Methods of surface plastic deformation processing, their advantages are described. The tool circuit diagram is given. Features, tec
Externí odkaz:
https://doaj.org/article/40b67756e15f4df1baa801ddc2536283
Publikováno v:
Mechanics and Advanced Technologies, Vol 5, Iss 1 (2021)
Выполнены исследования процесса магнитно-абразивной обработки (МАО) ферромагнитных плоских поверхностей торцевыми головками трех тип
Externí odkaz:
https://doaj.org/article/fba48b2074a5426fb56a4a433a042685
Autor:
Ирина Валентиновна Библик
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 8, Pp 85-89 (2019)
An approach based on using the neural networks has been developed for predicting the fatigue strength of gas turbine engine (GTE) parts at the manufacturing stage. The neural network model implemented in the Delphi programming environment consists of
Externí odkaz:
https://doaj.org/article/c1896944417e485985737a71a68a3824
Autor:
S. V. Shishkin
Publikováno v:
Научный вестник МГТУ ГА, Vol 22, Iss 3, Pp 79-91 (2019)
A number of aviation assemblies are made as pressure couplings of thin-wall components, e.g., shafts and hubs, durability of which is related to fitting contact load concentrations under cyclic and dynamic loadings. This article discusses a numeric s
Externí odkaz:
https://doaj.org/article/bc7f523d2037491d9627aee3845f8455