Zobrazeno 1 - 10
of 653
pro vyhledávání: '"temperature cycle"'
Publikováno v:
Journal of Materials Research and Technology, Vol 34, Iss , Pp 585-603 (2025)
In contemporary society, the growing reliance on electronic devices has necessitated the phasing out of traditional Sn–Pb solder due to its health hazards, prompting a transition to environmentally friendly, lead-free alternatives.This study aims t
Externí odkaz:
https://doaj.org/article/c7df7c0d06cb4a2391f1a26655e6cc7d
Autor:
I. Yu. Lesnyak, Z. N. Sokolovsky, M. A. Fedorova, S. V. Gavrilenko, A. Yu. Kazakov, V. E. Konovalov
Publikováno v:
Омский научный вестник, Vol 2 (190), Pp 29-36 (2024)
The paper analyzes the issue of calculating the endurance of the body of lowflying orbital objects from cyclic temperature alternating deformation beyond the limits of Hooke's law. The practical absence of direct calculation methods is stated. An i
Externí odkaz:
https://doaj.org/article/ce13daab8c5349ec92c086472cc26b9c
Publikováno v:
IEEE Access, Vol 12, Pp 44858-44872 (2024)
Thermal monitoring of different regions is usually limited to meteorological data in ground stations. Meteorological networks are limited in arid and semi-arid areas, where monitoring climatic conditions is not possible. The aim of this study is to e
Externí odkaz:
https://doaj.org/article/1a950abfba88410a98184523f1ebbfa5
Akademický článek
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Autor:
Ramon Farré, Miguel A. Rodríguez-Lázaro, Jorge Otero, Núria Gavara, Raimon Sunyer, Núria Farré, David Gozal, Isaac Almendros
Publikováno v:
Frontiers in Physiology, Vol 15 (2024)
Exposure of experimental rodents to controlled cycles of light, food, and temperature is important when investigating alterations in circadian cycles that profoundly influence health and disease. However, applying such stimuli simultaneously is diffi
Externí odkaz:
https://doaj.org/article/950a76bf892e49a48b050f652397d34f
Publikováno v:
GIScience & Remote Sensing, Vol 59, Iss 1, Pp 1121-1142 (2022)
Surface urban heat island (SUHI) can considerably influence the urban environment and the quality of life. It is vital to examine how underlying surface properties impact seasonal and diurnal SUHIs. However, the influence of three-dimensional (3D) ur
Externí odkaz:
https://doaj.org/article/21967bdb4e6f42d49dcbb3bcea3d1e8b
Publikováno v:
e-Polymers, Vol 23, Iss 1, Pp 43-53 (2023)
As the key components of sealing applications, rubber seals are subject to complicated environmental conditions during the service lifetime. In this study, the aging of three typical rubber materials, ethylene–propylene–diene monomer rubber, liqu
Externí odkaz:
https://doaj.org/article/49c8c9e5b0f44328ac9b274cd3f0ff27
Publikováno v:
Journal of Aeronautical Materials, Vol 42, Iss 6, Pp 97-106 (2022)
This paper studies the durability of epoxy resin-based-carbon fiber reinforced polymer (EP-CFRP) under the combined action of aggressive environmental conditions and load. Environmental conditions such as high and low temperature cycles of −40-40
Externí odkaz:
https://doaj.org/article/b7da65d5ba79413cad36be7ecb6a4397
Publikováno v:
Омский научный вестник, Vol 4 (184), Pp 30-35 (2022)
Theoretical studies of the endurance of an aviation alloy of AMg6 type during its long-term cyclic volumetric temperature deformation beyond the limits of Hooke's law have been carried out. A technique has been developed for assessing the enduran
Externí odkaz:
https://doaj.org/article/1789512e29024b87ab1813e4612b10c4
Publikováno v:
Известия высших учебных заведений. Поволжский регион:Технические науки, Iss 1 (2023)
Background. One of the main features of layerwise laser welding of metals and metal alloys is that as a result of intense energy exposure, a relatively fast heating of a relatively thin surface layer occurs, leading to a change in the physical and me
Externí odkaz:
https://doaj.org/article/8fc3b85962ab4eb1a6a64db1f11868a0