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| http://dx.doi.org/10.26574/maedica.2023.18.3.387 | DOI Listing |
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Flow Behavior Analysis of the Cold Rolling Deformation of an M50 Bearing Ring Based on the Multiscale Finite Element Model.
Materials (Basel)
December 2024
Hubei Key Laboratory of Advanced Technology for Automotive Components, Wuhan University of Technology, Wuhan 430070, China.
Through the ferrite single-phase parameters of M50 bearing steel obtained based on nanoindentation experiments and the representative volume element (RVE) model established based on the real microstructure of M50, this paper established a multiscale finite element model for the cold ring rolling of M50 and verified its accuracy. The macroscale and mesoscale flow behaviors of the ring during the cold rolling deformation process were examined and explained. The macroscopic flow behavior demonstrated that the stress distribution was uniform following rolling.
View Article and Find Full Text PDFClimate drives the long-term ant male production in a tropical community.
Sci Rep
January 2025
Grupo de Investigación Ecología y Evolución en los Trópicos-EETrop, Universidad de Las Américas, Quito, Ecuador.
Forecasting insect responses to environmental variables at local and global spatial scales remains a crucial task in Ecology. However, predicting future responses requires long-term datasets, which are rarely available for insects, especially in the tropics. From 2002 to 2017, we recorded male ant incidence of 155 ant species at ten malaise traps on the 50-ha ForestGEO plot in Barro Colorado Island.
View Article and Find Full Text PDFNight flight facilitates late breeding catch-up in a long-distance migratory seabird.
Sci Rep
December 2024
Department of Biology, University of Oxford, Mansfield Road, Oxford, OX1 3SZ, UK.
Long-distance migrants must optimise their timing of breeding to capitalise on resources at both breeding and over-wintering sites. In species with protracted breeding seasons, departing earlier on migration might be advantageous, but is constrained by the ongoing breeding attempt. Here we investigated how breeding timing affects migratory strategies in the Manx shearwater (Puffinus puffinus), a trans-hemispheric migratory seabird with large temporal variation in the onset of breeding.
View Article and Find Full Text PDFEnhanced flight performance in hoverfly migrants.
iScience
December 2024
Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Cornwall, UK.
Article Synopsis
- Many animals, including the marmalade hoverfly, migrate seasonally, which affects their flight characteristics.
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Effects of temperature experienced across life stages on morphology and flight behavior of painted lady butterflies (Vanessa cardui).
Mov Ecol
December 2024
Department of Biology, MSC 3AF New Mexico State University, Las Cruces, NM, 88003, USA.
Background: With ongoing anthropogenic climate change, there is increasing interest in how organisms are affected by higher temperatures, including how animals respond behaviorally to increasing temperatures. Movement behavior is especially relevant, as the ability of a species to shift its range is implicitly dependent upon movement capacity and motivation. Temperature may influence movement behavior of ectotherms both directly, through an increase in body temperature, and indirectly, through temperature-dependent effects on physiological and morphological traits.
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