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Št. zadetkov: 5
Research on an analytical method for the forming force of external spline cold roll-beating
Qun Ma, Xiangwei Zhang
Izvirni znanstveni članek
Oznake: discrete analytical method;cold roll-beating;forming force;deformation zone;radial force;
To determine the force and energy parameters of cold roll-beating of external splines, the characteristics of the deformation zone in cold roll-beating are analysed. The geometric dimensions and position of the deformation zone change with the movement of the roller, the contact arc, and the reducti ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Simulation research on the control method of bow-collapse in gear cold roll-beating
Qun Ma, Li Cha, Xiangwei Zhang
Izvirni znanstveni članek
Oznake: cold roll-beating;bow-collapse;FE simulation;loss coefficient;cross-section radius;
Bow-collapse is a type of geometric defect in the gear cold roll-beating process. In order to effectively control bow-collapse and improve material utilization, this paper calculates the cross-section radius of the blank according to the volume invariance principle of metal plastic deformation, and ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Load transfer and stress in a piled gravity retaining wall
Qun Chen, Li Wan, Changrong He, Zihui Lai
Izvirni znanstveni članek
Oznake: piled gravity retaining wall;field observation;finite-element analysis;stress;load transfer mechanism;
The piled retaining wall is a new type of railway retaining structure in China. In the current design, the retaining wall, the beam and the piles are assumed to be independent components. Both the mutual action of the retaining wall, the piles and beam, and the influence of the soil or rock foundati ...
Leto: 2010 Vir: Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo (UM FGPA)
Soft-matter-based topological vertical cavity surface emitting lasers
Yu Wang, Shiqi Xia, Qun Xie, Donghao Yang, Jingbin Shao, Xinzheng Zhang, Irena Drevenšek Olenik, Qiang Wu, Zhigang Chen, Jingjun Xu
Izvirni znanstveni članek
Oznake: optika;fotonika;laserji;tekoči kristali;optics;photonics;lasers;liquid crystals;
Polarized topological vertical cavity surface-emitting lasers (VCSELs) are promising candidates for stable and efficient on-chip light sources, with significant potential for advancing optical storage and communication technologies. However, most semiconductor-based topological lasers rely on intric ...
Leto: 2026 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Biocompatible polyelectrolyte multilayers with copper oxide and zinc oxide nanoparticles for inhibiting bacterial growth
Nives Matijaković Mlinarić, Stefanie Altenried, Atiđa Selmani, Juraj Nikolić, Aleksander Učakar, Anamarija Zore, Anže Abram, Sandro Lehner, Andrijana Sever Škapin, Monika Kušter, Eva Roblegg, Davor Kovačević, Qun Ren, Klemen Bohinc
Izvirni znanstveni članek
Oznake: večplastni polielektroliti;alginat;poli(alilamin hidroklorid);CuO;ZnO;nanodelci;Escherichia coli;polyelectrolyte multilayers;alginate;poly(allylamine hydrochloride);nanoparticles;
The prevalence of bacterial infections presents a significant challenge in the medical field, demanding effective strategies to impede bacterial adhesion and growth on various surfaces. The conducted study investigates the efficacy of polyelectrolyte multilayers─comprising poly(allylamine hydrochlor ...
Leto: 2024 Vir: Zdravstvena fakulteta (UL ZF)
Št. zadetkov: 5
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