Zobrazeno 1 - 10
of 50 360
pro vyhledávání: '"Plastic-Deformation"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Deformation mechanisms of crystalline solids has been the subject of research for more than two centuries. The theory of dislocations dominates modern views but still has significant gaps demanding the introduction of additional concepts for
Externí odkaz:
https://doaj.org/article/266e92b529fc4a6f8f1c25ce4c48cef5
Publikováno v:
Frontier Materials & Technologies, Iss 3, Pp 75-88 (2024)
The paper covers the production, analysis of the microstructure, crystallographic texture and deformation mechanisms of the ultrafine-grained (UFG) Zn–1%Mg–1%Fe zinc alloy demonstrating unique physical and mechanical properties compared to its co
Externí odkaz:
https://doaj.org/article/5d2454a8c5384f6aa2647156ab06f2f8
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 124, Pp 243-260 (2024)
The research objects are gas turbine engines parts, manufactured using an innovative method of additive manufacturing – selective laser sintering. The main problem solved in this work is the low quality of the surface layer and the residual porosit
Externí odkaz:
https://doaj.org/article/d58cee7e34814d7aa988409edecf6550
Publikováno v:
Meitan xuebao, Vol 49, Iss 9, Pp 3859-3871 (2024)
The study on the evolution characteristics of coal permeability is of great significance for rationally determining gas extraction parameters and increasing gas extraction efficiency. In order to study the effects of different coal stresses and gas p
Externí odkaz:
https://doaj.org/article/018bd63cb39e414ab0b5d70f53291d00
Autor:
Zi-Meng Wang, Yun-Fei Jia, Jia-Dong Cai, Yuan-Yuan Cui, Xiao Li, Xian-Cheng Zhang, Shan-Tung Tu
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3269-3279 (2024)
Strain rate plays a nonnegligible role in the plastic deformation behavior of metallic materials with heterogeneous nanostructure, while little research focuses on the topic. In-situ compression tests at various strain rates were conducted on the mic
Externí odkaz:
https://doaj.org/article/3e43db5dca3b4dd1ac420d5d6d542775
Publikováno v:
Discover Materials, Vol 4, Iss 1, Pp 1-12 (2024)
Abstract The examination of mechanical and wettability properties of commercial pure titanium (CP-Ti) introduced a novel challenge. The microstructure of samples was analyzed by using OM and SEM micro-images. In this study, the hardness of the surfac
Externí odkaz:
https://doaj.org/article/aef260d0fbb3412298523ccefcf8fa10
Microstructural evolution and mechanical behavior of pearlitic steel under multi-directional forging
Autor:
Nayara Aparecida Neres da Silva, Paula Cibely Alves Flausino, Taise Matte Manhabosco, Maria Teresa Paulino Aguilar, Paulo Roberto Cetlin
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2160-2172 (2024)
The mechanical behavior and the microstructural evolution of a pearlitic SAE 1080 steel were analyzed along 12 Multi-Directional Forging (MDF) cycles at room temperature and strain amplitude Δε ≈ 0.30 (MDF0.30). The resulting cumulative strain fl
Externí odkaz:
https://doaj.org/article/f0c47304bafe469793022f5bdb763d90
Autor:
Rongshen Huang, Changjian Yan, Yang Cao, Zijun Xia, Yunchang Xin, Dehao Kong, Bo Guan, Jing Xu, Lingyu Zhao, Chuanqiang Li
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1074-1082 (2024)
The Mg–8Li dual phase alloy was deformed by multi-directional compression with different passes. Microstructure evolution of deformed Mg–8Li alloy was analyzed by electron backscatter diffraction. X-ray diffraction profile was used to calculate t
Externí odkaz:
https://doaj.org/article/86b4d956e9144d318abd7f7ee3b202b5
Autor:
Sergey Lezhnev, Abdrakhman Naizabekov, Andrey Tolkushkin, Evgeniy Panin, Dmitry Kuis, Alexandr Arbuz, Pavel Tsyba, Elena Shyraeva
Publikováno v:
Modelling, Vol 5, Iss 3, Pp 1101-1115 (2024)
The purpose of this work is a comparative analysis of the workpiece shape, and parameters of the stress-strain state during deformation on two radial-shear rolling mills with different roll configurations to determine the most suitable scheme for obt
Externí odkaz:
https://doaj.org/article/95629ee2a8974006b8dc115aa4af50d7
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 8, Pp 3173-3179 (2024)
In this study, the mechanical behavior of crystal group of hexagonal close-packed (hcp; α phase) and body-centered cubic (bcc; β phase) during tensile loading was investigated to elucidate the mechanism from elastic to plastic deformation transitio
Externí odkaz:
https://doaj.org/article/f502b8cf66824e56bad8bfdab2a41a9d