Zobrazeno 1 - 10
of 10 425
pro vyhledávání: '"Compression Test"'
Experimental study on the influence of different bedding dip angles on mechanical properties of coal
Publikováno v:
Meikuang Anquan, Vol 55, Iss 12, Pp 81-89 (2024)
In order to study the influence of bedding on the mechanical properties and permeability of coal samples, a triaxial gas seepage device and acoustic emission monitoring system developed by self-developed were used to conduct triaxial compression test
Externí odkaz:
https://doaj.org/article/4c780aabc353473bb57c1cd94d7bd6bb
Publikováno v:
All Earth, Vol 36, Iss 1, Pp 1-20 (2024)
Understanding the dynamic mechanical properties and damage mechanisms of the surrounding rock during blasting and mining is crucial for preventing engineering accidents. In this study, triaxial and uniaxial impact compression experiments were conduct
Externí odkaz:
https://doaj.org/article/391c71a11c574224a73db2fdb636df25
Autor:
Duofeng Cen, Yage Li
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The frost heave failure mechanism of fractured rock mass is a complicated problem faced by engineering construction in cold area. In this study, low temperature frost heave test and post-freezing uniaxial compression test on sandstone sample
Externí odkaz:
https://doaj.org/article/188bf6d250ed4ba7a8252fb2426b7a7f
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Deep rock masses are typically in complex stress states, and research on the evolution of their strain energy density is of highly important for understanding their failure characteristics. In this work, a true triaxial stress‒balanced unl
Externí odkaz:
https://doaj.org/article/c84f0483314d4e27b0d2821da047ae3f
Publikováno v:
Metalurgija, Vol 54, Iss 1-2, Pp 41-44 (2025)
The hot deformation characteristics of deformed AZ81 magnesium alloy were studied by hot compression deformation on Gleeble-3800 thermal simulation test machine. The deformation temperatures were set at 300, 350, 400 and 450 °C, and the deformation
Externí odkaz:
https://doaj.org/article/cfd3f8b0039d4066bb1c8c692d81279a
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:
International Journal of Technology, Vol 15, Iss 5, Pp 1292-1307 (2024)
Utilized the experimental data to construct models that describe DRX kinetics and the evolution of grain size, employing the Johnson-Mehl-Avrami-Kolmogorov (JMAK) equation, this study investigates the dynamic recrystallization (DRX) characteristi
Externí odkaz:
https://doaj.org/article/dcfa871b95374e5cb7896eb286b20744
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2528-2536 (2024)
In this study, TiC0.5N0.5–60 wt% W and TiC0.5N0.5–70 wt% W cermet cutting tool specimens consisting of Ti(C, N) core, W-rich Ti(C, N) rim, and W-based alloy phases with much higher strengths than conventional heat-resistant tool materials at temp
Externí odkaz:
https://doaj.org/article/229f3cd4c41f4ee4847654e43b03c73c
Publikováno v:
Zhongguo dizhi zaihai yu fangzhi xuebao, Vol 35, Iss 4, Pp 75-84 (2024)
With the development of arid and semi-arid regions in China, the hazards posed by collapsible sands to engineering construction have become increasingly significant. In order to investigate the collapsibility regularity and its influencing factors of
Externí odkaz:
https://doaj.org/article/476c2206fd8c41a38a7e55ed787cd514
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3349-3363 (2024)
Prediction of the flow stress of materials using a flow constitutive model provides strong support for engineering practice and promotes the continuous development of aluminum alloys and relevant application fields. Optimizing the parameters of flow
Externí odkaz:
https://doaj.org/article/c789766480724a18a2425058e3d185c1