Results 81 to 90 of about 1,865,253 (238)

Study on the size effect of rock burst tendency of red sandstone under uniaxial compression

Scientific Reports
The study of rock burst tendency of rock masses with different sizes plays a key role in the prevention of rock burst. Through theoretical analysis, it is proposed that uniaxial compressive strength and deformation modulus ratio are the key mechanical ...
Feng Chen, Jinyang Du, Jinguo Lv, Chun’an Tang, Yishan Pan   +4 more
doaj   +1 more source

Atomistic Insights into Gradient Architecture Driven Strengthening in Additively Manufactured Cu–Ni Stepwise Graded Structures

Advanced Materials Interfaces, EarlyView.
Atomistic simulations reveal the interlayer mechanics of additively manufactured materials, showing how build direction and layer interfaces govern diffusion, defect evolution, and mechanical strength. Distinct anisotropic behavior arises from interface‐controlled deformation and dislocation activity, establishing critical links between microstructural
Rohit Singh, Jinoop Arackal Narayanan
wiley   +1 more source

Mechanical improvement of modified coal-based solid waste composite material after exposure to elevated temperatures to control overburden failure

Results in Engineering
A systematic investigation was conducted on the effects of diatomite substitution rate and elevated temperature on key compressive performance indicators, including compressive strength, elastic modulus, peak strain and failure mode.
Yunjiang Sun, Xiaolong Shen, Jianping Zuo, Jiashun Liu, Daohan Li, Hongfan Xu, Rui Pan, Jiaxuan Xiao, Shuai Guo, Yuhao Feng, Jianan Wang, Zhixuan Pang, Yiru Feng   +12 more
doaj   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

The influence of dry-wet cycle on the compressive strength of tuff

Discover Applied Sciences
Rainfall increases the moisture content of rocks, alters their internal structure, and weakens their mechanical strength, thereby compromising slope stability. Therefore, exploring the potential impact of rainfall on rock slopes is crucial. In the paper,
Gaojian Hu, Yuan Xing, Yangyong Gu, Jingping Xiao, Wenbing Guo   +4 more
doaj   +1 more source

Compressive strength characteristics of polyurethane cemented sea sand

Case Studies in Construction Materials
Sea sand exhibits typical features of loose structure, large compressibility and poor consolidation, causing severe challenges for the construction and emergency repair of coastal engineering. A new Hybrid Non-Isocyanate Polyurethane (HNIPU) was utilized
Peifeng Ma, Linjian Ma, Mingyang Wang, Liqun Duan, Yizhong Tan, Weihao Zhu   +5 more
doaj   +1 more source

Advanced Manufacturing of Composite‐Based Systems for Energy Applications

Advanced Materials Technologies, EarlyView.
Advanced manufacturing enables the integration of polymers, ceramics, metal oxides, and composites into architected microstructures with tailored transport pathways. By coupling material selection, manufacturing strategy, and structural design, multifunctional energy systems can simultaneously improve electrochemical performance, thermal management ...
Sri Vaishnavi Thummalapalli, Dhanush Patil, Libin Yang, M. Taylor Sobczak, Anshul Kulkarni, Xiao Sun, Arunachalam Ramanathan, Tiantian Li, Ramaraja P. Ramasamy, Jason J. Locklin, Yanyu Chen, Xianqiao Wang, Arunachala Mada Kannan, Kenan Song   +13 more
wiley   +1 more source

Determination of Drilling Rate Index Based on Rock Strength Using Regression Analysis [PDF]

Anais da Academia Brasileira de Ciências
: Drillability is influenced by many factors, including machine parameters and rock properties. The main machine parameters for drilling include rotational speed, thrust force, torque and flush pressure.
HAYATI YENICE
doaj   +2 more sources

Programmable Pneumatic Actuator System for a Bioinspired Artificial Colon

Advanced Materials Technologies, EarlyView.
A modular soft robotic colon simulator driven by programmable pneumatic actuation is developed to mimic physiological and pathological‐like motility patterns of the large intestine. Finite element–guided design and distributed control enable anatomically realistic deformation for peristalsis, segmentation, and mass movements, supporting capsule ...
Andrew Bickerdike, Bo Tian, Xizheng Fang, Zepeng Wang, Yang Liu, Lucy Adams, Shyam Prasad   +6 more
wiley   +1 more source

A Constraint‐Based Analytical Framework for Design‐Space Analysis and Material Screening of Tubular Multilayer Dielectric Elastomer Pumps for Extracorporeal Circulatory Applications

Advanced Materials Technologies, EarlyView.
A constraint‐based analytical framework maps the coupled effects of material properties, structural parameters, and operating conditions in tubular dielectric elastomer pumps for extracorporeal circulatory applications. The approach defines performance boundaries through mechanical, electrical, and hydraulic constraints and identifies feasible design ...
Yan Zhang, Amine Benouhiba, Yoan Civet, Yves Perriard   +3 more
wiley   +1 more source