Results 71 to 80 of about 5,303 (265)

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

Rock breaking performance of disc cutter assisted by circumferential pre-slotting

Meitan xuebao
Disc cutter has a better hard rock breaking performance due to its undercutting mode. To further improve the mechanized excavation efficiency of hard rock roadway in underground coal mine, the rock wedged performance of disc cutter assisted by ...
Hongxiang JIANG, Xiaodi ZHANG, Kuidong GAO, Ouguo WANG, Shen SONG, Hongsheng LI   +5 more
doaj   +1 more source

Study on the Mechanism of Stick-Slip Vibration Based on Single-Cutter Rock Breaking Finite Element Simulation

Shiyou jixie, 2021
The deep and complex formations in oil and gas exploration and development have the characteristics of high pore pressure, high temperature, high rock hardness, strong plasticity and poor drillability, which have brought many challenges to drilling ...
He Zhenguo, Shi Libao, Li Lingxi, Kong Lulin, Zhang Xiaoning, Liu Xinyun   +5 more
doaj  

Archeo‐Inspiration from the Cultural History of Glass: Historic Accounts, Anecdotes and Hard Facts as Challenges to Modern Material Science

Advanced Materials, EarlyView.
Glass, historically valued for its purity and durability, has long inspired artists and societies. This article introduces the concept of “Archeo‐Inspiration”, drawing on cultural and historical contexts of glass to guide future material innovations.
Eva von Contzen, Julia von Ditfurth, Fabian Stroth, Bastian E. Rapp   +3 more
wiley   +1 more source

Analysis on Fluid-Solid-Thermal Coupling Field in Rock Breaking Under Composite Impact Loads Based on Simulation Model

Shiyou jixie
In order to reveal the rock-breaking mechanism of full-size PDC bit under composite impact loads,from the perspective of temperature,a simulation model of fluid-solid-thermal coupling in rock breaking of PDC bit under composite impact loads was built ...
Cao Jifei, Zou Deyong, Li Cheng, Wang Hanxiang, Che Jiaqi, Zhang Weiqiang, Huang Zhe   +6 more
doaj  

Numerical simulations of dynamic rock damage under laser-induced shock waves

Meitian dizhi yu kantan
ObjectiveTraditional laser thermal rock breaking technologies suffer from high energy consumption and a limited damage depth. To overcome these challenges, this study proposed a novel mechanical rock breaking method based on high-pressure plasma shock ...
Yuelin XU, Enwei QIN, Wei LI, Ying WANG
doaj   +1 more source

Multiphysics‐Driven Assembly of Biomimetic Vesicles

Advanced Materials, EarlyView.
Artificial extracellular vesicles, derived from cell membranes, are manufactured using a multiphysics‐integrated microfluidic platform that combines nanoknife membrane rupture, herringbone chaotic mixing, and acoustothermal modulation. This standardizable workflow enables the predictable control of vesicle formation and therapeutic loading, while ...
Timofei Solodko, Ian Gimino, Aastha Chandiwala, Bayan Alkotoub, Ali Bashiri Dezfouli, Heiko Reith, Asjad Bakhtiar, Rojda Hicsanmaz, Johann Brenner, Christoph J. O. Kaiser, Elena Belli, Shilpi Pandey, Samuel D. Rabkin, Kornelius Nielsch, Gabriele Multhoff, Oliver Hayden, Morteza Hasanzadeh Kafshgari   +16 more
wiley   +1 more source

Study of the Critical Speed of Ultra-High-Speed Diamond Drilling Technology in Marble

Applied Sciences
In order to effectively improve the drilling speed in deep hard rock and save drilling costs, this study explores the transformation mechanism and critical velocity range of ultra-high-speed diamond drilling technology on rock breaking effect, using ...
Yuxiao Li, Kai Zhang, Yue Wang
doaj   +1 more source

Automated Experimental Platform and Mechanics Testing of Rock Breaking using Different Lasers

Journal of Intelligent Construction
Addressing the challenge of breaking rocks deep within the earth requires innovative solutions, and the pulsed laser technology has emerged as a promising noncontact alternative for rock breaking. We developed an automated experimental platform with robotic arms and a rock mechanics testing device to quantitatively study the impact of laser technology ...
Gaofeng Zhao, Zhe Li, Yao Du, Fuxin Rui, Liang Wu, Kai Liu, Xiaobao Zhao, Ping Che   +7 more
openaire   +2 more sources

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source