Results 51 to 60 of about 30,599 (256)

Slip Localization Intensification Mediated by Grain Boundary Sliding in a Polycrystalline Nickel‐Based Superalloy

Advanced Engineering Materials, EarlyView.
The temperature dependence of fatigue behavior in nickel‐based superalloys is investigated through high‐resolution measurements of plastic localization. While increasing temperature reduces localization and enhances fatigue performance in René 88DT, Inconel 718 exhibits a sharp degradation at intermediate temperature due to intensified slip ...
M. Calvat, D. Anjaria, I. Woo, C. Bean, D. Texier, J. C. Stinville   +5 more
wiley   +1 more source

Experimental Characterization and Constitutive Modeling of the Effect of Prior Inelastic Strain on the Viscoplastic Behavior of AD730 at 700 °C

Advanced Engineering Materials, EarlyView.
This study shows that superalloys used in aircraft engine disks become much more prone to deformation at high temperatures if they have been strained during manufacturing. This effect increases with the level of prior strain but eventually reaches a limit.
Fabio Machado Alves da Fonseca, Patrick Villechaise, Malik Durand, Arnaud Longuet, Florent Coudon, Loïc Signor, Julien De Jaeger, Dominique Eyidi, Nathalie Bozzolo, Jonathan Cormier   +9 more
wiley   +1 more source

A novel method combining strata movement and UAV infrared remote sensing technology to evaluate mining ground damage

International Journal of Coal Science & Technology
Mining-induced ground fissures are common problems associated with mining damage in shallowly buried coal seams in the western mining area of China.
Yixin Zhao, Kangning Zhang, Chunwei Ling, Jihong Guo, Bo Sun   +4 more
doaj   +1 more source

Coal pillar burst mechanism and prevention based on local mine stiffness (LMS) criterion

Meitan kexue jishu
The frequent occurrence of coal burst seriously threatens the safe and efficient recovery of coal resources. The research on the mechanism of coal burst is the basis of prediction and disaster prevention.
Fuqiang GAO, Zhiguo LU, Xiangyuan PENG, Jinfu LOU, Shuwen CAO, Xiaoqing WANG, Chuang LU, Lei YANG   +7 more
doaj   +1 more source

A Cascade Disaster Caused by Geological and Coupled Hydro-Mechanical Factors—Water Inrush Mechanism from Karst Collapse Column under Confining Pressure

Energies, 2017
The water inrush from karst collapse column (KCC) is a cascading, vicious cycle disaster caused by geological and mining activities, that can cause serious casualties and property losses. The key to preventing this risk is to study the mechanism of water
Hao Li, Haibo Bai, Jianjun Wu, Zhanguo Ma, Kai Ma, Guangming Wu, Yabo Du, Shixin He   +7 more
doaj   +1 more source

Self‐Sintering Ionogel Binder for Flexible, Recyclable, and Healable Printed Giant Magnetoresistive Sensors

Advanced Functional Materials, EarlyView.
ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo, Xiaotao Wang, Guannan Mu, Proloy Taran Das, Igor Veremchuk, Conrad Schubert, Aaron D. Cross, Yevhen Zabila, Xuan Peng, Larysa Baraban, Denys Makarov   +10 more
wiley   +1 more source

Discussion on Advanced Seepage Reduction Characteristics of Working Face under Seepage-Damage Coupling

, 2021
The water burst of roof on working face has been one of the significant geotechnical engineering problems that needs to be urgently resolved. The coupling effects of seepage and damage on the amount and intensity of water inrush from the roof are ...
Feisheng Feng, Zhen Yang, Jing Zhang, Dongdong Pang, Jiqiang Zhang   +4 more
core   +1 more source

Discussion on multi-sphere responses and damage reduction-oriented geological guarantees in coal mining

Meitian dizhi yu kantan
ObjectiveCoals serve as a cornerstone for ensuring the energy security of China. However, coal mining activities break the original in situ stress equilibrium, triggering multi-sphere damage conduction and coupling responses in the lithosphere ...
Shuangming WANG, Qiang SUN, Shibo LI, Xin HU, Chao GU, Jishi GENG, Shutao ZHOU, Shihao YUAN, Shijie SONG, Chao NIU, Yun WU, Yang CHEN   +11 more
doaj   +1 more source

Localized Temperature Monitoring in Mouse Brain during Light Delivery via a Non‐Planar Tapered Fiber‐Integrated µRTD Sensor

Advanced Materials, EarlyView.
We report a multifunctional tapered optical fiber integrating a conformal micro‐resistance temperature detector (µRTD) for local, real‐time thermometry during optical stimulation. The platform combines light‐delivery and temperature sensing within a minimally invasive footprint, enabling detection of sub‐degree cortical heating under representative ...
Antonio Balena, Marco Bianco, Barbara Spagnolo, Muhammad Fayyaz Kashif, Alberto Bramati, Massimo De Vittorio, Ferruccio Pisanello   +6 more
wiley   +1 more source

Analysis of economic valuation of environmental damage due to sand mine in Gumulung Tonggoh, Cirebon District, West Java Province, Indonesia [PDF]

, 2018
The sand mines at Gumulong Tonggoh in Cirebon Regency use an open mining system. Open mining activities can cause environmental damage and economic losses.
Saharjo, Bambang Hero, Putra, Muhammad Hafiz Wasis, Wasis, B., Saharjo, B.H., Kusumadewi, F., Utami, N.H. and Putra, M.H.W., Kusumadewi, Fitri, Utami, Nur Hikmah, Wasis, Basuki   +5 more
core   +1 more source