Results 91 to 100 of about 44,040 (298)

Cause analysis of surface micro-cracks on 12Mn pipeline steel

, 2022
In order to find out the causes of defects in 12Mn pipeline steel produced by a Chinese steel pipe plant, the characteristics of the defects are analyzed and discussed by means of metallographic microscope, scanning electron microscope, ASPEX scanning ...
Shengtao Qiu, Shaoyang Chu, Rong Zhu, Lijun Xu, Jun Wei, Yushi Tian   +5 more
core   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

Advanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran, Vincent Nebel, Dominik Perius, Kshitij Kumar, Yannis Heim, Laura Bies, Tobias Kraus   +6 more
wiley   +1 more source

Evaluation on micro-cracks development and damage of concrete under axial compressive load

, 2012
Laws of changing of microstructure and development of micro-cracks in concrete are revealed at macroscopical level by determination of longitudinal residual strains and calculation of specific crack area.
Zhao, Tiejun, Wang, Yutian, Tan, Ming, Jiang, Fu-xiang, Meng, Lingbo   +4 more
core   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

Advanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele, Hossein Ipakchi, Tizazu H. Mekonnen   +2 more
wiley   +1 more source

High-resolution tomography of cracks, voids and micro-structure in greywacke and limestone

, 2008
Rocks are commonly very heterogeneous materials. Randomly distributed micro-flaws inside the rock are believed to initiate tensile cracks from which shear fractures develop and coalescence through en echelon interactions leads to fracture. In this paper,
Manke, I., Riesemeier, Heinrich, Tiedemann, J., Zabler, S., Thermann, K., Riesemeier, H., Rack, A., Harthill, N.   +7 more
core   +1 more source

Microstructure Evolution and Impedance Spectroscopy Characterization of Thermal Barrier Coating Exposed to Gas Thermal-shock Environment

Cailiao gongcheng, 2017
Gas thermal-shock experiment of thermal barrier coatings (TBCs) was carried out in air up to 1250℃ in order to simulate the thermal cycling process of the engine blades during the start heating and shut down cooling.
CHEN Wen-long, LIU Min, ZHANG Ji-fu, SONG Jin-bing   +3 more
doaj   +1 more source

Influence of Geometric Design on Mechanical Performance of Auxetic Metastructure

Advanced Engineering Materials, EarlyView.
Strategic geometric reinforcement transforms auxetic performance. This study evaluates 3D‐printed arrowhead metastructures, revealing that a modified design with local ring reinforcement suppresses premature failure to achieve superior energy absorption and structural efficiency.
Muhammad Gulzari, Supharoek Sornsomrit, Muhammad Ayaz Akbar, Stephan Rudykh   +3 more
wiley   +1 more source

Microscopic study of stress effects around micro-crack tips using a non-contact stress-induced light scattering method

AIP Advances, 2016
Fine-polishing techniques may cause micro-cracks under glass substrate surfaces. According to highly requirement from production field, a thermal stress-induced light scattering method (T-SILSM) was successfully developed for a non-contact inspection to ...
Y. Sakata, N. Terasaki, K. Nonaka
doaj   +1 more source

Microbes: A Remedy for Micro Cracks of Concrete

International Journal For Multidisciplinary Research
Crack formation is a very common phenomenon in concrete structures, which allows the entry of water and different type of chemicals into the concrete through the cracks and decreases their durability, strength and, which also affect the reinforcement when it comes in contact with water, CO2 and other chemicals. For repairing the cracks developed in the
Atif Baig Mirza -, Avinash Tupe -, Hari Thombre -, Dipa Dudhani -   +3 more
openaire   +1 more source

A Dislocation Perspective on Strength and Toughness in Ceramics

Advanced Engineering Materials, EarlyView.
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley   +1 more source