|
|
|
|
|
Daniel Preston, Ahmed Ashour, Julian Wright, James Watts, Daniel Sanmartin and Jacques Wood
Creation of statistically significant reference sample sets for validation, optimization, and demonstration of non-destructive testing techniques, particularly for the additive manufacturing sector.
|
|
|
|
|
|
|
|
|
|
|
Makoto Akama and Akira Kiuchi
Rolling contact fatigue cracks in rail and wheel undergo non-proportional mixed mode I/II/III loading. Fatigue tests were performed to determine the coplanar and branch crack growth rates on these materials. Sequential and overlapping mode I and III load...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chunyan Bao, Meng Zhou and Yuexiang Cai
Shale gas is a promising new energy source stored in shale. This research aims to study the laws of rock crack initiation and propagation under the low-temperature fracturing of liquid nitrogen, explore the influencing factors of the shale reservoir frac...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kerrouz Siham, Bourdim Mokhtar, Tamine Tawfik, Bouchtara Mostefa
Pág. 197 - 204
An automobile brake disc brought into contact with the pads, mechanical stresses are imposed on the contact surface. These stresses can cause degradation by fatigue, rupture, wear, propagation of cracks. Modeling the numerical results makes it possible t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaochuan Jiang, Jun Wang, Ying Zhang and Shenxue Jiang
This paper reports on investigations of the air-coupled ultrasonic (ACU) method to detect common defects in solid timber panels made of Chinese fir (Cunninghamia lanceolata (Lamb.) Hook.). The ACU technology is a non-contact method for nondestructive tim...
ver más
|
|
|
|
|
|
|
|
|
|
|
Guangya Zhu, Chongyu Wang, Wei Zhao, Yonghui Xie, Ding Guo and Di Zhang
The diagnosis of blade crack faults is critical to ensuring the safety of turbomachinery. Blade tip timing (BTT) is a non-contact vibration displacement measurement technique, which has been extensively studied for blade vibration condition monitoring re...
ver más
|
|
|
|
|
|
|
|
|
|
|
James Marcus Griffin, Steven Jones, Bama Perumal and Carl Perrin
Welding inspection is a critical process that can be severely time-consuming, resulting in productivity delays, especially when destructive or invasive processes are required. This paper defines the novel approach to investigate the physical correlation ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jingjing Fu, Zhichao Cui, Yongsheng Chen, Chunsong Guan, Mingjiang Chen and Biao Ma
The compression molding performance of a substrate block has a significant effect on the quality and stability of mechanical transplanting. The physical experiment and DEM simulation were combined to evaluate the compression molding behavior of substrate...
ver más
|
|
|
|
|
|
|
|
|
|
|
George Xiroudakis, George Saratsis and Ilias Lazos
This paper uses the displacement discontinuity method, one of the boundary element methods, to solve two major engineering problems. The first one addresses the safe design of underground excavations in fractured rock masses. The implemented method was u...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tiankai Li, Haiyang Long, Changming Qiu, Mingming Wang, Dongdong Li, Zhen Dong and Yongliang Gui
When laser cladding is used to repair parts, the interaction of parameters has a significant influence on equipment performance. In order to explore the process parameters and quality of Ni60PTA coating, the statistical relationship between the process p...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jihong Li, Longyu Lei, Mingke Du, Zhiqiang Zhang and Min Zhang
Due to the huge difference in thermophysical properties, it is difficult to obtain a defect-free bonding interface between copper and steel. A Cu-Ni-Ti interlayer was added between a TiC-reinforced copper matrix composite coating and Q235 steel in this s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sizeng Zhao, Fei Kang and Junjie Li
Cracks are the main damages of concrete structures. Since cracks may occur in areas that are difficult to reach, non-contact measurement technology is required to accurately measure the width of cracks. This study presents an innovative computer vision s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohammed Abbas Mousa, Mustafasanie M. Yussof, Ufuoma Joseph Udi, Fadzli Mohamed Nazri, Mohd Khairul Kamarudin, Gerard A. R. Parke, Lateef N. Assi and Seyed Ali Ghahari
A vision-based approach has been employed in Structural Health Monitoring (SHM) of bridge infrastructure. The approach has many advantages: non-contact, non-destructive, long-distance, high precision, immunity from electromagnetic interference, and multi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Feng Hu, Zhiqing Li, Yifan Tian and Ruilin Hu
Construction operations in cold regions may encounter frozen geomaterials. In construction, it is important to understand the processes by which geomaterials fail under common loading conditions to avoid accidents and work efficiently. In this work, an a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Galina Antonovskaya, Natalia Kapustian, Irina Basakina, Nikita Afonin and Konstantin Moshkunov
In this article, we suggest a new type of seismic source for surveying both structure state and foundation soil conditions regardless of the level of seismic noise. In our opinion, powerful industrial equipment can be treated as seismic sources. We descr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Viacheslav Kopylov,Oleg Kuzin,Ni?kolay Kuzin
Pág. 14 - 22
Polycrystalline metal systems in the samples made of steel 40X with different morphology and parameters of the distribution of large-angle grains boundaries for energy have been examined. The effect of the structural-energy state of grains boundaries on ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bin Ma, Xinchao Ding and Xingzhou Chen
The excavation-unloading damage effects of western high-geostress slopes on rock were explored by testing the pre-peak confining pressure unloading sandstone reloading mechanical properties. The deformation and failure mechanisms were studied from a meso...
ver más
|
|
|
|
|
|
|
|
|
|
|
André Luiz Ferreira Carvalho Melo, Marcelo Teixeira Carneiro, Alan Ícaro Sousa Morais, Bartolomeu Cruz Viana, Francisco Eroni Paz Santos, Josy Anteveli Osajima, Roosevelt D. S. Bezerra, Ramón Raudel Peña-Garcia, Luciano C. Almeida, Santiago Medina Carrasco and Edson C. Silva-Filho
Water pollution remains a global problem that urges researchers to develop new technologies aimed at environmental restoration. Here, this study aimed at obtaining an activated biochar from pequi almonds for dye removal. Before and after adsorption, the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chuanqing Geng, Wenxiong Shi, Zhanwei Liu, Huimin Xie and Wei He
As a revolutionary new technique, laser-engineered net shaping (LENS) is a layer additive manufacturing process that enables accurate, rapid and automatic repair of industrial component damage. In the laser repair (LR) process or in service, surface crac...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dong Duan, Xiaoyu Chen, Xiaojing Feng, Xin Wang and Jiang Sun
In order to study the damage evolution law and failure mechanism of mudstone under different stress states, with the help of high-resolution CT scanning equipment, in situ CT scanning experiments of mudstone under uniaxial compression were carried out. C...
ver más
|
|
|
|
|
|