Evolution of plastic deformation during multi-pass ECAP of an AA6060 aluminum alloy – An experimental flow line analysis by Nadja Berndt, Nadja A. Reiser, Martin F.-X. Wagner

“…In this study, we use a method for visio-plastic analysis of the local deformation during ECAP of the aluminum alloy AA6060 via different processing routes in a friction-optimized tool with a tool angle of 90°: Prior to the final pass, the billets are cut lengthwise and prepared with a grid of indents on the inside. …”
Get full text

The Effect of Length and Content of Fiber on Glass Fiber and Basalt Fiber-Reinforced Granite Residual Soil by Weijie Chen, Jin Zhao, Litao Fan, Jia Li, Bingxiang Yuan, Hongzhong Li, Guoping Jiang, Hanbo Li, Tianying Chen

“…SEM results indicate that glass fibers bind the soil particles more closely, thereby increasing their friction and leading to higher compressive strength. …”
Get full text

Mixed and Forced Convection Heat Transfer in Baffled Channels: A Brief Review by Rabah Henniche, Abdelkader Korichi

“…This paper treated the effects of different baffle shapes incorporated in channels on heat transfer rate, efficiency and friction factor in mixed and forced convection cases. …”
Get full text

Transverse Carpal Ligament and Forearm Fascia Release for the Treatment of Carpal Tunnel Syndrome Change the Entrance Angle of Flexor Tendons to the A1 Pulley: The Relationship bet... by Nazım Karalezli, Harun Kütahya, Ali Güleç, Serdar Toker, Hakan Karabörk, Tunc C. Ogun

“…Our results support that transverse carpal ligament and forearm fascia release may be a predisposing factor for the development of trigger finger by the effect of changing the enterance angle to the A1 pulley and consequently increase the friction in this anatomic area. Clinical Relevance. …”
Get full text

An Investigation on Speed Control of a Spindle Cluster Driven by Hydraulic Motor: Application to Metal Cutting Machines by Ngoc Hai Tran, Cung Le, Anh Dung Ngo

“…In the model, the V-belt is assumed as an elastic module, and the friction coefficient and mass inertia moment of the hydraulic motor are considered as constant. …”
Get full text

Optimisation of Longitudinal Seismic Energy Dissipation System for Straddle-type Monorail-Cum-Road Long-Span Cable-Stayed Bridge by Xiong Liang, Baomu Li, Xiaolu Liu, Linong Liang

“…The damping effect was better when the damping coefficient c ranged from 3500 to 5000 kN⋅m/s−α and the velocity exponent α ranged from 0.35 to 0.5. The static friction of the straddle-type monorail-cum-road long-span cable-stayed bridge support can resist the trains’ braking force, and the parameters of the viscous damper can be selected regardless of train braking. …”
Get full text

Shear Mechanical Behaviours and Multistrength Parameter Characteristics of Fault Gouge by Han Bao, Qun Qi, Hengxing Lan, Changgen Yan, Wei Xu, Xin Liu, Langping Li

“…With the increase of water content, there will be a significant weakening on cohesion and friction angle. A new parameter, the “Normal Stress Threshold (NST),” is introduced as a critical value for the emergence of the strain hardening phenomenon, and the NSTs of different fault gouges are significantly different. …”
Get full text

Study on the Motion Patterns of Nested Test Cabin and Its Shock Response Spectrum Analysis by Wei Wu, Wei Luo, Xing Liu, Jia Cui, Pengyu Zhang

“…Under the conditions of keeping the gunpowder combustion model, the friction coefficient between the inner and outer cabins, and the mass of the cabins unchanged, the special acceleration curve and its frequency spectrum and the impact response spectrum of the pseudo-velocity are analyzed. …”
Get full text

The Scale Effect of Coarse-Grained Materials by Triaxial Test Simulation by Xiaotao Ai, Guangjin Wang, Xiangyun Kong, Bo Cui, Bin Hu, Hongling Ma

“…If particle breakage and migration were assumed to be neglected, the internal friction angle φ and dmax would be roughly proportional, the cohesive force c fluctuated with the increase of dmax, and the empirical relations between dmax and c and φ were established, respectively, which provides a reference for estimating the actual shear strength parameters of coarse-grained materials on-site. …”
Get full text

Determination of the Engineering Properties of Submarine Soil Layers in the Bohai Sea Using the Piezocone Penetration Test by Bohong Wu, Guihe Wang, Jiong Li, Yu Wang, Baolin Liu

“…The Wison-APB borehole wireline piezocone penetration test (CPTU) system was used to conduct direct measurements of the cone tip resistance, sleeve friction, and pore pressure. The soil classification and the related soil properties, such as the undrained shear strength, sensitivity and overconsolidation ratio, shear strength profile at the investigation depths, and the single pile foundation bearing capacity, were estimated. …”
Get full text

Device and Measuring Method the Moments of Rolling Resistance Forces on the Contact Spot by I. Z. Gilavdary, S. Mekid, N. N. Riznookaya

“…Currently, the study of rolling friction is one of the main directions in the study of the laws of contact interaction of solids. …”
Get full text

Implantation of Heparin-Conjugated Fibrin Hydrogel for Local Defects of Cartilage in Knee Osteoarthritis: A Case Report by Toktarov T, Raimagambetov Y, Balbossynov B, Saginova D, Abilmazhinov M, Ogay V

“…Cartilage also serves as a gliding surface for the joints, allowing them to move smoothly, which minimizes friction between the bones. Its damage can cause pain, swelling, and decreased joint function. …”
Get full text

Analysis of water based Casson hybrid nanofluid (NiZnFe2O4+MnZnFe2O4) flow over an electromagnetic actuator with Cattaneo–Christov heat-mass flux: A modified Buongiorno model by S. Baskaran, R. Sowrirajan, S. Divya, S. Eswaramoorthi, K. Loganathan

“…The implication of key parameters on both direction velocities, temperature, nanofluid concentration, skin friction coefficients, local Nusselt number, and Sherwood number are displayed graphically. …”
Get full text

Application of GA-BP Neural Network Optimized by Grey Verhulst Model around Settlement Prediction of Foundation Pit by C. Y. Liu, Y. Wang, X. M. Hu, Y. L. Han, X. P. Zhang, L. Z. Du

“…After the correspondence between real-time excavation depth and the excavation time is obtained, the internal friction angle, cohesion, bulk density, Poisson’s ratio, void ratio, water level changes, permeability coefficient, number of supports, and excavation depth, which can influence the settlement, are taken to be considered in this study. …”
Get full text

Multiple Parameters Determination Method of Hardening Soil Model Based on Particle Swarm Optimization by Jingfeng Xiao, Qunwei Wang, Qianhui Zhang, Yunpeng Hei, Youliang Zhang

“…The objective function entails quantifying the disparity between stress–strain curves obtained from various parameters and experimental curves while iteratively searching for five crucial parameters of soil-hardening models: effective internal friction angle φ, effective cohesion, failure ratio Rf, stiffness level-dependent power exponent, and standard triaxial-drained test secant stiffness E50ref. …”
Get full text

Wear-resistant Ti/TiCp composite coatings via synchronous powder supplied wire arc additive manufacturing by Xinxin Guo, Ming Ma, Shuaifeng Zhang, Zhengying Wei

“…As the current increases, the number of in-situ primary TiC grains in the matrix increases, and many coarse dendritic structures can be observed. The dry sliding friction tests revealed that the larger unmelted TiC particles help support the load and resist shear forces. …”
Get full text

Experimental Study and Failure Mechanism Analysis of Rubber Fiber Concrete under the Compression-Shear Combined Action by Juntao Zhang, Zhenpeng Yu, Xinjian Sun, Guangli Zhang, Wenguo Pan

“…With the increase of the axial compression ratio, the failure mode in the shear direction gradually developed from a relatively straight crack to a main crack accompanied by a certain amount of axial cracks; meanwhile, the number of concrete slags on the shear failure section was gradually increased and the friction marks were gradually deepened. The addition of rubber particles increased the randomness and discreteness of the concrete upon failure, while fibers inhibited the development of oblique micro-cracks and the dropping of concrete slags. …”
Get full text

DESIGN DEVELOPMENT OF THE WATER SUPPLY WELLS AND METHODS OF THEIR CAPITAL REPAIR by V. V. Ivashechkin

“…In which they offer to determine frictional force of the mudded filter against the formation from calculating formulae of the supporting power of an augered pile working with pulling loads. …”
Get full text

Rib Spalling 3D Model for Soft Coal Seam Faces with Large Mining Height in Protective Seam Mining: Theoretical and Numerical Analyses by Shuai Liu, Ke Yang, Tong Zhang, Chunan Tang

“…The results show that the failure is mainly related to the roof load, coal cohesion, internal friction angle, coal seam inclination, and sidewall protecting force. …”
Get full text

Endothermic and exothermic reactions and stagnation point nanofluid flow over a porous stretched surface with a revised Buongiorno model by R.P. Ashrith, K.V. Nagaraja, P. Nimmy, Pinank Patel, Ankur Kulshreshta, J.K. Madhukesh, Chander Prakash

“…The concentration profile boosts with the thermophoresis parameter and drops as the Brownian motion parameter increases. Skin friction remains constant across various parameters, but heat and mass transfer exhibit variations. …”
Get full text