Results 61 to 70 of about 466,249 (277)

Reducing Interfacial Separation Force in High‐Speed Constrained‐Surface Projection Stereolithography Using a Dual‐Modulus Silicone Release Film

Advanced Materials Interfaces, EarlyView.
A dual‐modulus silicone release film creates distributed stress concentrations at high‐/low‐modulus boundaries, triggering multi‐site crack initiation and rapid interfacial detachment. The architecture lowers the peak separation force by 97.6%, shortens detachment time, and enables stable continuous projection stereolithography at 720 mm h−1, offering ...
Xiaogang Li, Xiaoqing Kang, Hong Xiao, Yugang Duan   +3 more
wiley   +1 more source

Rubber‐Glass‐Crystal Triple Phase Transition in Polyacrylamide Hydrogels and Environment‐Adaptive Shape Memory Effect

Advanced Materials Interfaces, EarlyView.
By analyzing the thermal‐mechanical properties and molecular‐scale interactions in polyacrylamide (PAAM) hydrogels, this research demonstrates a rubber‐glass‐crystal phase transition under the combined stimuli of temperature and moisture. Because of these hybrid phase transitions, PAAM hydrogels exhibit shape memory behavior in thermal and moist ...
Shuai Xu, Han Li, Wenjing Lu, Yiheng Xue, Jincheng Lei, Linchun He, Yu Chai, Zishun Liu   +7 more
wiley   +1 more source

Mechanism of Formation of Heterogeneous Dispersed Phase of Greases with Participation of Nanosized Additives and its Influence on Properties of Lubricants

Механика машин, механизмов и материалов, 2020
It is shown that in the case of the formation of the heterogeneous structure of the dispersed phase (DP) of greases, which includes the soap component in the form of a complex salt of high molecular weight and low molecular weight acids and nanosized ...
Viktor I. Zhornik, Anton V. Ivakhnik, Andrey V. Zapolsky   +2 more
doaj   +1 more source

Recent Advances of Slip Sensors for Smart Robotics

Advanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang, Liao Wu, Shuai He, Zhao Sha, Yuwan Huang, Shuying Wu, Dewei Chu, Chun H. Wang, Shuhua Peng   +8 more
wiley   +1 more source

Engine Lubricant Impact in Light-Vehicle Fuel Economy: A Combined Numerical Simulation and Experimental Validation

Lubricants
The optimization of passenger car efficiency is an important contribution to GHG emissions mitigation. This global warming concern is pushing technological solutions to reduce vehicle fuel consumption and consequently CO2 emissions.
Fernando Fusco Rovai, Eduardo Sartori, Jesuel Crepaldi, Scott Rajala   +3 more
doaj   +1 more source

Programmable Pneumatic Actuator System for a Bioinspired Artificial Colon

Advanced Materials Technologies, EarlyView.
A modular soft robotic colon simulator driven by programmable pneumatic actuation is developed to mimic physiological and pathological‐like motility patterns of the large intestine. Finite element–guided design and distributed control enable anatomically realistic deformation for peristalsis, segmentation, and mass movements, supporting capsule ...
Andrew Bickerdike, Bo Tian, Xizheng Fang, Zepeng Wang, Yang Liu, Lucy Adams, Shyam Prasad   +6 more
wiley   +1 more source

Investigating the Effect of Engine Lubricant Viscosity on Engine Friction and Fuel Economy of a Diesel Engine [PDF]

Fuel economy is affected, both by fuel and engine lubricant quality. Engine lubricant quality plays a vital role in reduction of fuel consumption by effective reduction of friction between the contact surfaces of engine parts (piston ring assembly ...
Singh, Devendra
core   +3 more sources

LUBRICANTS FOR THE MANUFACTURE OF SAND-SMOOTHED RODS BY HYDRAULIC TOOLING

Литьë и металлургия, 2018
The article presents the results of research on the development of the lubricant composition for the production of sand-resin rods over a heated tooling with high technological and consumer properties.
E. V. Pivovarchyk, A. MikhaltsovM.
doaj   +1 more source

Soft Robotic Excretory Care Simulator for Nursing Education: Functional and Perceptual Biomimetics Approach

Advanced Robotics Research, EarlyView.
A soft robotic simulator is developed to replicate the digital removal of feces (DRF), a sensitive yet essential nursing procedure. Integrating soft actuators, sensors, and a realistic rectal model, the simulator balances functional fidelity with perceptual realism. Engineering evaluations and nurse feedback confirm its potential to enhance training in
Shoko Miyagawa, Sota Suzuki, Shizuka Watanabe, Zebing Mao, Young Ah Seong, Toshinori Fujie, Tatsuhiro Horii, Kenjiro Tadakuma, Koichi Suzumori, Hiroyuki Nabae, Shingo Maeda   +10 more
wiley   +1 more source

Quantitative Structure-Activity Relationship Study of Fatty Acid Derivatives as Lubricant Additive

Jurnal Rekayasa Kimia & Lingkungan
Fatty acid compounds and their derivatives have been known in tribology as a source of bio-lubricant raw materials. New compounds were developed computationally to sort out the physical properties of the desired lubricant additive before synthesis in the
Rahmawita Sugesti, Komar Sutriah, Mohammad Khotib   +2 more
doaj   +1 more source