Results 131 to 140 of about 21,176 (299)

Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments

Al-Khawarizmi Engineering Journal, 2013
This research involves studying the mechanical properties and corrosion behavior of “low carbon steel” (0.077wt% C) before and after welding using Arc, MIG and TIG welding. The mechanical properties include testing of microhardness, tensile strength, the
Mohamed Mahdy, Majid H. Abdulmajeed, Rana A.Majed   +2 more
doaj  

Establishment on the chloride resistant clad rebar weld process in simulated seawater

Case Studies in Construction Materials
To enhance the weld process of the new type of clad rebar construction in the marine environment, the weld process of the clad rebar was established. Four different weld processes were used to weld the clad rebars. The microscopy of the welded joints was
Zecheng Zhuang, Weiping Lu, Zhe Gou, Lei Zeng, Rifeng Wang, Xuehai Qian, Erte Lin, Zhen Li, Yong Xiang, Jianping Tan   +9 more
doaj   +1 more source

One‐Shot Multimaterial 3D Printing of a Flexible Spine for a Robotic Fish Prototype

Advanced Intelligent Systems, EarlyView.
A one‐shot multimaterial 3D printing approach enables a monolithic soft robotic fish integrating a compliant spine and rigid vertebrae. Electromagnetic linear actuators drive tendon‐based transmission, producing controlled tail oscillations. Finite element modeling and experiments show strong agreement, while optimized material selection improves ...
Marco Colletta, Alessio Pricci, Luca Di Leo, Gianluca Percoco   +3 more
wiley   +1 more source

Artificial neural network optimisation of shielding gas flow rate in gas metal arc welding subjected to cross drafts when using alternating shielding gases

, 2015
This study implemented an iterative experimental approach in order to determine the shielding gas flow required to produce high quality welds in the gas metal arc welding (GMAW) process with alternating shielding gases when subjected to varying ...
Ley, F.H., Campbell, Stuart, Galloway, Alexander, McPherson, Norman   +3 more
core   +1 more source

Scaling of Planar Sodium‐Nickel Chloride Battery Cells to 90 cm2 Active Area

Batteries &Supercaps, Volume 8, Issue 3, March 2025.
Large planar Na β′′ alumina electrolytes are prepared by tape‐casting and die‐pressing. These ceramic electrolytes are used to prepare planar sodium‐nickel chloride cells with 90 cm2 active area, providing a high capacity of 7 Ah. Successful cell cycling is demonstrated at 300 °C at rates up to C/4 (20 mA cm−2) for a cumulative capacity of 3.6 Ah cm−2.
T. Lan, E. Svaluto‐Ferro, N. Kovalska, G. Graeber, F. Vagliani, D. Basso, A. Turconi, M. Makowska, G. Blugan, C. Battaglia, M. V. F. Heinz   +10 more
wiley   +1 more source

From Material Tensions to Organizational Paradoxes: How Manufacturers Cope With the Limits of Circular Product Design

Business Strategy and the Environment, EarlyView.
ABSTRACT Circular product design (CPD) is central to advancing the circular economy by enabling the narrowing, slowing, and closing of resource flows. Yet, its implementation remains persistently challenging for firms. Prior research has largely framed these challenges as discrete barriers, overlooking the structural contradictions embedded in CPD ...
Vanessa Robertson, Nelly Rahimy, Suleika Bort   +2 more
wiley   +1 more source

Butt fusion welding of polyethylene pipes

, 1997
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The butt fusion process is extensively used in the joining of polyethylene (PE) pipes by the water and gas industries.
Rashid, Haroon
core  

Numerical simulation study on the characteristics and propagation attenuation of vibration signals in freezing pipe fracture

Deep Underground Science and Engineering, EarlyView.
This research study employs analysis system (ANSYS) fluid–structure interaction simulations to investigate the generation and attenuation of vibration signals resulting from freezing pipe fractures in artificial ground freezing projects. By evaluating key variables—including frozen soil elastic modulus, brine inlet pressure, and external pipe pressure ...
Yi Cao, Yansen Wang, En Chen, Meng Zhao
wiley   +1 more source

Constant current vs. constant power control in AC resistance spot welding

, 2015
Constant current control (CCC) and constant power control (CPC) are two of the most popular control strategies employed in resistance spot welding (RSW).
Yao P, Zhou K(周亢), Cai LL
core   +1 more source

Design of High‐Performance MnCo1.5Cu0.5O4 Spinel Contact Material with Optimized Electrical Conductivity and Thermal Stability for Solid Oxide Electrolysis Cells by Cu Doping

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Cu‐doped spinel MnCo1.5Cu0.5O4 exhibits excellent conductivity and stability as SOC contact material. After 1000‐h aging at 850 °C, the contact layer maintains a 10 mΩ cm2 ASR value, and a single‐cell stack achieves a H2O/CO2 co‐electrolysis power density of 0.52 W cm−2.
Haozhen Li, Shuai Yuan, Xingtong Mao, Hao Shi, Hengyong Tu, Chao Ma, Lei Zhu, Zhen Huang   +7 more
wiley   +1 more source