Results 131 to 140 of about 7,077 (278)

Key Challenges for Commercializing Perovskite–Silicon Tandem Solar Cells

open access: yesCarbon Energy, EarlyView.
This review discusses the scientific and technological challenges in advancing perovskite–silicon tandem solar cells (PSTSCs) from lab‐scale to commercial viability, focusing on long‐term stability, scalability, and economic feasibility. Key issues include intrinsic and extrinsic degradation factors, installation conditions, environmental impacts, and ...
Bilal Mehmood   +16 more
wiley   +1 more source

Reverse Engineering and Performance Evaluation of a Pump Impeller Fabricated With Additive Manufacturing

open access: yesChemie Ingenieur Technik, EarlyView.
This study explores the process chain for reverse engineering and additive manufacturing of a water pump impeller in a process plant. Key aspects include digital twin creation, CAD redesign, material certification, Hirtisation postprocessing, and performance testing. Insights highlight iterative design for improved precision and reliability.
Michael Stadler   +3 more
wiley   +1 more source

Effects of arc mode on morphology, microstructure and mechanical properties of titanium alloy wire arc additive manufacturing

open access: yesJournal of Materials Research and Technology
Wire arc additive manufacturing (WAAM) offers a practical approach for the manufacture of large, complex, and specialized components for structural applications, with high deposition efficiency and cost-effectiveness.
Yi Feng   +4 more
doaj   +1 more source

Modelling of Wire Arc Additive Manufactured Product Cost

open access: yesProcedia Computer Science, 2023
Samruddha Kokare   +2 more
openaire   +1 more source

Enhancing hydrogen evolution reaction by harnessing bubble dynamics regulation: Principles, methods, and outlook

open access: yesDroplet, EarlyView.
Bubble dynamics pose critical bottlenecks to hydrogen evolution reaction efficiency, causing active site isolation, increased ohmic resistance, and concentration overpotential, especially at high current densities. This review comprehensively summarizes passive and active bubble manipulation strategies, elucidates their underlying principles, and ...
Ziwei Guo   +10 more
wiley   +1 more source

Effect of direct aging on microstructure and properties of 18Ni350 maraging steel fabricated by wire arc additive manufacturing

open access: yesCailiao gongcheng
The 18Ni350 maraging steel(M350) straight-wall component is fabricated using wire arc additive manufacturing(WAAM) process. By employing direct aging heat treatment, the microstructure and mechanical properties of M350 are controlled.
DUAN Mengwei   +8 more
doaj   +1 more source

Motion planning and control of an installation robot for attitude adjustment of arc parts in underground shield tunneling

open access: yesDeep Underground Science and Engineering, EarlyView.
Inspired by spiders, the multilegged walk‐through assembling robot for arc parts achieves high‐precision synchronous control under heavy loads through dual‐layer hydraulic pose dynamics modeling and hierarchical pressure optimization, significantly enhancing shield tunneling assembly efficiency and precision.
Quan Xiao   +5 more
wiley   +1 more source

CoFeNi twisted wire + Al wire arc additive manufacturing of AlCoFeNi eutectic and near-eutectic high entropy alloys

open access: yesJournal of Materials Research and Technology
This paper is the first attempt to fabricate eutectic high entropy alloy (EHEA) using dual-wire arc additive manufacturing (D-WAAM) technology with twisted wire + single wire.
Yifei Huang   +5 more
doaj   +1 more source

A Finite Element Study of Wire Arc Additive Manufacturing of Aluminum Alloy

open access: yes
Analyses in the present work focus on understanding the influence of the WAAM (wire arc additive manufacturing) deposition pattern and travel speed on residual stress and warpage in aluminum alloy. The thermal profiles are analyzed using thermomechanical
Yousung Han
core   +1 more source

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy