Results 41 to 50 of about 147,056 (305)

Rapid Prototyping of PEM Fuel Cell Bi-Polar Plates using 3D Printing and Thermal Spray Deposition [PDF]

, 2005
This article presents the results of exploratory research on novel methods for the fabrication of functional, metallic, gas flow, bi polar plates (BPP) for use in proton exchange membrane fuel cells (PEMFC). Low cost, high speed, additive manufacturing
Batalov, Marat, Das, Suman, Lyons, Brett, Mohanty, Pranavasu   +3 more
core   +1 more source

Laser‐Assisted Processing and Modification of Bioactive Glasses: A Review

Advanced Healthcare Materials, EarlyView.
Laser technologies provide powerful tools to process and transform bioactive glasses for advanced biomedical applications. This review discusses laser‐matter interaction mechanisms, laser surface engineering, and laser‐assisted fabrication of scaffolds and nanofibers.
Antonio Riveiro, Mario González‐Quintas, Mónica Fernández‐Arias, Jesús del Val, Félix Quintero, Rafael Comesaña, Fernando Lusquiños, Julian R. Jones, Juan Pou   +8 more
wiley   +1 more source

Effect of Zirconia-Modified Magnesia Investment on the Casting of Pure Titanium

Kaohsiung Journal of Medical Sciences, 2003
Several investigations have examined magnesia-based investments for pure titanium casting. However, the thermal expansion value was insufficient at low casting temperatures and high interfacial reactivity occurred at high casting temperatures.
Chun-Cheng Hung, Guey-Lin Hou, Chi-Cheng Tsai, Ching-Cheng Huang   +3 more
doaj   +1 more source

Positively Charged Polymer‐Brush MOFs for Large‐Area, Pressure‐Resistant Gas Separation Membranes

Advanced Materials, EarlyView.
A universal POPA strategy enables positively charged polymer‐brush MOFs with self‐adaptive interfacial interlocking to resist aggregation under fast processing. This design ensures seamless dispersion within large‐area selective layers, achieving 1 m‐wide roll‐to‐roll fabrication of pressure‐resistant MMCMs with tunable CO2 separation performance ...
Yi Yang, Ye Yuan, Yuxiu Sun, Fei Shi, Chenyang Song, Weifan Wang, Qinghua Li, Menglong Sheng, Zhihua Qiao, Jingwei Hou, Anthony K. Cheetham, Zhi Wang   +11 more
wiley   +1 more source

Direct rapid prototyping evaluation on multijet and fused deposition modeling patterns for investment casting [PDF]

, 2016
The continuation from rapid prototyping into rapid tooling technologies allows speedy fabrication of sacrificial patterns for investment casting process.
Marwah, Omar Mohd Faizan
core  

Advanced Separators for Liquid and Quasi‐Solid Lithium Rechargeable Batteries: Design and Development

Advanced Materials, EarlyView.
This review traces the evolution of lithium‐ion battery separators from passive barriers to multifunctional components central to cell safety and performance. Polymer‐ceramic hybrids, nanofiber architectures, and bio‐derived membranes deliver ionic conductivities above 3 mS cm−1, thermal stability beyond 200 °C, and effective suppression of lithium ...
Karthik Vishweswariah, Ningaraju Gejjiganahalli Ningappa, Anil Kumar M. R., Jeremy I. G. Dawkins, Thiago M. G. Selva, Karim Zaghib   +5 more
wiley   +1 more source

Present state of investment casting technology [PDF]

, 2014
Rešerše zaměřená na nejmodernější zařízení a suroviny používané v technologii vytavitelného modelu se zaměřením na výrobu voskového modelu, keramické skořepiny, vytavování vosku a tepelného zpracování keramické formy před odlitím.Survey of the most ...
Matoušek, Roman
core  

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Improvement in collapsibility of ZrO2 ceramic mould for investment casting of TiAl alloys [PDF]

China Foundry, 2011
Investment casting has been widely recognized as the best option in producing TiAl components with key benefits of accuracy, versatility and integrity. The collapsibility of ceramic moulds for investment casting is critical in the manufacturing process ...
Chen Yanfei, Xiao Shulong, Tian Jing
doaj  

Improved Mechanical Properties of Casting Made by New LPIC Technology [PDF]

Archives of Foundry Engineering
Nowadays, the emphasis is on improving the integrity of precision castings of Fe, Ni and Co alloys (improving the mechanical properties of the material and increasing process efficiency) more than ever before.
O. Vrátný, A. Herman, V. Novák, P. Chytka, M. Jarkovský, Z. Kopanica, J. Zeman   +6 more
doaj   +1 more source