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Direct Manufacturing of Net-Shape Functional Components by Laser Consolidation Process (Invited Paper)

中国激光 2009年第12期36卷 3179-3191页

作者： Lijue Xue Industrial Materials Institute National Research Council of Canada 800 Collip Circle London Ontario N6G 4X8 Canada

Laser consolidation(LC) is a novel computer-aided manufacturing process developed by the Industrial Materials Institute of National Research Council of Canada(NRC-IMI).This rapid manufacturing process produces net-shape functional metallic parts layer-by-layer directly from a computer aided design(CAD) model by using a laser beam to melt the injected powder and re-solidifying it on the substrate or previous *** an alternative to the conventional machining process,this novel manufacturing process builds net-shape functional parts or features on an existing part by adding instead of removing *** this review paper,LC of CPM-9V tool steel,Ni-based IN-625 and IN-718 superalloys,and Ti-6Al-4V alloy will be *** microstructures and functional properties of these laser consolidated materials will be examined along with several potential industrial applications.

关键词：算机辅助制造工艺激光技术加工过程激光束

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High-Performance Quasi-Solid-State Pouch Cells Enabled by in situ Solidification of a Novel Polymer Electrolyte

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Energy & Environmental Materials 2023年第4期6卷 15-21页

作者： Qingwen Lu Changhong Wang Danni Bao Hui Duan Feipeng Zhao Kieran Doyle-Davis Qiang Zhang Rennian Wang Shangqian Zhao Jiantao Wang Huan Huang Xueliang Sun Glabat Solid-State Battery Inc. 700 Collip CircleLondon ON N6G 4X8Canada Department of Mechanical and Materials Engineering University of Western OntarioLondon ON N6A 5B9Canada China Automotive Battery Research Institute Co LtdBeijing 101407China

Conventional lithium-ion batteries(LIBs)with liquid electrolytes are challenged by their big safety concerns,particularly used in electric ***-solid-state batteries using solid-state electrolytes have been proposed to significantly improve safety yet are impeded by poor interfacial solid–solid contact and fast interface *** a compromising strategy,in situ solidification has been proposed in recent years to fabricate quasi-solid-state batteries,which have great advantages in constructing intimate interfaces and cost-effective mass *** this work,quasi-solid-state pouch cells with high loading electrodes(≥3 m Ah cm^(-2))were fabricated via in situ solidification of poly(ethylene glycol)diacrylate-based polymer electrolytes(PEGDA-PEs).Both single-layer and multilayer quasi-solid-state pouch cells(2.0 Ah)have demonstrated stable electrochemical performance over500 *** superb electrochemical stability is closely related to the formation of robust and compatible interphase,which successfully inhibits interfacial side reactions and prevents interfacial structural *** work demonstrates that in situ solidification is a facile and cost-effective approach to fabricate quasi-solid-state pouch cells with both excellent electrochemical performance and safety.

关键词： high areal capacity high-energy-density pouch cells in situ solidification poly(ethylene glycol)diacrylate-based polymer electrolyte

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Surface Modification of AZ91 Magnesium Alloy

Surface Modification of AZ91 Magnesium Alloy

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Second International Conference on Magnesium(ICM 2006)

作者： Joy Gray Woo-Jae Cheong David Shoesmith Integrated Manufacturing Technologies Institute National Research Council Canada 800 collip circle London Ontario N6G 4X8 Chemistry Department University of Western Ontario London Ontario N6A 5B7 Canada Chemistry Department University of Western Ontario London Ontario N6A 5B7 Canada

Mg is the lightest structural metal with the highest specific strength. It is therefore considered as a solution for vehicular mass reduction so as to reduce the fuel consumption and greenhouse gas emission. Unfortunately, Mg and its alloys are highly susceptible to corrosion, particularly in salt-spray conditions. This has limited its use in the automotive and aerospace industries, where exposure to harsh service conditions is unavoidable. To improve its corrosion resistance it is viable to apply a desirable engineering coating on the Mg *** communication discusses the practical aspects of magnesium surface modification based on our review. A novel immersion coating process is also discussed along with the corrosion behavior of coated and uncoated AZ91 magnesium alloy.

关键词： AZ91 , Surface modification

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