POWDER

作品数：1096被引量：1805H指数：15
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Impact of atomization methods on aluminum alloy powder characteristics and 3D printing performance in laser directed energy deposition process
《Transactions of Nonferrous Metals Society of China》2025年第4期1057-1074,共18页Gang RUAN Yu-dong LIANG Gan LI Ying JIN Xing-gang LI 
supported by the National Natural Science Foundation of China(No.52074157);Department of Education of Guangdong Province,China(No.2023KTSCX121);Shenzhen Science and Technology Programs,China(Nos.JSGG20210802154210032,JCYJ20210324104608023,JSGG20180508152608855)。
A comparative study on the performance of gas atomized(GA)and rotating-disk atomized(RDA)aluminum alloy powders produced on industrial scale for laser directed energy deposition(L-DED)process was carried out.The powde...
关键词：metal additive manufacturing rotating disk atomization gas atomization AlSi10Mg powder powder feedstocks 
Enhancing the spatter-removal rate in laser powder-bed fusion using a gas-intake system with dual inlets
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2025年第3期252-265,共14页Xin TIAN Junwei ZHONG Youwen YANG Chaolei ZHANG Long ZHAO 
supported by the Natural Science Foundation of Jiangxi Province(Nos.20224BAB214061 and 20224ACB214008);the National Natural Science Foundation of China(Nos.52165043 and 52166002);the Jiangxi Provincial Cultivation Program for Academic and Technical Leaders of Major Subjects(No.20225BCJ23008);the Anhui Provincial Natural Science Foundation(No.2308085ME171);the University Synergy Innovation Program of Anhui Province(Nos.GXXT-2023-025 and GXXT-2023-026),China。
Mounds of spatter are generated in laser powder-bed fusion(L-PBF)additive manufacturing,which reduces build quality and laser lifetime.Due to the lack of supplemental airflow above the chamber,the conventional build c...
关键词：Laser powder-bed fusion(L-PBF) Computational fluid dynamics(CFD) Flow field simulation Structural optimization Coanda effect 
Recoater design for a helical motion binder jet additive manufacturing 3D printer
《Particuology》2025年第3期142-153,共12页Tarek Mesto Tugdual Le Néel Jean-Yves Hascoet 
Binder jet additive manufacturing is used for producing molds and cores for sand casting,by using granular material and proper binder.The conventional system uses a layer-by-layer gantry motion.The new continuous prin...
关键词：Binder jet Additive manufacturing Powder granular material DEM calibration Angle of repose Helical motion 
CO_(2)removal with enhanced wollastonite weathering in acidic and calcareous soils
《Soil Ecology Letters》2025年第1期121-131,共11页Chenxia Su Ronghua Kang Wentao Huang Ang Wang Xue Li Kai Huang Qiang Zhou Yunting Fang 
financially supported by the National Key Research and Development Program of China(Grant No.2023YFD1500800);the Liaoning Province“Doctoral Scientific research Foundation”Project(Grant No.2022-BS-021);the Northeast Geological S&T Innovation Center of China Geological Survey(Grant Nos.QCJJ2023-45 and QCJJ2022-21);the National Natural Science Foundation of China(Grant No.42277231).
The application of silicate rock powder to agricultural soils is a promising strategy for atmospheric CO_(2)removal.However,most research focuses on inorganic carbon sequestration via enhanced rock weathering,overlook...
关键词：enhanced rock weathering wollastonite powder soil organic carbon soil CO_(2)emissions weathering rate 
Numerical study on multiphase combustion characteristics of aluminum-based powder-fueled water ramjet engine
《Chinese Journal of Aeronautics》2025年第3期316-333,共18页Shixuan HUI Hui QI Dianlong SUN Tao YAN Pingan LIU 
supported by the National Natural Science Foundation of China(No.22305053).
Powder-Fueled Water Ramjet Engine(PFWRE)is of great attraction for high-speed and long-voyage underwater propulsion,as well as air–water trans-media navigation applications due to its high energy density and thrust a...
关键词：Powder fuel Water ramjet engine ALUMINUM Multiphase combustion characteristics Particle size Flame structure 
Wire arc additive manufacturing of Al-Si-Mg aluminum alloy through wire−powder synchronous deposition
《Transactions of Nonferrous Metals Society of China》2025年第3期701-714,共14页Yun-fei MENG Qian-xi YU Xu WU Ming GAO Hui CHEN 
supported by the National Natural Science Foundation of China(No.52205360)。
Owing to the lack of matching commercial welding wires,the development of wire arc additive manufacturing(WAAM)for most aluminum alloys is hindered.A wire-powder synchronous arc additive manufacturing(WPAAM)was propos...
关键词：wire arc additive manufacturing wire-powder synchronous deposition Al-Si-Mg aluminum alloy forming accuracy mechanical properties 
Comparative study of hydro-mechanical behaviors of compacted bentonite powder and granular bentonite
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1757-1769,共13页Zhao Zhang Wen-Sheng Geng Wei-Min Ye Yong He Wei Su Qiong Wang Yong-Gui Chen 
funded by the National Natural Science Foundation of China(Grant Nos.42207227);the Natural Science Foundation of Hunan Province,China(Grant No.2022JJ40586);The authors also thank the China Postdoctoral Science Foundation(Grant Nos.2022M722428).
In the deep geological disposal repository of high-level radioactive waste,buffer/backfill materials typically consist of compacted bentonite block and granular bentonite.As these materials undergo a long-term hydrati...
关键词：Bentonite powder Granular bentonite Swelling pressure Compression Hydro-mechanical behaviors 
Electrostatic discharge in powder-storage silos:Frequency and energy analysis under various conditions
《Journal of Southeast University(English Edition)》2025年第1期101-108,共8页ZHANG Gaoqiang LI Liangliang LIANG Cai MENG He LAN Qi CHEN Xiaoping MA Jiliang 
The National Natural Science Foundation of China(No.51976039)。
To explore the electrostatic discharge behavior of charged powders in industrial silos,discharge experiments are conducted based on a full-size industrial silo discharge platform.Electrostatic discharge mode,frequency...
关键词：electrostatic discharge POWDER charge-to-mass ratio discharge frequency SILO 
Parametric Analysis and Designing Maps for Powder Spreading in Metal Additive Manufacturing
《Computer Modeling in Engineering & Sciences》2025年第2期2067-2090,共24页Yuxuan Wu Sirish Namilae 
supported by the funding provided by Boeing Center for Aviation and Aerospace Safety.
Powder bed fusion(PBF)in metallic additive manufacturing offers the ability to produce intricate geometries,high-strength components,and reliable products.However,powder processing before energy-based binding signific...
关键词：Powder bed fusion additive manufacturing discrete element method parameter sweep process design 
In-depth Ice and Snow 6-Day Trip in Changbai Mountain
《China & The World Cultural Exchange》2025年第2期28-31,共4页
This is an in-depth journey to experience the ice and snow of Changbai Mountain.In these few days,you will explore Changbai Mountain and enjoy powder skiing;gallop on the ski trail;watch the stunning wonders of snow r...
关键词：Changbai Mountain ice snow powder skiinggallop snow rime changbai mountain powder skiing ICE SNOW 
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