Search Results - "Liu, Yunzhong"

Fabrication and characterization of WC-AlCoCrCuFeNi high-entropy alloy composites by spark plasma sintering by Luo, Wenyan, Liu, Yunzhong, Luo, Yang, Wu, Min

“…Mechanically alloyed AlCoCrCuFeNi high-entropy alloy (HEA) powders were used as binder to fabricate WC/HEA composites by spark plasma sintering. The effects of…”
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Microstructure and Mechanical Properties of a Novel Al-Mg-Sc-Ti Alloy Fabricated by Laser Powder Bed Fusion by Shu, Zhiheng, Liu, Yunzhong

“…(TiH + ScH )/Al-Mg composite powders with different Ti contents were produced by ball milling. These composite powders were fabricated to cube and cuboid shape…”
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Microstructure, mechanical performance and nucleation mechanism of laser powder bed fused novel Sc/Zr/Ti-modified Al-Mg alloys by Li, Xiang, Gao, Zhengjiang, Tan, Chaolin, Liu, Yunzhong

“…[Display omitted] •Effect of Al3Sc, Al3(Sc,Zr) and Al3(Sc,Ti) on grain refinement efficiency was revealed.•Microstructure of Al-Mg-Sc, Al-Mg-Sc-Zr and…”
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Multi-Object Detection in Security Screening Scene Based on Convolutional Neural Network by Sun, Fan, Zhang, Xiangfeng, Liu, Yunzhong, Jiang, Hong

“…The technique for target detection based on a convolutional neural network has been widely implemented in the industry. However, the detection accuracy of…”
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Deformation behavior and characteristics of sintered porous 2024 aluminum alloy compressed in a semisolid state by Wu, Min, Liu, Yunzhong, Wang, Teng, Yu, Kaibin

“…Semisolid powder forming technology is a novel technology that has achieved a great progress in recent years. However, the deformation behavior and…”
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The effects of temperatures on microstructure evolution and mechanical properties of B4C–AA2024 composite strips prepared by semi-solid powder rolling by Mo, Zhuoqiang, Liu, Yunzhong, Geng, Jiangjiang, Wang, Teng

“…Semi-solid powder rolling (SSPR) is a novel method to prepare metal strips, which combines the advantages of powder rolling and semi-solid forming. Besides, it…”
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Effect of Particle Size on the Mechanical Properties of Semi-Solid, Powder-Rolled AA7050 Strips by Luo, Xia, Liu, Yunzhong

“…The AA7050 alloy strips can be successfully prepared by semi-solid powder rolling. The effect and factors of particle size on the microstructure, relative…”
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Microstructure and mechanical properties of in-situ hybrid reinforced (TiB+TiC)/Ti composites prepared by laser powder bed fusion by Wu, Lidong, Gao, Zhengjiang, Fan, Zhenhua, Liu, Chenghao, Liu, Yunzhong

“…To address the problems of insufficient strength and low hardness in pure titanium, a new Ti–B–C powder system was used to prepare in-situ hybrid reinforced…”
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PriSense: Privacy-Preserving Data Aggregation in People-Centric Urban Sensing Systems by Jing Shi, Rui Zhang, Yunzhong Liu, Yanchao Zhang

“…People-centric urban sensing is a new paradigm gaining popularity. A main obstacle to its widespread deployment and adoption are the privacy concerns of…”
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Microstructure evolution during semi-solid powder rolling and post-treatment of 7050 aluminum alloy strips by Liu, Yunzhong, Luo, Xia, Li, Zhilong

“…•We proposed a novel strip manufacturing process termed “semi-solid powder rolling”.•This new process is mainly used to prepare fully dense strips from…”
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Study on the progress of solidification, deformation and densification during semi-solid powder rolling by Luo, Xia, Liu, Yunzhong, Gu, Caixin, Li, Zhilong

“…Semi-solid powder rolling (SSPR) is a novel strip manufacturing process, which combines the features of semi-solid rolling and powder rolling. High-performance…”
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Numerical Simulation and Parameter Optimization for Semi-solid Powder Rolling of Al–Cu–Mg Alloy by Wu, Min, Liu, Jian, Luo, Xia, Liu, Yunzhong, Liu, Min, Kong, Chunyu, Wang, Yankun

“…With advantages of powder metallurgy and semi-solid forming, Semi-solid powder rolling (SPR) as a novel technology was proposed and has been widely used to…”
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The Defects and Improvements of the Internal Control Audit in Chinese Universities with respect to the Probabilistic Hesitant Fuzzy Environment by Zhu, Jingjuan, Xu, Ling, Liu, Yunzhong, Zhu, Dawei, Chen, Liangliang

“…This paper analyzes the survey data and qualitative evaluation information of the internal control audit of some universities directly under the Ministry of…”
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CircHSPG2 absence weakens hypoxia-induced dysfunction in cardiomyocytes by targeting the miR-25-3p/PAWR axis by Zhao, Ying, Wang, Shujun, Liu, Shufang, Yan, Qingfeng, Li, Yueping, Liu, Yunzhong

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Microstructure evolution and densification of sintered porous 2024 aluminum alloy compressed in a semi-solid state by Wu, Min, Liu, Jian, Liu, Yunzhong, Luo, Xia, Wang, Bin, Du, Canyi

“…Abstract The semi-solid powder forming (SSPF) as a promising technology has a complicated process, but the formation mechanism of that remains unclear. The…”
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Research status of crack inhibition via grain refinement of high-strength aluminum alloys fabricated by selective laser melting by Liu, Xiaohui, Liu, Yunzhong

“…High-strength aluminum alloys (2××× and 7×××, etc.) are widely used in aerospace, automobile and other fields because of their high specific strength and good…”
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Modeling the Thermal Fields of Deposited Materials During the Spray Rolling Process by Li, Fengxian, Liu, Yunzhong, Yi, Jianhong

“…The technology of spray rolling can be applied to manufacture strips with a uniform cooling rate and a high production rate. The cooling behavior of the…”
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Verifiable Fine-Grained Top-k Queries in Tiered Sensor Networks by Rui Zhang, Jing Shi, Yunzhong Liu, Yanchao Zhang

“…Most large-scale sensor networks are expected to follow a two-tier architecture with resource-poor sensor nodes at the lower tier and resource-rich master…”
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New insights into the evolution of TiB whisker and TiC particle during selective laser melting of titanium matrix composites by Zhou, Zhiguang, Liu, Yunzhong

“…In-situ TiB, TiC, and (TiB + TiC) reinforced titanium matrix composites were prepared by selective laser melting. We focused on clarifying the evolution…”
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Effect of laser remelting on printability, microstructure and mechanical performance of Al-Mg-Sc-Zr alloy produced by laser powder bed fusion by Li, Xiang, Liu, Yunzhong

“…Laser powder bed fusion (LPBF) is an advanced metal additive manufacturing technology, extensively employed in the aerospace, automotive, biomedical and…”
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