Zobrazeno 1 - 10
of 192
pro vyhledávání: '"Jiqiang, Chen"'
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 2223-2231 (2024)
The heterostructured Al–Mg–Si–Cu alloy profile modified by TiB2–TiC particles was prepared by conventional extrusion and solution treatment, and the coupling effect of the heterostructure and the precipitates on the mechanical properties of t
Externí odkaz:
https://doaj.org/article/e675740dc67f4a728bd55a42e50295c8
Publikováno v:
IEEE Access, Vol 12, Pp 25684-25699 (2024)
Scanning electron microscope, atomic force microscope and other equipment play an important role in the fields of topography restoration and detection. However, these devices are generally used in nanometer-scale measurement scenarios. For wafer topo
Externí odkaz:
https://doaj.org/article/0c51d12c98ed4efa890808aaecb4854e
Autor:
Jiale Miao, Jiqiang Chen, Xing Ting, Wei Hu, Jieke Ren, Tao Li, Lingpeng Zeng, Renguo Guan, Olanrewaju A. Ojo
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1864-1874 (2024)
This work studied the effect of solution heat treatment on the microstructure and properties of the Al–Cu alloy fabricated by wire arc additive manufacturing (WAAM), and focused on the influence of porosity and second phase evolution on the tensile
Externí odkaz:
https://doaj.org/article/4de1f9795f8a4a3e82c027630e94fc7c
Autor:
Dehua Li, Shengci Li, Zhiqian Zhang, Jiqiang Chen, Yu Zhang, Jiamin Yang, Weirong Li, Yanfang Li, Olanrewaju A. Ojo
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 6947-6960 (2023)
An Al–Zn–Mg–Cu–Si–Zr–Er alloy was fabricated by laser powder bed fusion technology. A unique cellular structure consisting of α-Al, Mg2Si, and Al2CuMg phases was observed in both as-printed (AP) and direct aging (DA) alloys. Direct aging
Externí odkaz:
https://doaj.org/article/fb047b1b098a438692e1229fab6011b5
Autor:
Shibiao Zhong, Jiqiang Chen, Shengci Li, Jieke Ren, Jiale Miao, Ting Xing, Jialin Guo, Olanrewaju A. Ojo
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 92-104 (2023)
This work reports a simple method for manufacturing heterogeneous structured Al–Mg–Si–Cu alloy profile modified by TiB2–TiC particles using conventional hot extrusion and solution heat treatment. The heterogeneous structures containing differ
Externí odkaz:
https://doaj.org/article/a9a84eb1e9024b068d634edd2a971069
Autor:
Wei Hu, Jiqiang Chen, Jinjun Xu, Jieke Ren, Jiale Miao, Ting Xing, Renguo Guan, Olanrewaju A. Ojo
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 689-702 (2023)
In present work, typical loading orientations were applied on an Al–Cu–Li single crystal during creep aging, and the relationship between precipitation behavior and loading orientations of the creep-aged Al–Cu–Li single crystal was studied by
Externí odkaz:
https://doaj.org/article/fd98a20550eb4016895c375d6d83d494
Publikováno v:
Mathematics, Vol 12, Iss 4, p 524 (2024)
Imbalanced class data are commonly observed in pattern analysis, machine learning, and various real-world applications. Conventional approaches often resort to resampling techniques in order to address the imbalance, which inevitably alter the origin
Externí odkaz:
https://doaj.org/article/4b7ffd242c18404eb4d8df3ffffa07f4
Autor:
Feng Wen, Jiqiang Chen, Shuang Han, Jieyun Ye, Jieke Ren, Yinghui Zhang, Weirong Li, Renguo Guan
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 3716-3724 (2022)
Al–Cu–Li bicrystals with different misorientation gradients were prepared to study the effect of misorientation and precipitates on the initial corrosion behavior of the Al–Cu–Li alloy by scanning electron microscopy (SEM), transmission elect
Externí odkaz:
https://doaj.org/article/a965e9301695463f97d697af5403bc4e
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 112-121 (2022)
Abstracts: The effects of Sc and Zr on the microstructure and properties of Al–3Fe alloys were studied by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and mechanical property testing. The results show that the Al3(Sc,
Externí odkaz:
https://doaj.org/article/5c83cc97480d4e4a8012a737f77be01a
Autor:
Jiqiang Chen, Feng Wen, Chao Liu, Weirong Li, Qiongyu Zhou, Wencai Zhu, Yinghui Zhang, Renguo Guan
Publikováno v:
Science and Technology of Advanced Materials, Vol 22, Iss 1, Pp 205-217 (2021)
The effect of Sc-microalloying and Y2O3 nano-particles on the microstructure and mechanical properties of as-cast Al-5.5Si alloy is studied by means of optical microscopy, transmission electron microscopy, hardness test and tensile test. The influenc
Externí odkaz:
https://doaj.org/article/1dbe5e50bb584b9096fb3f490308d8a7