Zobrazeno 1 - 10
of 73
pro vyhledávání: '"ZhengHua Guo"'
Autor:
Lihong Jiang, Xiaogang Liu, Zhenghua Guo, Zheng Liu, Guangang Wang, Mingjie Zhao, Shanlin Wang, Junhua Cui
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 2003-2013 (2024)
The effect of high strain rate on adiabatic shear susceptibility and microstructures in Al0.4CoCrFeNi high-entropy alloy (HEA) was examined using a split Hopkinson pressure bar (SHPB) and hat-shaped specimens. The results exhibit a clear strain-harde
Externí odkaz:
https://doaj.org/article/e7ae17248bb345f89af2317b9f7b41cb
Autor:
Lihong Jiang, Xiaogang Liu, Mingjie Zhao, Shanlin Wang, Zhenghua Guo, Zheng Liu, Guangang Wang, Yida Zeng, Junhua Cui
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 5107-5117 (2024)
The grain refinement mechanism in the adiabatic shear band (ASB) of solution treated Ti–10V–2Fe–3Al alloy was investigated under high strain rates using a split Hopkinson pressure bar and hat-shaped specimens. The TEM results show that elongate
Externí odkaz:
https://doaj.org/article/0ccbf6bd17e346458787e62e2661b631
Autor:
Xiaogang Liu, Lihong Jiang, Zheng Liu, Mingjie Zhao, Zhenghua Guo, Shanlin Wang, Guanliang Xiong, Lin Zhu
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 3409-3419 (2024)
The microstructural evolution in adiabatic shear localization in Al0.4CoCrFeNi high-entropy alloy (HEA) was examined through a forced shear technique by a split Hopkinson pressure bar (SHPB) using hat-shaped specimens. The TEM results show that the e
Externí odkaz:
https://doaj.org/article/1e51f214880f4749bc316e4c1ac4d8fa
Autor:
Qi Zhang, Zheng Liu, Yingrui Zhang, Lu Bai, Lihong Jiang, Zhenghua Guo, Zhenjun Wang, Yujing Liu
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 5662-5668 (2023)
Additive manufactured titanium alloys are generally characterized by columnar grain structures along the vertical direction (VD), thereby causing a relative lower plasticity in the horizontal direction (HD) than that in the VD direction. However, her
Externí odkaz:
https://doaj.org/article/33f37615c3d048dbbbbf6a44b9804746
Publikováno v:
Materials Research Express, Vol 11, Iss 5, p 056516 (2024)
Heavy components of 300 M steel are usually manufactured by multi-pass forging. It is necessary to study the flow characteristics of 300 M steel during multi-pass deformation, which helps to regulate the flow behaviors during the actual forging proce
Externí odkaz:
https://doaj.org/article/b696ef4db5904b64b18ae59bd2540392
Publikováno v:
Applied Sciences, Vol 13, Iss 21, p 11775 (2023)
The nanocomposites of 2024 Al reinforced with CeO2@GNPs (graphene) nanoparticles were fabricated using the hot-press sintering method. With the addition of 0.5 wt% CeO2@GNPs, the YS and UTS of the fabricated nanocomposites increased by 21.1% and 24.7
Externí odkaz:
https://doaj.org/article/a4f8fac0f3e14953ac9b56e1506e6146
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 1179-1189 (2021)
Cobalt-based superalloys have good service performance in environments where nickel-based superalloys cannot work. A number of the studies focused on mechanical properties, microstructure evolution and hot deformation characteristics, but studies of
Externí odkaz:
https://doaj.org/article/91a70c30c0284f918f13babe989d84d3
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 4025-4033 (2020)
Laser surface melting (LSM) were successfully applied in in-situ 10 vol% ZrB2(np)/6061Al composites. Formation of nano-sized ZrB2 phase is confirmed by FESEM, EDS and HRTEM. Due to the minimization of porosity defects, one-way laser scanning is evalu
Externí odkaz:
https://doaj.org/article/dfdab75a6bda41149970610683617ecc
Publikováno v:
IEEE Access, Vol 7, Pp 169123-169132 (2019)
Occlusion is a critical issue that affects the accuracy for light field depth estimation. In the presence of occlusions, the photo-consistency property is broken, making ambiguity near occlusion areas. In this paper, we proposed using multi-orientati
Externí odkaz:
https://doaj.org/article/1382f2803b454cc1ad33e02b7675cd8b
Publikováno v:
Applied Sciences, Vol 11, Iss 23, p 11177 (2021)
In this study, graphene nanoplatelets (GNPs) decorated rare earth oxide CeO2 (CeO2@GNPs) were synthesized by alcohol thermal reaction method and used to reinforce GNPs/2024Al composites fabricated by a pressure sintering process. The results indicate
Externí odkaz:
https://doaj.org/article/da218567b5c94f00956f09011414c45e