Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Qingwei Dai"'
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 1744-1753 (2024)
The effect of varying rare earth element cerium (Ce) contents (0∼0.0792 wt%) on the austenite grain size of ultra-high-strength engineering steel has been studied under different austenitization conditions (holding time of 5∼360 min at temperatur
Externí odkaz:
https://doaj.org/article/716f5b6a10e74373985360888f94b6ba
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 2, Pp 443-464 (2024)
Metal-air battery is an environmental friendly energy storage system with unique open structure. Magnesium (Mg) and its alloys have been extensively attempted as anodes for air batteries due to high theoretical energy density, low cost, and recyclabi
Externí odkaz:
https://doaj.org/article/877fc660764048e08f722e505f275de7
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 1293-1305 (2023)
The implementation of asymmetric deformation proves to be an effective approach towards optimizing the basal texture of wrought Mg alloys, ultimately leading to improved plasticity and formability. This work performs differential temperature rolling
Externí odkaz:
https://doaj.org/article/fbb6b29dcd244602baae97a8449fde6a
Autor:
Peng Peng, Linpei Zhang, Jingyong Zhao, Chunhua Ran, Bo Wang, Shuai Long, Qingshan Yang, Qingwei Dai
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 1026-1038 (2023)
In this study, the microstructure and mechanical properties of the commercial magnesium (Mg) ZK60 alloy were conducted to promote the application of Mg alloys. Scanning electron microscopy, tensile and compression tests, electron back scattering diff
Externí odkaz:
https://doaj.org/article/02df756cb574444cb896bc81ddc7ce6c
Autor:
Qinghua Chen, Ruinan Chen, Jian Su, Qingsong He, Bin Tan, Chao Xu, Xu Huang, Qingwei Dai, Jian Lu
Publikováno v:
Journal of Magnesium and Alloys, Vol 10, Iss 9, Pp 2384-2397 (2022)
Grain growth directly influences the plasticity and strength of Mg alloys. As the grain size decreases from the microscale to the nanoscale, the plasticity of Mg alloys continually increases, whereas the strength first increases and later decreases.
Externí odkaz:
https://doaj.org/article/22f9e01b19c74b26ba2036a64f1c4494
Autor:
Ruinan Chen, Qinghua Chen, Xu Huang, Qingsong He, Jian Su, Bin Tan, Chao Xu, Huahong Deng, Qingwei Dai
Publikováno v:
Metals, Vol 12, Iss 11, p 1955 (2022)
In order to control the grain size in thermomechanical processing, the grain growth behavior of hot extruded Mg–xAl–1Zn (x = 3, 6, 9) alloys and their relationship with second phase particles and solutes were investigated. The growth rate of AZ61
Externí odkaz:
https://doaj.org/article/c44aeff1973745f58648bec1a0ff7895
Publikováno v:
Metals, Vol 11, Iss 1, p 97 (2021)
Hot tears were frequently formed in Aluminum (Al) parts with complex structure. In this study, OM (optical microscope), SEM (scanning electron microscope), EDS (energy dispersive spectrometer), and FDM (finite difference method) were used to reveal t
Externí odkaz:
https://doaj.org/article/a6ed223423e8427b9388aa99be365fe5
Publikováno v:
Materials Research, Vol 19, Iss 2, Pp 322-327 (2016)
The rolled AZ31 Mg alloy sheets were processed by multi-pass bending (MPB) process at room temperature and followed by annealing treatment. Mechanical properties of the as-received and MPB sheets in annealed conditions were examined based on the conc
Externí odkaz:
https://doaj.org/article/59180dd2a3db4c9d8867f3a353eb9157
Publikováno v:
Materials Research, Vol 18, Iss 4, Pp 873-880 (2015)
During extrusion-shear (ES) process, the surface cracks would be formed in the processed rod for AZ31 magnesium caused by nonhomogeneous metal flow and stress. To reduce the cracks defects, three-dimensional (3D) finite element method (FEM) of ES on
Externí odkaz:
https://doaj.org/article/c4986131c963435bbcd8c1218fa7c75b
Publikováno v:
Metallic Materials / Kovové Materiály; 2024, Vol. 62 Issue 2, p119-128, 10p