Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Kunkun Deng"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3476-3489 (2024)
In this study, micro-nano hybrid SiCp/7075Al composites were successfully prepared for the first time by ultrasonic-assisted semi-solid stirring casting method. The effects of micro-nano hybrid SiCp on the microstructure and mechanical properties of
Externí odkaz:
https://doaj.org/article/2ac05aa270dc46e7971a2c9a779746a6
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 4282-4295 (2023)
In this paper, three sizes (5, 20 and 50 μm) SiC particles (SiCp) were selected, and the SiCp/Mg–6Zn–1Gd-0.3Ca (SiCp/ZG61X) composites with ∼50 vol.% were successfully prepared by squeeze casting. The effect of particle size on the properties
Externí odkaz:
https://doaj.org/article/0bf88b11650a4091af82a68af4fe9947
Publikováno v:
Materials, Vol 16, Iss 23, p 7446 (2023)
In this work, a Mg-Zn-Y (ZW31) alloy with good plasticity was introduced into 10 μm 10 vol% SiCp/AZ91 composite materials (PMMCs) via the extrusion compound method, and then the ZW31/PMMC laminate was prepared via multi-pass hot rolling. The hot def
Externí odkaz:
https://doaj.org/article/c8c87131c3d544a0884972532b57f98f
Publikováno v:
Materials, Vol 16, Iss 18, p 6168 (2023)
To address the issue of inadequate strength and plasticity in magnesium matrix composites, SiC preforms were prepared using the freeze-casting process. The effects of sintering temperature on the microstructure, mechanical properties, and fracture be
Externí odkaz:
https://doaj.org/article/936dd3a819374b9d90dac2efbf9fcae5
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 5, Pp 11717-11730 (2020)
In this work, the microstructure and mechanical properties of Mg–Al–Ca–Mn alloys with different Ca/Al ratios (0.2, 0.6 and 1.0) have been investigated. The results showed that with the increase of the Ca/Al ratios, the grain sizes of the alloys
Externí odkaz:
https://doaj.org/article/19fc4949cb064defb2d0243197c7b821
Publikováno v:
Materials, Vol 15, Iss 23, p 8498 (2022)
The influence of minor SiCp on the dynamic recrystallization (DRX) and dynamic precipitation behaviors of the Mg-5Zn matrix were investigated through the hot compression test. The results showed that the addition of SiCp improved the DRXed ratio of M
Externí odkaz:
https://doaj.org/article/de79bc7ef2fb414b8b3e8e206d055c43
Publikováno v:
Bioactive Materials, Vol 3, Iss 3, Pp 250-254 (2018)
Ultrahigh pressure technique remarkably extends solid solubility limitation of Al alloying element (∼25 at.%) in Mg alloys, resulting in unique solid-solution strengthening and age hardening response. Microhardness, yield strength and ultimate comp
Externí odkaz:
https://doaj.org/article/aa6bd6b03bde4dfdbc90c851d6bd6603
Publikováno v:
Nanomaterials, Vol 9, Iss 1, p 57 (2019)
Magnesium matrix composites synergistically reinforced by SiC nanoparticles and second phases were prepared by 12 passes of multi-pass forging, varying the temperature. The effects of grain refinement and the precipitates on the hot deformation behav
Externí odkaz:
https://doaj.org/article/84cec7f084624d2eb8d2cd9298d26c41
Publikováno v:
Nanomaterials, Vol 8, Iss 2, p 82 (2018)
The hot deformation behavior and processing characteristics of AZ91 alloy and nano-SiCp/AZ91 composite were compared at temperature ranges of 523 K–673 K and strain rates of 0.001–1 s−1. Positive impact of SiC nanoparticles on pinning grain bou
Externí odkaz:
https://doaj.org/article/2cd7f91d5c174e64948329470b414f72
Publikováno v:
Materials, Vol 11, Iss 1, p 126 (2018)
In this study, SiC nanoparticles were added into matrix alloy through a combination of semisolid stirring and ultrasonic vibration while dynamic precipitation of second phases was obtained through multi-pass forging with varying temperatures. During
Externí odkaz:
https://doaj.org/article/2eef83ab51ca4d17b1c1efde99d0049d