Zobrazeno 1 - 10
of 412
pro vyhledávání: '"Bimodal grain"'
Autor:
Lingling Fan, Mingyang Zhou, Wulve Lao, Yuwenxi Zhang, Hajo Dieringa, Ying Zeng, Yuanding Huang, Gaofeng Quan
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 8, Pp 3264-3280 (2024)
In this study, the nano-TiC/AZ61 composites with different heterogeneous bimodal grain (HBG) structures and uniform structure are obtained by regulating the extrusion speed. The effect of HBG structure on the mechanical properties of the composites i
Externí odkaz:
https://doaj.org/article/26580504a7654f6abc796cbda53c0331
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 12, Pp 4407-4419 (2023)
The effects of small additions of calcium (0.1% and 0.5%11 All compositions in weight percentage.) on the dynamic recrystallization behavior and mechanical properties of as-extruded Mg-1Mn-0.5Al alloys were investigated. Calcium microalloying led to
Externí odkaz:
https://doaj.org/article/99d4a875cda34f1c9b10179fb15a2ae9
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4430-4439 (2023)
The study describes large strain high-speed asynchronous rolling process to process AZ91 magnesium alloy sheets with an overall thickness reduction of 84 % via two-pass rolling at 350 °C. Rolling speed ratios of 1.0, 1.1, 1.2, and 1.3 were used to o
Externí odkaz:
https://doaj.org/article/a9099e864eef41448e56e5da66a70c25
Publikováno v:
Resources Chemicals and Materials, Vol 2, Iss 3, Pp 208-214 (2023)
For typical Mg-Zn-Zr alloys, exhilaratingly high strength of a yield strength (YS) higher than 300 MPa can hardly be attained by traditional rolling. In this paper, we compare the mechanical properties and strengthening mechanisms of the Mg-5Zn-0.6Zr
Externí odkaz:
https://doaj.org/article/fa5b143f05a54a7a8457807ae7d39a60
Publikováno v:
Materials, Vol 17, Iss 14, p 3506 (2024)
Low-alloyed Mg–Li–Er alloys were developed in this study and a bimodal-grained structure was obtained by varying the trace Er content and extrusion temperature. The alloys displayed a good strength–ductility synergy, i.e., a tensile yield stren
Externí odkaz:
https://doaj.org/article/c9b337829a9846bdbe5d34bf37d96927
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 5325-5339 (2023)
In many commercial steel processing routes, steel microstructures are reverted to an austenitic condition prior to the final processing steps. Understanding the microstructure development during austenitization is crucial for improving the performanc
Externí odkaz:
https://doaj.org/article/057bf34c776e44ae8d65c8458234ffd2
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 1813-1823 (2023)
The surface of marine fluid operating machinery is commonly damaged by cavitation, and the protection of its surface is one of the key technologies in contemporary marine industry. Bimodal grain weaving is an important means to enhance the cavitation
Externí odkaz:
https://doaj.org/article/69843425c72e4e12b0f4583d0cc7e9c4
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 36, Iss 1, Pp 1-11 (2023)
Abstract Magnesium (Mg) alloys are the lightest metal structural material for engineering applications and therefore have a wide market of applications. However, compared to steel and aluminum alloys, Mg alloys have lower mechanical properties, which
Externí odkaz:
https://doaj.org/article/35bc31e645674db4b259a44ae8393a5c
Autor:
Dong Bian, Xiao Chu, Jin Xiao, Zhipei Tong, He Huang, Qinggong Jia, Jianing Liu, Wenting Li, Hui Yu, Yue He, Limin Ma, Xiaolan Wang, Mei Li, Tao Yang, Wenhan Huang, Chi Zhang, Mengyu Yao, Yu Zhang, Zhigang Xu, Shaokang Guan, Yufeng Zheng
Publikováno v:
Bioactive Materials, Vol 22, Iss , Pp 180-200 (2023)
Rare earth elements (REEs) have been long applied in magnesium alloys, among which the mischmetal-containing WE43 alloy has already got the CE mark approval for clinical application. A considerable amount of REEs (7 wt%) is needed in that multi-phase
Externí odkaz:
https://doaj.org/article/2dfbd4fea88741b89f3330d9f52fa6e2
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