Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Liming Ke"'
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 9, Pp 3151-3160 (2023)
Friction stir welding of dissimilar Al/Mg thick plates still faces severe challenges, such as poor formability, formation of thick intermetallic compounds, and low joint strength. In this work, two joint configurations, namely inclined butt (conventi
Externí odkaz:
https://doaj.org/article/4c19e7ecbb5f4906be5de3457a78f523
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 2093-2103 (2022)
The Inconel 625 manufactured by SLM is limited in size and practical application requires advanced welding techniques to join them. In this paper, Inconel 625 fabricated by SLM was laser welded and the effect of welding speed on the microstructure of
Externí odkaz:
https://doaj.org/article/7b10de5c15064537b6af719ae9ce3b7b
Publikováno v:
Journal of Materials Research and Technology, Vol 11, Iss , Pp 1331-1342 (2021)
With the wide application of titanium alloys in the aerospace industry, the burn resistance properties and surface strengthening processes of titanium alloys have been received increasing attention. In this study, Ti40 burn-resistant titanium alloy w
Externí odkaz:
https://doaj.org/article/67070270276f4a65af3bb8a98f5b04cf
Autor:
Renyu Liang, Chunping Huang, Hongwei Hao, Fenggang Liu, Fencheng Liu, Menghua Song, Liming Ke
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 13870-13878 (2020)
Laser remelting can be used not only to improve the metal surface structure, but also to repair metal surface defects. 34CrNiMo6 belongs to European standard high strength alloy structural steel. It has been widely used in the manufacture of large-si
Externí odkaz:
https://doaj.org/article/e5eab4a9828b41df9dc2134613e35684
Publikováno v:
Materials, Vol 15, Iss 3, p 969 (2022)
In the present study, 2198 Al-Cu-Li alloys were successfully friction stir welded by using various welding speed ranges of 90~180 mm/min with an invariable rotation speed of 950 r/min. The effect of welding speed on microstructure evolution and mecha
Externí odkaz:
https://doaj.org/article/5ffe9acd106c482286683c2822104437
Publikováno v:
Crystals, Vol 11, Iss 11, p 1306 (2021)
In the process of laser-based direct energy deposition, the particle concentration distribution and geometric characteristics of powder flow play an important role in laser–powder interaction and powder utilization, and they affect the forming qual
Externí odkaz:
https://doaj.org/article/f624c43ba27e49e3a33bf6dab79eb41c
Publikováno v:
Materials, Vol 12, Iss 17, p 2661 (2019)
5A06 Aluminum (Al) alloy and AZ31B magnesium (Mg) alloy with 20 mm thickness were successfully butt joined by friction stir welding. In order to control the composition of Al and Mg alloys along thickness direction, an inclined butt joint was designe
Externí odkaz:
https://doaj.org/article/5cf823c73e5e4057bdc161c04ea20409
Publikováno v:
Metals, Vol 9, Iss 3, p 286 (2019)
Keyhole at the end of a conventional friction stir welded (FSW) joint is one of the major concerns in certain applications. To address this issue, a novel keyhole refilling technique was developed for conventional friction stir spot welding (FSSW) us
Externí odkaz:
https://doaj.org/article/3588e3ab19144574b93846658a6da139
Publikováno v:
Materials, Vol 12, Iss 2, p 279 (2019)
Repairing damaged parts using proper repairing methods has become an important means to reduce manufacturing and operational costs and prolong the service life of 34CrNiMo6 steel structures. In the conventional fusion repairing method, welding wire a
Externí odkaz:
https://doaj.org/article/659a68c5a53e42918b9f56fc798ea114
Autor:
Junjie He, Duosheng Li, Wugui Jiang, Liming Ke, Guohua Qin, Yin Ye, Qinghua Qin, Dachuang Qiu
Publikováno v:
Materials, Vol 12, Iss 2, p 321 (2019)
This article investigated the microstructure of Ti6Al4V that was fabricated via selective laser melting; specifically, the mechanism of martensitic transformation and relationship among parent β phase, martensite (α’) and newly generated β phase
Externí odkaz:
https://doaj.org/article/916876a86e9446888e9ace98bf3bde31