Zobrazeno 1 - 10
of 935
pro vyhledávání: '"Laser directed energy deposition"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7503-7517 (2024)
To inhibit cracking and improve performance, Ni60 alloy layers were deposited on the 38CrMoAl steel substrate using an inductive preheating-assisted high-speed laser-directed energy deposition technique (IP-HS-LDED). The effects of the preheating tem
Externí odkaz:
https://doaj.org/article/bad8c2d7489444e3a53bdf2c83956cee
Autor:
Guangyuan Wang, Liuqing Yang, Guohong Dai, Congping Chen, Yaodong Xuanyuan, Wangping Wu, Yuan Qin, Sen Yang
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7182-7192 (2024)
In this paper, the non-weldable precipitation-hardened superalloy Inconel 738 thin-wall parts were fabricated by laser directed energy deposition (LDED). The influence of post heat treatments including solution and aging heat treatments on the micros
Externí odkaz:
https://doaj.org/article/be5b2586215847149df3cfb6c65c434e
Publikováno v:
Materials Research Letters, Pp 1-8 (2024)
The coarse columnar grains that typically occur during additive manufacturing introduce mechanical anisotropy. Both to achieve a columnar-to-equiaxed transition (CET) and to investigate the effects of high growth restriction factor elements on the ha
Externí odkaz:
https://doaj.org/article/ef72630599f2467cb0c7031ac8983543
Autor:
Gengshuo Liu, Shujie Liu, Tinghong Hou, jinyan Hu, Guanqun Du, Shuai Lv, Yu Wang, Weiwei Liu, Tao Li
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 888-897 (2024)
In this paper, the remelting process is applied to Laser Directed Energy Deposition (L-DED) to repair single crystal superalloys. The main formation modes of stray grains in single crystal epitaxial growth were analyzed, and the inhibitory effect of
Externí odkaz:
https://doaj.org/article/8202999670fe411c8d91cf40b2ab5185
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7727-7740 (2024)
Laser directed energy deposition (LDED), a highly promising metal additive manufacturing (AM) technology, has garnered widespread attention across various industries. However, local high-energy input during AM can generate residual stress (RS), which
Externí odkaz:
https://doaj.org/article/f357a13a9baf4b0596035dc6a12e3b90
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 4584-4599 (2024)
In this study, crack-free composite coatings with ratios of 40%, 50%, and 60% WC10%-Ni60AA cermet/Inconel 718 were successfully prepared using laser directed energy deposition. WC10%-Ni60AA cermet, as a reinforced particle, consists of 10% tungsten c
Externí odkaz:
https://doaj.org/article/91b91b889b004e18bedb39bd686b2979
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 839-850 (2024)
Meta-stable β titanium alloys that feature excellent mechanical properties are of great interest for a range of engineering applications. In particular, Fe containing titanium alloy is one of the most promising alloy systems because Fe is the most e
Externí odkaz:
https://doaj.org/article/6e76dacbd67c479d98a95b6fb893cce8
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 678-690 (2024)
In this study, a thin-wall build of CrMnFeCoNi high entropy alloy (HEA) was fabricated by laser directed energy deposition (LDED) process. The effect of high-temperature annealing heat treatment at 1000 °C on the microstructure and mechanical proper
Externí odkaz:
https://doaj.org/article/70b25a2317bc49399397c7d31a7545ca
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
Inspired by the property mechanism principles of C. squamiferum (impact resistance) and bamboo (energy absorption), a bionic bidirectional gradient NiTi alloy was developed and fabricated by the innovative time-varying deposition strategy (TVDS), inc
Externí odkaz:
https://doaj.org/article/45c405a899cc437a836218b78b03f2a7
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
A novel AlMo0.25FeCoCrNi2.1 high-entropy alloy (HEA) was additively manufactured using laser direct energy deposition (LDED) process. The microstructure, mechanical properties and corrosion resistance of the prepared alloy were investigated and adjus
Externí odkaz:
https://doaj.org/article/9e970e07f29b47a4bb58ffea9ece484b