Zobrazeno 1 - 10
of 922
pro vyhledávání: '"laser-directed energy deposition"'
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
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
In modern aerospace engineering, the demand for innovative and adaptable solutions is paramount. This study focuses on enhancing aircraft engine components, specifically variable-geometry inlets, to meet evolving aviation technology requirements. We
Externí odkaz:
https://doaj.org/article/786cfa42094d46fe8e40c27b7d4d9e5c
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
A wire-based laser directed energy deposition process was developed to repair Q690D steel. The microstructure evolution, phase transformation and mechanical properties of the repaired specimens were investigated in detail. Excellent metallurgical bon
Externí odkaz:
https://doaj.org/article/ecd1911ca1a246da80c47329fc09d062