Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Do-sik Shim"'
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 28, Iss , Pp 3911-3931 (2024)
This study was aimed at analyzing the properties of the deposited material and interface on a substrate containing an inner lattice structure, layered using directed energy deposition (DED). The substrate with the lattice structure was fabricated usi
Externí odkaz:
https://doaj.org/article/4ce27edd0a084b388371d29b0b3db0a3
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 222-230 (2023)
In this study, we comparatively analyzed the wear characteristics of particle-reinforced composite foams (PRCF) manufactured by blending foaming agents (TiH2 and ZrH2) with AlSi10Mg powders based on the directed energy deposition technology. Wear tes
Externí odkaz:
https://doaj.org/article/a9e2420f5a1b4c4697d77512806aa2b9
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 2910-2932 (2023)
High-manganese steel (HMS) has high work-hardening and impact toughness as well as excellent wear resistance. In this study, directed energy deposition (DED) was employed to deposit HMS onto the surface of Inconel 718. The deposition characteristics
Externí odkaz:
https://doaj.org/article/5db7f5911e1642b3b7a079f108dd2f37
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 2926-2946 (2022)
Additive manufacturing enables the development of high-performance materials by in-situ alloying of multiple components. In this study, Inconel 718-based composite, reinforced with tungsten carbide (WC), was synthesized on a 316L stainless steel subs
Externí odkaz:
https://doaj.org/article/00ada5a0396e46f189de4ffc729917ad
Autor:
Young Keun Park, Kyeongsik Ha, Ki Chang Bae, Kwang Yong Shin, Ki Yong Lee, Do-sik Shim, Wookjin Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 3484-3497 (2022)
This study investigates the wear resistance of an Fe–12Mn–5Cr–1Ni-0.4C (high-manganese steel) produced by direct energy deposition (DED) and spheroidal graphite cast iron. The high-manganese steel was deposited on the spheroidal graphite cast i
Externí odkaz:
https://doaj.org/article/777258d50aed412092dd468d5232ca55
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 5337-5361 (2022)
Nickel-aluminum bronze (NAB) is a widely used copper alloy for the fabrication of marine propellers owing to its excellent corrosion resistance in seawater. The repairing process of damaged propellers is an important research topic. This study propos
Externí odkaz:
https://doaj.org/article/fef679fce4264a8490a9b5da73e627d4
Autor:
Do-sik Shim
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 119-134 (2021)
This paper deals with the fabrication of porous materials using direct energy deposition, which is a versatile 3D printing technique for metals. To manufacture a porous material, a mixture consisting of AlSi12 powder and a foaming agent (ZrH2) is spr
Externí odkaz:
https://doaj.org/article/2471636d80b643f3a4c046ecd1a68a60
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 189-198 (2021)
Low- and medium-C steel powders were additively deposited on gray cast iron using a directed energy deposition (DED) process to identify the effect of the carbon content in the steel powder on the soundness of DED-processed cast iron in terms of the
Externí odkaz:
https://doaj.org/article/63f1b1e2f93e46bc9d5e0e0e87293608
Publikováno v:
Micromachines, Vol 14, Iss 4, p 872 (2023)
High thermal conductivity steel (HTCS-150) is deposited onto non-heat-treated AISI H13 (N-H13) via powder-fed direct energy deposition (DED) based on the response surface methodology (RSM) to enhance the mechanical properties and thermal conductivity
Externí odkaz:
https://doaj.org/article/e1adba59b4084e4aae0fa3be24f26399