Journal ArticleDOI
Laser Metal Deposition Additive Manufacturing of TiC Reinforced Inconel 625 Composites: Influence of the Additive TiC Particle and Its Starting Size
Reads0
Chats0
TLDR
In this paper, the influence of the additive nano-TiC particle and its original size on the constitutional phases, microstructural features, and mechanical properties of the LMD-processed parts was studied.Abstract:
In this study, laser metal deposition (LMD) additive manufacturing was used to deposit the pure Inconel 625 alloy and the TiC/Inconel 625 composites with different starting sizes of TiC particles, respectively. The influence of the additive TiC particle and its original size on the constitutional phases, microstructural features, and mechanical properties of the LMD-processed parts was studied. The incorporation of TiC particles significantly changed the prominent texture of Ni–Cr matrix phase from (200) to (100). The bottom and side parts of each deposited track showed mostly the columnar dendrites, while the cellular dendrites were prevailing in the microstructure of the central zone of the deposited track. As the nano-TiC particles were added, more columnar dendrites were observed in the solidified molten pool. The incorporation of nano-TiC particles induced the formation of the significantly refined columnar dendrites with the secondary dendrite arms developed considerably well. With the micro-TiC particles added, the columnar dendrites were relatively coarsened and highly degenerated, with the secondary dendrite growth being entirely suppressed. The cellular dendrites were obviously refined by the additive TiC particles. When the nano-TiC particles were added to reinforce the Inconel 625, the significantly improved microhardness, tensile property, and wear property were obtained without sacrificing the ductility of the composites. [DOI: 10.1115/1.4034934]read more
Citations
More filters
Journal ArticleDOI
Metallurgy, mechanistic models and machine learning in metal printing
TL;DR: In this paper, the authors examined advances in metal printing focusing on metallurgy, as well as the use of mechanistic models and machine learning and the role they play in the expansion of the additive manufacturing of metals.
Journal ArticleDOI
Ultrasonic Vibration-Assisted Laser Engineered Net Shaping of Inconel 718 Parts: Microstructural and Mechanical Characterization
Journal ArticleDOI
High-mass-proportion TiCp/Ti6Al4V titanium matrix composites prepared by directed energy deposition
TL;DR: In this paper, a crack-free high-mass-proportion TiCp/Ti6Al4V composites were successfully prepared by directed energy deposition (DED).
Journal ArticleDOI
Microstructure evolution, mechanical properties, and strengthening mechanism of TiC reinforced inconel 625 nanocomposites fabricated by selective laser melting
TL;DR: In this paper, the influence of laser fluence on surface morphology, microstructure evolution, and mechanical properties of the TiC/Inconel 625 (TiC/IN625) nanocomposites were studied.
Journal ArticleDOI
In situ TiC/Inconel 625 nanocomposites fabricated by selective laser melting: Densification behavior, microstructure evolution, and wear properties
TL;DR: In this article, an Inconel 625-based nanocomposite reinforced with TiC nanoparticles (TiC/IN625) was successfully prepared by selective laser melting, and the effects of laser fluence on the densification, microstructure, crystal structure, microhardness, and wear performance were systematically investigated.
References
More filters
Journal ArticleDOI
Laser additive manufacturing of metallic components: materials, processes and mechanisms
TL;DR: Additive manufacturing implies layer by layer shaping and consolidation of powder feedstock to arbitrary configurations, normally using a computer controlled laser as discussed by the authors, which is based on a novel materials incremental manufacturing philosophy.
Journal ArticleDOI
Densification behavior, microstructure evolution, and wear performance of selective laser melting processed commercially pure titanium
Dongdong Gu,Dongdong Gu,Yves-Christian Hagedorn,Wilhelm Meiners,Guangbin Meng,Rui João Santos Batista,Konrad Wissenbach,Reinhart Poprawe +7 more
TL;DR: In this article, a comprehensive study of the densification behavior, phase and microstructure development, hardness and wear performance of commercially pure Ti parts processed by selective laser melting (SLM) is presented.
Journal ArticleDOI
Lasers and materials in selective laser sintering
TL;DR: In this paper, the current state of SLS in terms of materials and lasers is surveyed and investigated experimentally and by numerical simulation in order to get insight into laser-material interaction and to control this interaction properly.
Lasers and materials in selective laser sintering
TL;DR: In this article, the current state of SLS in terms of materials and lasers is surveyed and investigated experimentally and by numerical simulation in order to get insight into laser-material interaction and to control this interaction properly.
Journal ArticleDOI
Microstructural development during solidification of stainless steel alloys
TL;DR: In this article, the influence of cooling rate on the microstructure of stainless steel alloys was investigated and the conditions that lead to the many microstructural morphologies that develop during solidification.