Journal Article10.1016/J.MATLET.2020.128366
Microstructure and mechanical deformation behavior of selective laser melted Ti6Al4V ELI alloy porous structures
Cheng Chang,Jian Huang,Xingchen Yan,Xingchen Yan,Qing Li,Min Liu,Sihao Deng,Julien Gardan,Rodolphe Bolot,Mahdi Chemkhi,Hanlin Liao +10 more
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TL;DR: In this paper, the compressive properties and deformation behavior of selective laser melted (SLM) Ti6Al4V ELI porous structures were studied using phase composition and microstructure characteristics, a number of fine acicular a′ martensite (93.3%) and a bit β phase (6.6%) can be detected in SLM porous structures.
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About: This article is published in Materials Letters. The article was published on 15 Oct 2020. The article focuses on the topics: Porosity & Microstructure.
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Citations
Controlling the tensile and fatigue properties of selective laser melted Ti–6Al–4V alloy by post treatment
TL;DR: In this article, a simpler approach to improve the mechanical performance by post treatment at minimum cost was explored to explore the microstructure, phase composition, tensile and fatigue properties of Ti-6Al-4V samples produced by selective laser melting (SLM), SLM followed by heat treatment (HT), and SLM, followed by hot isostatic pressing (HIP).
42
Extrusion-based additive manufacturing of Mg-Zn/bioceramic composite scaffolds.
J. Dong,Ping-Kun Lin,N.E. Putra,N. Tümer,M.A. Leeflang,Zhiguang Huan,Lidy E. Fratila-Apachitei,Amir A. Zadpoor,J. Zhou +8 more
TL;DR: In this paper , an extrusion-based additive manufacturing technique was developed to fabricate biodegradable Mg-Zn/bioceramic composite scaffolds ex-situ.
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Microstructure, mechanical properties and corrosion performance of selective laser melting Ti/GNPs composite with a porous structure
Yang Xin,Zhang Zhaoyang,Wang Ben,Ma Wenjun,Wang Wanlin,Wen-ge Chen,Ning-ning Kang,Shifeng Liu +7 more
TL;DR: In this paper, nano-graphene reinforced titanium matrix composites (GNPs/Ti) with a honeycomb porous structure were fabricated by selective laser melting (SLM), and the effects of graphene on the microstructure, mechanical properties and corrosion performance were systematically investigated.
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Influence of Aging Treatment Regimes on Microstructure and Mechanical Properties of Selective Laser Melted 17-4 PH Steel
Dongdong Dong,Jing Wang,Chaoyue Chen,Yun Ye,Zhongming Ren,Shuo Yin,Zhenyu Yuan,Min Liu,Kesong Zhou +8 more
TL;DR: In this paper , the influence of aging temperature and time on the microstructure and mechanical properties of SLM 17-4 PH steel was investigated, and an optimal heat-treatment regime for the SLM high-performance steels was proposed.
Manufacturability study in laser powder bed fusion of biomedical Ti alloys for orthopedic implants: an investigation of mechanical properties, process-induced porosity and surface roughness
Mudassar Rehman,Yanen Wang,Kashif Ishfaq,Haiou Yang,Ray Tahir Mushtaq,Rajesh Kumar,Ammar Ahmed +6 more
TL;DR: In this paper , a parametric porosity simulation was performed to simulate the process-induced porosity for selective laser-melted Ti6Al4V as per full factorial design to find applications for fine process tuning in laser powder bed fusion of biomedical Ti alloys for loadbearing implants.
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References
Highly porous, low elastic modulus 316L stainless steel scaffold prepared by selective laser melting
Jaroslav Čapek,Jaroslav Čapek,Markéta Machová,Michaela Fousova,Jiří Kubásek,Dalibor Vojtěch,Jaroslav Fojt,Eva Jablonská,Jan Lipov,Tomáš Ruml +9 more
TL;DR: SLM is a suitable method for the fabrication of porous 316L stainless steel scaffolds with highly porous structures that exhibited mechanical properties similar to those of trabecular bone and cytocompatibility after one day that was similar to that of wrought 316L Stainless steel, which is a commonly used biomaterial.
179
On the effect of geometrical imperfections and defects on the fatigue strength of cellular lattice structures additively manufactured via Selective Laser Melting
M. Dallago,Bartlomiej Winiarski,Bartlomiej Winiarski,Filippo Zanini,Simone Carmignato,Matteo Benedetti +5 more
TL;DR: In this article, the results of fatigue and quasi-static tests were compared with FE calculations based on the as-designed geometry and on as-built geometry reconstructed from µCT scans, and the elastic modulus and the fatigue resistance resulted strongly correlated with the number and severity of defects.
165
The Effect of Selective Laser Melting Process Parameters on the Microstructure and Mechanical Properties of Al6061 and AlSi10Mg Alloys
TL;DR: The results obtained from this study could help to customize the part’s quality by satisfying their design requirements in addition to reducing as-built defects which, in turn, would reduce the amount of the post-processing needed.
153
Characteristics of 7055Al alloy powders manufactured by gas-solid two-phase atomization: A comparison with gas atomization process
TL;DR: In this article, the principle of gas-solid two-phase atomization methodology for metal powder is demonstrated and a cost-effective production technology for high-quality metal powder was proposed.
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Effect of hot isostatic pressing (HIP) treatment on the compressive properties of Ti6Al4V lattice structure fabricated by selective laser melting
TL;DR: In this paper, the compressive properties of selective laser melted (SLM) Ti6Al4V lattice structure were studied, and it was found that hot isostatic pressing (HIP) treatment significantly influenced the microstructure and compressive property of the SLM lattice, and as a consequence, the HIP samples exhibited significantly improved compressive strength and fracture strain as compared to the AF sample.
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