Mechanical properties of a Ti6Al4V porous structure produced by selective laser melting

Sun, Jianfeng; Yang, Yongqiang; Wang, Di

doi:10.1016/j.matdes.2013.01.038

Cited by 127 publications

(50 citation statements)

References 15 publications

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“…SLM has the capability of producing structures of complex freeform geometry. It has been demonstrated to manufacture cellular lattice structures with fine features, showing a great potential to make advanced lightweight structures and products which are highly desired by engineering sectors such as aerospace, automotive and medical industries [8,9]. In addition, the use of low volume lattice structures can prevent the limitations of the SLM process being an expensive manufacturing method due to the expensive powdered metal materials requiring fine particle sizes and proper morphology, and the immense consumption of building time since only considerably small quantities of material can be processed per time [10].…”

Section: Introductionmentioning

confidence: 99%

Advanced lightweight 316L stainless steel cellular lattice structures fabricated via selective laser melting

et al. 2014

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Please cite this article as: Yan, C., Hao, L., Hussein, A., Young, P., Raymont, D., Advanced lightweight 316L stainless steel cellular lattice structures fabricated via selective laser melting, Materials and Design (2013), doi: http://dx.doi.org/10.1016/j.matdes. 2013.10.027 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Section: Introductionmentioning

confidence: 99%

Advanced lightweight 316L stainless steel cellular lattice structures fabricated via selective laser melting

et al. 2014

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“…(2) [55]. When equivalent plastic strain reaches the damage initiation plastic strain ε pl 0 , the stressstrain curve reaches its peak and after which the material stiffness [1][2][3][4][5][6][7][8] starts to degrade, as shown in Fig. 8.…”

Section: Numerical Modelmentioning

confidence: 99%

“…As the printed structure is often used as a "support component", the microstructure, structural strength and fatigue behavior have recently received a great deal of attention [4][5][6]. As a realization of the advantage of fabrication by SLM 3D printing method, design and optimization for light weight, porous or lattice structures have received a lot of attention recently [6][7][8][9]. Challis et al [6] developed two types of Ti6Al4V open-cell structures by topology optimization and gyroid labyrinth design, fabrication was done by SLM method.…”

Section: Introductionmentioning

confidence: 99%

Crushing behavior of a thin-walled circular tube with internal gradient grooves fabricated by SLM 3D printing

Yang

Wei

et al. 2017

Thin-Walled Structures

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“…Compared with stainless steel and CoCr alloy, Ti6Al4V is characterized by outstanding biological compatibility, corrosion resistance, and an elastic modulus more similar to bone tissues than other alloys. Hence, it is usually used for medical purpose and is of great value to biomedical research and applications [3][4][5][6]. Titanium alloy is manufactured using casting or forging traditionally.…”

Section: Introductionmentioning

confidence: 99%

Research on Selective Laser Melting of Ti6Al4V: Surface Morphologies, Optimized Processing Zone, and Ductility Improvement Mechanism

Wang

Dou

Yang

2018

Metals

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Abstract:The quality and mechanical properties of titanium alloy fabricated using selective laser melting (SLM) are critical to the adoption of the process which has long been impeded by the lack of uniformity in SLM-fabrication parameter optimization. In order to address this problem, laser power and scanning speed were combined into linear energy density as an independent variable, while surface morphology was defined as a metric. Based on full-factor experiments, the surface quality of SLM-fabricated titanium alloy was classified into five zones: severe over-melting zone, high-energy density nodulizing zone, smooth forming zone, low-energy density nodulizing zone, and sintering zone. The mechanism resulting in the creation of each zone was analyzed. Parameter uniformity was achieved by establishing a parameter window for each zone, and it also revealed that under smooth forming conditions, the relationship of linear energy density to the quality of the formed surface is not linear. It was also found that fabrication efficiency could be improved in the condition of the formation of a smooth surface by increasing laser power and scanning speed. In addition, maximum elongation of the SLM-fabricated titanium alloy increased when the densified parts were processed using an appropriate heat treatment, from a low value of 5.79% to 10.28%. The mechanisms of change in ductility of the alloy were thoroughly analyzed from the perspectives of surface microstructure and fracture morphology. Results indicate that after heat treatment, the microcosmic structure of the alloy was converted from acicular martensite α' phase to a layered α+β double-phase structure, the fracture type also changed from quasi-cleavage to ductile fracture.

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Mechanical properties of a Ti6Al4V porous structure produced by selective laser melting

Cited by 127 publications

References 15 publications

Advanced lightweight 316L stainless steel cellular lattice structures fabricated via selective laser melting

Advanced lightweight 316L stainless steel cellular lattice structures fabricated via selective laser melting

Crushing behavior of a thin-walled circular tube with internal gradient grooves fabricated by SLM 3D printing

Research on Selective Laser Melting of Ti6Al4V: Surface Morphologies, Optimized Processing Zone, and Ductility Improvement Mechanism

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