Numerical and Experimental Investigation of Cumulative Fatigue Damage under Random Dynamic Cyclic Loads of Lattice Structures Manufactured by Laser Powder Bed Fusion

Article Engineering, Mechanical

Variable amplitude fatigue behavior and modeling of cast aluminum

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Summary: The study evaluated the fatigue performance of high pressure die cast A356-T6 aluminum alloy under a real industrial load spectrum, investigated the mean stress effect, and estimated the fatigue life using different approaches.

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES (2021)

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The role of node fillet, unit-cell size and strut orientation on the fatigue strength of Ti-6Al-4V lattice materials additively manufactured via laser powder bed fusion

M. Dallago et al.

Summary: The study on L-PBF Ti-6Al-4 V cubic lattice specimens revealed that smoothing the strut fillets at their node improves fatigue performance, and the printing direction also affects fatigue strength and failure behavior.

INTERNATIONAL JOURNAL OF FATIGUE (2021)

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Article Engineering, Mechanical

Powder characterization and part density for powder bed fusion of 17-4 PH stainless steel

Sean Daniel Dobson et al.

Summary: This study shows that fully dense parts can be fabricated using powders with varying flowability and packing behavior. This suggests that a single flowability measurement may be enough for quality assurance in a production setting.

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Article Engineering, Multidisciplinary

Experimental study on the high-damping properties of metallic lattice structures obtained from SLM

F. Scalzo et al.

Summary: Selective Laser Melting technology can create lightweight lattice structures with complex geometries, greatly enhancing the overall mechanical properties of components and providing excellent damping characteristics. Research shows that lattice structures have superior damping characteristics compared to solid materials with equivalent static stiffness.

PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY (2021)

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Review Materials Science, Multidisciplinary

Architected cellular materials: A review on their mechanical properties towards fatigue-tolerant design and fabrication

M. Benedetti et al.

Summary: Metal additive manufacturing is now a mature technology that is being used to produce high-performance parts, including mission-critical components. The intentional design of porous metal structures, such as cellular or lattice structures, offers advantages in terms of specific mechanical or performance characteristics. While concerns over structural integrity remain, improvements in the manufacturing processes are leading to better fatigue properties for additively manufactured cellular structures.

MATERIALS SCIENCE & ENGINEERING R-REPORTS (2021)

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Article Physics, Applied

Dynamic characterization of 3D printed mechanical metamaterials with tunable elastic properties

Mohammad Naghavi Zadeh et al.

Summary: Mechanical metamaterials are advanced engineering materials with tunable elastic properties and a strong influence of Poisson's ratio on damping performance. Geometrical design plays a crucial role in tuning the various types of quasi-static and dynamic properties of such materials.

APPLIED PHYSICS LETTERS (2021)

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Review Engineering, Manufacturing

Compressive behavior and vibration-damping properties of porous Ti-6Al-4V alloy manufactured by laser powder bed fusion

Jiangwei Liu et al.

Summary: By using laser powder bed fusion (LPBF) technique to manufacture porous Ti-6Al-4V alloy with various cell geometries and sizes, the influence of structural characteristics on compressive behavior and vibration-damping abilities was systematically investigated. The compressive performance is closely related to both the cell geometries and sizes of specimens, while the energy absorption capability increases linearly with increasing density. Additionally, the variation of natural frequency is proportional to the specific strength of the cellular structures, with larger cell sizes exhibiting better damping abilities.

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Article Engineering, Mechanical

Selective laser melting of magnesium AZ31B alloy powder

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RAPID PROTOTYPING JOURNAL (2020)

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Article Materials Science, Multidisciplinary

Enhancement of the Damping Behavior of Ti6Al4V Alloy through the Use of Trabecular Structure Produced by Selective Laser Melting

Jacopo Fiocchi et al.

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Article Materials Science, Multidisciplinary

Laser Polishing of Ti6Al4V Fabricated by Selective Laser Melting

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METALS (2020)

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Influence of the Energy Density for Selective Laser Melting on the Microstructure and Mechanical Properties of Stainless Steel

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Melting, fusion and solidification behaviors of Ti-6Al-4V alloy in selective laser melting at different scanning speeds

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RAPID PROTOTYPING JOURNAL (2020)

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Article Engineering, Mechanical

Modulating the damping capacity of SLMed AlSi10Mg trough stress-relieving thermal treatments

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THEORETICAL AND APPLIED FRACTURE MECHANICS (2020)

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Article Engineering, Biomedical

Fatigue behavior of As-built selective laser melted titanium scaffolds with sheet-based gyroid microarchitecture for bone tissue engineering

Cambre N. Kelly et al.

ACTA BIOMATERIALIA (2019)

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Article Materials Science, Multidisciplinary

Compression-compression fatigue behaviour of gyroid-type triply periodic minimal surface porous structures fabricated by selective laser melting

Lei Yang et al.

ACTA MATERIALIA (2019)

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Article Engineering, Mechanical

Experimental and numerical investigation on compressive fatigue strength of lattice structures of AlSi7Mg manufactured by SLM

L. Boniotti et al.

INTERNATIONAL JOURNAL OF FATIGUE (2019)

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Review Materials Science, Multidisciplinary

SLM lattice structures: Properties, performance, applications and challenges

Tobias Maconachie et al.

MATERIALS & DESIGN (2019)

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Article Engineering, Biomedical

Fatigue performance of additively manufactured meta-biomaterials: The effects of topology and material type

S. M. Ahmadi et al.

ACTA BIOMATERIALIA (2018)

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Article Materials Science, Multidisciplinary

Compressive and fatigue behavior of functionally graded Ti-6Al-4V meshes fabricated by electron beam melting

S. Zhao et al.

ACTA MATERIALIA (2018)

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Article Mechanics

Elastically-isotropic truss lattice materials of reduced plastic anisotropy

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INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES (2018)

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Article Chemistry, Multidisciplinary

3D Plate-Lattices: An Emerging Class of Low-Density Metamaterial Exhibiting Optimal Isotropic Stiffness

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ADVANCED MATERIALS (2018)

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Article Engineering, Biomedical

Improving the fatigue performance of porous metallic biomaterials produced by Selective Laser Melting

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ACTA BIOMATERIALIA (2017)

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Additively manufactured metallic porous biomaterials based on minimal surfaces: A unique combination of topological, mechanical, and mass transport properties

F. S. L. Bobbert et al.

ACTA BIOMATERIALIA (2017)

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Article Materials Science, Multidisciplinary

Additively-manufactured metallic micro-lattice materials for high specific energy absorption under static and dynamic loading

Thomas Tancogne-Dejean et al.

ACTA MATERIALIA (2016)

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Article Engineering, Biomedical

Relationship between unit cell type and porosity and the fatigue behavior of selective laser melted meta-biomaterials

S. Amin Yavari et al.

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS (2015)

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Article Engineering, Manufacturing

A finite element unit-cell method for homogenised mechanical properties of heterogeneous plates

A. Schmitz et al.

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING (2014)

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Fatigue design of lattice materials via computational mechanics: Application to lattices with smooth transitions in cell geometry

Ehsan Masoumi Khalil Abad et al.

INTERNATIONAL JOURNAL OF FATIGUE (2013)

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Fatigue behavior of porous biomaterials manufactured using selective laser melting

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JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES (2011)

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Dynamic response of chiral truss-core assemblies

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JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES (2006)

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Numerical and Experimental Investigation of Cumulative Fatigue Damage under Random Dynamic Cyclic Loads of Lattice Structures Manufactured by Laser Powder Bed Fusion

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