Showing papers in "Materials & Design in 2021"

TL;DR: A comprehensive review of metal additive manufacturing in the aerospace industry can be found in this paper, where the primary application scenarios and the associated commercial and technical benefits of additive manufacturing for these applications are summarized.

TL;DR: A comprehensive review of the SHSO membranes, fabrication and characterization methods, the advantages and disadvantages of the fabrication techniques, current status and prospects of SHSO surfaces, and potential future research directions is provided in this paper.

TL;DR: In this paper, the authors focus on process planning including build orientation, slicing, and path planning, as well as the definition of process parameter selection from a single track to multi-track and multilayer, and finally geometric features from a thinwall to lattice structures with several case studies.

TL;DR: Wang et al. as mentioned in this paper combined the comprehensive optimized PLLA (L-polylactic acid)/nano-HA (nHA) composite with the low-cost and stable Fused deposition modeling (FDM) technology to successfully prepare PLLa/nHA porous bone repair scaffolds.

TL;DR: In this article, a review of the structural elements of high entropy oxides (HEO) is presented and a critical comparison with medium and low entropy metal oxides in terms of the important functionality of HEO to exhibit higher oxygen mobility and withhold high population of oxygen vacancies as well as leading to high metal dispersion.

TL;DR: In this article, a functionally graded material (FGM) part was fabricated by depositing a Cu-based alloy on top of a high strength low alloy (HSLA) steel by twin-wire and arc additive manufacturing (TWAAM).

TL;DR: In this paper, a new single-phase face-centered cubic (FCC) structure was designed to achieve enhanced strength and ductility in medium entropy alloys (MEAs).

TL;DR: In this paper, the relationship between microstructures and hardening properties of laser powder bed fused (L-PBF) 316-L stainless steel was investigated using integrated experimental efforts and calculations, and the evolution of microstructure entities such as dislocation density, organization, cellular structure and recrystallization behaviors were characterized as a function of heat treatments.

TL;DR: In this paper, the authors present a review of the literature in the field of heat treatment of selective laser melted aluminium alloys, aiming at providing a comprehensive understanding of the relationship between the induced microstructure and the resulting mechanical behaviour, as a function of the various treatment strategies.

TL;DR: In this paper, the structure-directing role of nano-ZnO templates for the construction of porous carbon nanomaterials and the capacitance performance of corresponding carbon materials.

TL;DR: In this article, the authors reviewed the fundamental mechanisms, theoretical research, sensor fabrication methodologies, and applications of flexible piezoelectric materials and explained their properties for physiological signal monitoring, motion detection, and force sensing.

TL;DR: This work establishes regularized deep neural networks for predicting HEA phases and optimize hyper-parameters concerning model architecture, training, and regularization, and focuses on developing conditional generative adversarial network for generating additional HEA samples.

TL;DR: In this article, a scalable spray-coating and dipcoating strategy is developed to fabricate the multifunctional reduced graphene oxide/Ti3C2Tx MXenes decorated cotton fabrics.

TL;DR: In this paper, a comprehensive critical description is given on the fundamentals and development of grain boundary diffusion process (GBDP), based on the world-wide progress and the results from the authors' groups.

TL;DR: In this article, the authors investigated in vitro corrosion behavior and the characteristics of passive films formed on L-PBF-produced Ti-6Al-4V in both static and dynamic Hank's solutions.

TL;DR: In this article, the role of common antibacterial metallic elements in improving the antibacterial properties and corrosion resistance of Mg-based alloys, including sliver (Ag), Zinc (Zn), and copper (Cu).

TL;DR: In this paper, the authors consider biological structures from marine and terrestrial animals that safeguard their body parts from external attack and discuss biological structures that are not employed for protective purposes but provide flexibility and have damage tolerant properties suitable for developing strong, tough and lightweight bio-inspired armour.

TL;DR: In this article, microstructural refinement (MR) and eutectic solidification (ES) are combined to solve the problem of hot cracking and other defect formation during additive manufacturing.

TL;DR: In this article, an anisotropic graphene-based meta-filter was proposed to enable versatile beam behaviors and low reflection loss under orthogonal polarization, which is a promising candidate for future electronic applications in special scenarios calling for excellent environmental resistance and superb flexibility.

TL;DR: In this paper, an equiatomic AlCoCrFeNi high-entropy alloy (HEA)-particle-toughened, Zr-based metallic glass composites by spark plasma sintering is presented.

TL;DR: Magnetoactive soft materials (MSMs) as mentioned in this paper are soft polymeric composites filled with magnetic particles that are an emerging class of smart and multifunctional materials with immense potentials to be used in various applications including but not limited to artificial muscles, soft robotics, controlled drug delivery, minimally invasive surgery, and metamaterials.

TL;DR: In this paper, the formation mechanism of the pores, the macro/microstructures, as well as the mechanical properties of the parts were investigated, and it was found that the pores were mainly clustered at the inter-layer.

TL;DR: In this paper, the optimum processing window for the Al-Mn-Mg-Sc-Zr alloy fabricated by selective laser melting (SLM) has been established for the first time, covering the range of processing parameters that can lead to a good combination of part density, strength, ductility, and processability.

TL;DR: In this paper, an optimal deep neural network (DNN) model was formulated with 27 inputs parameters, 2 hidden layers each having 200 nodes and 4 output parameters with an initial learning rate 0.0001, using Adam optimizer and subjected to Z pre-processing method.

TL;DR: In this article, the authors presented that the addition of both Ni and Ti can suppress the crack formation and enhance the formability of NbMoTaTi0.5Ni 0.5

TL;DR: In this article, a comprehensive review of additive manufacturing applied to various shape memory alloys (SMAs) is presented, with focus on the influence of process parameters and heat-treatment on the microstructure, printability, and structural and functional behavior of additively fabricated samples.

TL;DR: A review of the recent advances in the 3D bioprinting of vascularized tissues offers great potential to achieve vascularization in printed tissues, which is an important milestone towards organ printing in the foreseeable future.

TL;DR: In this paper, the authors provide a brief background of the history of additive manufacturing and the classification of the different printing techniques, and identify the intensification of processes, among other aspects, as the key for understanding the union of 3D-printing and catalysis.

TL;DR: In this article, a Ni-rich NiTi-20Zr (at.%) high temperature shape memory alloy was used for laser welding and defect-free welds were obtained with a conduction welding mode.

TL;DR: In this paper, chitosan (CS) microspheres with a core-shell structure were prepared using highvoltage electrostatic drop technology, and the antimicrobial polypeptide (PonG1) and bFGF, were encapsulated in the core of the CS microsphere.