· An improved double-arrow auxetic honeycomb metamaterial (MDAH) with two-step deformation mode was proposed and manufactured, and its in-plane crushing behavior was studied experimentally, numerically
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· Nowadays, the design and construction of structures with the ability to withstand impact and control energy is of great importance to save human life or equipment. Honeycomb shock absorber structures are the best type of shock absorbers due to their low-density, high-energy efficiency and absorption capacity, low cost and weight. In this
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· Government, design institutes, construction departments and project managers should be involved in the creation and use of RCA. In demolition and construction, the main players are the project owners.
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In summary, the results of this study will serve as a valuable dataset in the eld of additive manufacturing, providing valuable insights for other researchers working with recycled PLA material. Keywords Fused deposition modelling (FDM) · Recycled polylactic acid (recycled PLA) · Taguchi design of experiment
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:Crushing PlantsOperation of A Crushing PlantOptimization Capabilities · The recent progress for enhancing the durability of PLA-based products consisting of hybrid nonrenewable and renewable carbon has been attained by
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Symmetry 2023, 15, 1343 4 of 14 overall solution, as compared to the optimum found by optimizing each solution sequentially, also takes into account the interaction between them. The application of interdisciplinary design optimization in the modeling of mineral
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· In recent years, research on the tensile properties of PLA 3D-printing materials has been booming, as shown in Table 1. The most common approach involves enhancing the tensile properties of PLA materials by adding fillers [ 10 ]. This includes adding fillers, adjusting parameters, and improving the mixing process.
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:Publish Year:2021Neelima Tripathi, Manjusri Misra, Amar K. MohantyThe thesis describes the results of explorative studies carried out for developing the application of optimization methods and key performance indicators for the coarse
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The results illustrated that the fabricated PLA scaffolds had porous structure. The porosity was about 71.65% with pore size ranged from 20 to 90 μm. The compressive modulus of elasticity was 2.
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· This study conducts an experimental exploration and thorough analysis of the influence of annealing on the impact resistance of PLA 3D-printed components. The investigation extends its scope to
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· Abstract. This research involves the optimization of aggregate production using the Taguchi approach to maximize the production rate of Gneiss stone. The L18 orthogonal array has been used to
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· It is expected to rise by 30 % in the next two years as a result of its requirement and widespread use of PLA in the food industry for packaging. PLA has been classified as Generally Recognized As Safe (GRAS) by the United States Food and Drug Administration (FDA) and has been found to be safe for all food packaging applications
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The dominance of PET in packaging research efforts focus on improving the mechanical recycling process. [ 53 , 102 ] While inclusion of additives can improve the properties of the recycled PET, their exact effects, especially at end-of-life, are not well understood and thus can further complicate recycling.
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· Compared with traditional wood materials, wood-plastic composites have the advantages of low water. absorption, not easy to deformation and cracking, anti-insects did not change, moisture, acid
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· Controlled drug release is an important aspect of biomedical applications of polymer materials. Polylactic acid (PLA)-based materials have been thoroughly researched for biomedical applications, owing to their attractive properties. Here, the advancements in the preparation and application of PLA-based polymers for drug delivery are reviewed. In
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Considering this growing interest in the health sector, there is a need for research to promote the development of new technologies that facilitate and improve the use of PLA [2, 6]. Thus, this review discusses the advantages and limitations of PLA, since it is one of the most commonly used biopolymers in the biomedical field.
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· Modeling and Improving the Efficiency of Crushing Equipment. Natalia V asilyeva * , Uliana Golyshevskaia and Aleksandra Sniatkova. Mineral Raw Material Processing Faculty, Saint Petersburg Mining
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· Abstract and Figures. PhD Thesis Cone crushers are used by both the aggregate producing and the mining industry. Both industries are interested in increasing the product quality while at the same
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· Previous studies presented in the literature [25,28,29,31,[39][40][41] 48, 49] mainly focused on the analysis of geometric parameters for feed material, which is unseparated material sampled
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· Lee et al. [35] reported a 10% increase in tensile strength for a 40 wt.% wood flour/ talc-filled PLA composite with the addition of 1% silane. Csizmadia et al. [36] improved the biocomposites
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· This study experimentally investigated the energy-absorbing capability of foam-filled 6063-T5 aluminum tubes. Thus, different sample combinations were created with two different foams, PVC (80 kg
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· This research presents results of classic tensile strength tests performed on 57 PET-G specimens and 57 PLA specimens manufactured with varying technological parameters such as: printing
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· The improvement of technological and crushing processes, in particular, is nected directly to modeling. Thus, it is important to study the patterns between the rameters of technological processes. It will give us an opportunity to improve the meth-ods of calculation of various equipment, etc.
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:Khaled Ali AbuhaselPublish Year:[email protected] · 2. Increasing PLA crystallinity to improve heat resistance Different types of spherulite can be formed in PLA under different crystallization conditions. It has been found that PLA has four crystal types, namely α, α′, β and γ forms, which have different spiral structures
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· Additive manufacturing has many techniques and has been frequently used and studied recently. The fused deposition modeling (FDM) method, which is one of these techniques, is a widely used three-dimensional (3D) printing method that works with the extrusion principle. The parameters used during printing affect the properties of the final
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· This work aims to explore crashworthiness of square aluminum/CFRP tubes with different hybrid schemes under quasi-static axial loading condition, and maximize their crashworthiness by performing multi-objective discrete robust optimization design. In the present study, metal/CFRP hybrid tubes with two hybrid schemes and their
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· Further, the PLA random honeycomb-filled double circular tubes (PLA-RHFDCTs) were prepared, and the crushing performance of the PLA-RHFDCTs was systematically studied. Based on the analysis of experimental results, the following conclusions can be drawn:
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· The PLA-based biocomposites are economical, full/partial biodegradable depends upon types of reinforcement, light in weight, and also offer good thermal and mechanical properties. A number of research works have been performed on PLA and its biocomposites to explore their potential for sustainable products.
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· Biodegradable plastics are among the most promising materials to replace conventional petroleum-based plastics that have caused many adverse impacts on the environment, such as pollution (land, water, etc.) and global warming. Among a range of biodegradable plastics, poly lactic acid (PLA) is not only widely available but also safe to
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The objective of the crushing plant operation for the aggregates industry is to supply specific size fractions of rock material for infrastructure development, while the objective
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Trituradora de piedra vendida por proveedores certificados, como trituradoras de mandíbula/cono/impacto/móvil, etc.
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