Mechanical properties

Silica fume as a partial replacement for cement in high-strength concrete has been the focus of numerous studies. However, the impact of substituting cement with silica fume in concrete mixtures on the mechanical and thermal properties of high-strength concrete remains insufficiently explored.

10p viyamanaka 06-02-2025 2 2   Download

The results of ultrasonic wave propagation experiments indicated that the presence of steel fibers at a 2% content increased the time of wave propagation. On the other hand, curing conditions, specimen maintenance time, and transmission path distance affected the ultrasonic wave propagation time in high-strength concrete.

11p viyamanaka 06-02-2025 2 2   Download

Carbon nanotubes (CNTs) are a new type of nano-adsorbent material with unique properties, which are promising adsorbents for the separation of enantiomers. Information regarding the interaction mechanism of enantiomers with carbon nanotubes has not yet been fully explored yet.

9p vibenya 31-12-2024 1 1   Download

The article investigates the potential of using sea sand and seawater from Ha Tien City, Kien Giang Province, in geopolymer concrete production. Geopolymer concrete is an environmentally friendly material that can help reduce greenhouse gas emissions while utilizing locally available resources.

5p vibenya 31-12-2024 8 2   Download

Document "Mechanical properties of solid polymer" presentation of content: Ideal Solids, tensile properties, shear properties, compressive properties, hardness, impact strength, coefficient of friction.

22p phamvanphat1891995 04-03-2016 54 2   Download

Is a branch of polymer science dealing with analysis and characterisation of polymers. üThe complication of macromolecular chains, the dispersion in molecular weight, tacticity, crystallinity, orientation, composition of polymers etc. and complex morphological systems ⇒ analysis of polymer ≠ the small organic materials ⇒ Focus on viscoelastic properties, dynamic mechanical testing.

114p buitiendung87 06-01-2011 343 154   Download

Properties of materials, classes of materials used in medicine,... As the main contents of the lectures "Biomaterials". Invite you to consult for additional documents for the academic needs and research.

21p thangdambme 23-10-2015 48 3   Download

To achieve the aim, the first objective is preliminary experiments on preparation of polypropylene blends with silicone elastomer masterbatch and characterize by analysis of mass composition, mechanical properties, and dynamic mechanical properties to investigate any improvement of properties. The silicone elastomer masterbatch will then be substituted with propylene-maleic anhydride graft copolymer waxes or other compatibilizers.

147p runthenight05 01-03-2023 8 3   Download

One of the main objectives for this thesis is to provide an extensive literature review on the knowledge of the failure of trees in general and specifically Eucalyptus. By doing so, gaps in the literature and research will be revealed and then the remaining objectives will be selected experimental work filling the gaps for Eucalypts.

103p runthenight04 02-02-2023 5 2   Download

The main focus of this research is the composite comparison of steel fiber, polypropylene fiber and basalt fiber as it is a new category of hybrid fiber reinforcement in high performance high volume flyash concrete. Also many other researchers have studied incorporating individual fibers in high volume flyash concrete to improve the mechanical properties.

165p runthenight04 02-02-2023 7 2   Download

This research investigates a means of negating such shortcomings and reaping the benefits of both LPBF additive manufacturing and traditional manufacturing methods by joining such parts together using laser welding in the autogenous mode (no fillers required). Based on the literature review conducted in this field and the gaps identified, a two-stage methodology was utilised, as per following.

191p runthenight04 02-02-2023 8 5   Download

Once the mechanical properties of printed TPU are characterised, a novel, low cost, and environmentally friendly method for concrete casting using printed TPU moulds is proposed in this thesis. Additively manufactured TPU mould is developed to cast complex concrete structures. A planar topologically optimized cantilever and a free-form 3D column are cast using the proposed TPU mould. Good surface quality is obtained for the cast concrete elements, and the moulds can be reused many times after cleaning.

98p runthenight04 02-02-2023 10 4   Download

The recent advances in the study of the unique capabilities of monolayer crystals had predicted piezoelectricity in two-dimensional (2D) group IV chalcogenides which are not present in their bulk forms. In this study, the predicted piezoelectric properties of was experimentally explored through Piezoelectric Force Microscopy (PFM). Tin Sulfide (SnS), Tin Selenide (SnSe), Germanium Sulfide (GeS), were exfoliated from their bulk forms by the top down methods of liquid sonication, while and Tin Disulfide (SnS2) mechanically exfoliated by tape.

82p runthenight04 02-02-2023 10 3   Download

The aim of this project was to design, fabricate and characterise multifunctional structural composites incorporating phase change materials for thermal management applications. The specific research objectives to achieve this goal were formulated as follows: Investigate effective methods to integrate microencapsulated PCMs into glass fibrereinforced epoxy composites; Evaluate the mechanical properties of micro-PCMs enhanced FRP composites and investigate associated failure mechanisms; Study the thermal management effectiveness of micro-PCMs enhanced FRP composites.

125p runthenight04 02-02-2023 12 3   Download

The thesis consists of five chapters which aim to investigate the mechanical properties and fabricating processes of different biomedical Ti scaffolds, with the structure presented: Chapter 1 is a generalized introduction to the content of the thesis, including the background, scopes and objectives of the research. In Chapter 2, a comprehensive literature review is presented. Chapter 3 presents the design and fabrication of the Ti scaffolds. In Chapter 4, the mechanical properties of the fabricated Ti scaffolds were analyzed.

109p runthenight04 02-02-2023 9 4   Download

Steel fiber reinforced concrete (SFRC) is a multiple-composite material developed during the early 1970s. In SFRC, short steel fibers are randomly distributed in concrete. Steel fibers can prevent the development of micro-cracks inside the concrete and reduce the expansion and development of the macro-cracks, thus enhance mechanical performance of SFRC. However, there is lack of studies on the influence of flowability of fresh SFRC on the steel fiber distribution patterns and mechanical properties of hardened SFRC.

85p runthenight04 02-02-2023 8 4   Download

Once the mechanical properties of printed TPU are characterised, a novel, low cost, and environmentally friendly method for concrete casting using printed TPU moulds is proposed in this thesis. The findings of this thesis will provide clear guidelines for the selection of processing parameters for additively manufactured TPU parts and the method of casting complicated concrete structures with additively manufactured TPU mould.

98p runordie3 06-07-2022 15 3   Download

Theoretical aim: An overview study of the production process, physicochemical properties and applicability of 2.5-dimethylfuran on on internal combustion engines (especially SI engines) to determine the reasearch gap, scope and plan; the theoretical basis study of combustion and emission of SI engines using DMF as fuel to examine the technical parameters and emissions of the engine when using DMF-gasoline blends on a gasoline engine.

28p closefriend09 16-11-2021 26 6   Download

Goals of the thesis: Preparing of zirconia/silane combined films on steel subtrate for organic coatings to replace phosphate and chromate pretreatment; Proposing the mechanism of film formation process and assessing characteristics of morphology, composition, electrochemical properties and bonding of the zirconia/silane film.

27p extraenglish 24-05-2021 24 5   Download

Equivalent inclusion approach is then developed to account for possible diversions, such as non-idealistic geometric forms of the inhomogeneities, imperfect matrix-inclusion contacts, filler dispersions, and when the particular values of the fillers’ properties are unspecified, using available numerical or experimental reference conductivity data for particular composites.

28p capheviahe27 23-02-2021 28 4   Download