Advanced materials used in automotive industry-a review

Sivanur, Karthik; Umananda, K; Pai, D Shivananda

doi:10.1063/5.0036149

Cited by 22 publications

(10 citation statements)

References 34 publications

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“…[5][6][7][8] The practical applications of polymer nanocomposites have obvious potential benefits for structural materials, such as lighter and more fuel-efficient vehicles. [9][10][11] Despite significant progress in overcoming the limitations of the polymer manufacturing process, the researchers' main concern is ensuring appropriate dispersion of the nanoscale reinforcement in the matrix material. Without appropriate dispersion, filler aggregates into the matrix, limiting composite performance.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and tribological behavior of MnO₂/epoxy nanocomposites

Hussain

Khan

2022

High Performance Polymers

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Tribology is the study of moving surfaces, and it has a variety of effects on our lives. From an economic point of view, wear is one of the most important aspects of an industry’s viability. Parts of the machine can wear out, and they need to be replaced. This is especially important for polymer-based materials. Therefore, it is important to reduce maintenance costs and improve machine reliability in a variety of engineering applications through proper material selection. The present investigation deals with the fabrication of manganese dioxide (MnO2)/epoxy nanocomposite and investigates its tribological properties. The MnO2/epoxy nanocomposites were fabricated via a solution mixing technique. The phase identification and surface morphology of the sample was examined by X-ray diffractometer and field emission scanning electron microscope, respectively. The mass density, micro-hardness, and specific wear rate data of samples revealed that the mass density, micro-hardness, and wear resistance of the samples increased with the addition of MnO2 in the epoxy matrix. The nanocomposite sample containing 0.5 wt. % MnO2 loading in the epoxy matrix shows higher density, micro-hardness, and wear resistance compared to other samples. The result also shows that with the addition of MnO2 in the epoxy matrix, the coefficient of friction of the samples is increased. The percentage reduction in specific wear rate due to the addition of 0.5 wt. % MnO2 in neat epoxy is 68.10%, whereas the percentage increase in the coefficient of friction is 19.30%. The results of the analysis of variance show the effect of adding wt. % of MnO2 in the epoxy matrix is significant in the tribological responses. The worn surface analysis shows that the fatigue wear mode seems to be the dominating mode of wear for all samples as compared to the other modes of wear. The properties of MnO2/epoxy nanocomposite data revealed that the developed material may be used in the automotive industry as a structural material, fabrication of snow sled, ball bearing housing, or plastic gear materials with adequate lubrication.

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Section: Introductionmentioning

confidence: 99%

Fabrication and tribological behavior of MnO₂/epoxy nanocomposites

Hussain

Khan

2022

High Performance Polymers

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“…Experts believe that using light alloy parts in conjunction with carbon fiber products instead of cast iron and steel will reduce vehicle weight by 60% on average. This is critical because it will be possible to save 2-2.5 liters of gasoline per 100 kilometers [6].…”

Section: The Merits and Advantages Of Aluminum And Aluminum-based Alloysmentioning

confidence: 99%

Development and investigation of the technological process of plasma carbothermal reduction of slag from secondary metallurgy of aluminum

Sakhvadze¹,

Janelidze

Mikadze

2022

Metall Mater Eng

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Based on a critical analysis of the current state and prospects of development of the problem of pyrometallurgical recovery/extraction of aluminum from aluminum-bearing industrial waste, the need to replace traditional, electrocarbonothermic processes and melting process units with innovative, plasma carbothermal processes and furnace-reactors, with the possibility of reverse feeding and recovery of gasified during melting metal and metal oxide components is substantiated. On the basis of this analysis a new technological scheme of smelting with a new design of plasma-arc furnace-reactor, which provides a solution to the problem using a special hollow double-shell graphite cathode connected to the system of circulating supply of gases separated from the reaction zone, was developed and presented. The proposed technological scheme also differs in the use of such highly active liquid and gaseous reagents as carbon-containing reducing agents as calcium carbide (CaC2) and methane (CH4). The main features of chemism of reducing processes are described. It is shown that by replacing traditional coke with anodized calcium carbide and natural gas (methane) the recovery rate of aluminum oxide (Al 29-34%) and silica (SiO2) and hematite (Fe2O3) present with it increases to 80-99%. Specific power consumption is reduced by 35-40%, the 90-95% reduction in the loss of target elements, the 80% reduction in the emission of greenhouse carbon dioxide, which is replaced by a very valuable recyclable synthesis gas - CO-H2. By additionally feeding separate portions of quartzite and steel-rolling scale in the furnace-reactor, a complex alloy-ligature of Fe-Si-Al-Ca system is melted, with the ratio of components: 1:[1.3-2]:[1.3-1.2]:[0.9-1.25]. With the introduction into industrial practice of the plasma carbothermal process of aluminum reduction from secondary aluminum dumping slags accumulated in the world (4 million tons/year), it will be possible to return up to 1-1.5 million tons/year of aluminum to the production processing cycle.

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“…Composite structures are widely used in automotive engineering, 1,2 biomechanics, 3–5 renewable energies, 6 and aerospace engineering, 7,8 and it has become commonly used in the field of civil engineering. 9–12 One of the challenges in road safety is the design of road safety beam barriers.…”

Section: Introductionmentioning

confidence: 99%

“…The integration of active stiffness control 28 composites aims to enable active stiffness reduction to reduce impact injuries in a collision while satisfying the structural stiffness requirements and lightweight objectives under normal operating conditions for car components but not for road barriers. 1 For crash absorption composite car parts, it is shown that finite element models are predictive of impact energy and structural deformation. The use of non-conventional and innovative materials is increasingly important in design; 29 for this reason, the perforation and the prestressing are studied in this paper.…”

Section: Introductionmentioning

confidence: 99%

Road guardrail beam made of natural stem (Stipa tenacissima L.) eco-composite: Impact energy absorption improvement by stems and pre-tensioning

Helaili

Bettaieb

Tarhouni

2023

Journal of Composite Materials

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Reducing accidents, deaths, and serious injuries is an objective to be achieved by every health and road authority. To avoid road leaving, rigid barriers or stretched cables are used at the edges of the roads. These structures are based on metallic materials. This paper presents an innovative structure based on a composite reinforced with natural esparto stems as road barriers absorbing shock energy. The structure is lightened and reinforced by tensioned cables to ensure the prestressing of the whole. Prestressing is a technique widely used in civil engineering but rarely in composites. To develop new crash beam barriers based on Epoxy/Alfa10% material, Charpy tests were conducted to determine the absorbed energy per section of material per weight. Knowing the energy to be absorbed, the section and weight of the barrier can be designed. In this paper, physical tests were conducted on solid, solid-compressed, perforated, and perforated-cable-reinforced specimens according to the ASTM E23-18 standard. The results show that the compression prestressing improves the Epoxy impact energy absorption by 37.22%. The Epoxy/Alfa10% composite compression prestressing improves the absorbed energy by 67.7%. The Epoxy/Alfa10% compressed, perforated, and reinforced by cables composites gives a better result than the raw Epoxy material, with a minimum improvement of 22.69% with respect to the ratio Resilience value of Charpy V-notch specimen (KCV)/weight. Reinforcement of holed samples with cables gives the best energy absorption results on all experimental tests for both materials with a value of 8.83 J. Finite element models calibrated on Aluminum to be predictive are developed for the four types of specimens.

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Advanced materials used in automotive industry-a review

Cited by 22 publications

References 34 publications

Fabrication and tribological behavior of MnO₂/epoxy nanocomposites

Fabrication and tribological behavior of MnO₂/epoxy nanocomposites

Development and investigation of the technological process of plasma carbothermal reduction of slag from secondary metallurgy of aluminum

Road guardrail beam made of natural stem (Stipa tenacissima L.) eco-composite: Impact energy absorption improvement by stems and pre-tensioning

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Advanced materials used in automotive industry-a review

Cited by 22 publications

References 34 publications

Fabrication and tribological behavior of MnO2/epoxy nanocomposites

Fabrication and tribological behavior of MnO2/epoxy nanocomposites

Development and investigation of the technological process of plasma carbothermal reduction of slag from secondary metallurgy of aluminum

Road guardrail beam made of natural stem (Stipa tenacissima L.) eco-composite: Impact energy absorption improvement by stems and pre-tensioning

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Fabrication and tribological behavior of MnO₂/epoxy nanocomposites

Fabrication and tribological behavior of MnO₂/epoxy nanocomposites