Investigation of Caryota urens fibers on physical, chemical, mechanical and tribological properties for brake pad applications

Krishnan, G. Sai; Kumar, S. Bharani; Babu, L. Ganesh; Kumaran, P.; Yoganjaneyulu, G.; Jeganmohan, Sudhanraj

doi:10.1088/2053-1591/ab5d5b

Cited by 29 publications

(11 citation statements)

References 31 publications

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“…Researchers face many difficulties in finding different ways to develop the material's workability without upsetting the industry's productivity and cost-cutting. As shown in Figure 7, there are many factors influencing the machinability of materials [47][48][49].…”

Section: Machinability Of Titanium Alloys and Nickel Based Superalloys (Ti̇tanyum Alaşimlari Ve Ni̇kel Esasli Süperalaşimlarin İşlenebi̇mentioning

confidence: 99%

An Evaluation on Machinability Characteristics of Titanium and Nickel Based Superalloys Used in Aerospace Industry

Yurtkuran

2021

İmalat Teknolojileri Ve Uygulamaları

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Superalloys are a group of materials that are commonly used in aerospace applications and are also called high temperature materials, as they have superior wear and corrosion resistance. Ni-based superalloys are used more often than Ti alloys in the aerospace industry as they have mechanical and physical properties such as superior temperature resistance and toughness, high corrosion resistance, excellent fatigue and creep resistance. Ti alloys, on the other hand, have the highest strength / weight ratio among metals, increasing their preference in these industries continuously. Casting, forging, powder metallurgy and machining methods are used in the process of shaping machine parts used in the aviation industry from superalloys. However, many components are mostly manufactured using machining methods due to the part geometry, desired size and surface quality requirements. In this context, in the production of parts from Ti alloys and Ni-based superalloys, which are difficult to process, the correct selection or optimization of processing parameters is very important in terms of minimization of processing costs and therefore sustainable manufacturing. In this study, factors such as cutting tool quality and cooling/lubrication technology were evaluated for criteria such as tool life, surface integrity and cutting forces, which have an important place in the machinability of titanium and nickel-based superalloys.

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Section: Machinability Of Titanium Alloys and Nickel Based Superalloys (Ti̇tanyum Alaşimlari Ve Ni̇kel Esasli Süperalaşimlarin İşlenebi̇mentioning

confidence: 99%

An Evaluation on Machinability Characteristics of Titanium and Nickel Based Superalloys Used in Aerospace Industry

Yurtkuran

2021

İmalat Teknolojileri Ve Uygulamaları

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“…The test schedule followed is as per the literature (Vijay et al , 2020). The test schedule of Chase testing is given in Table 4 (Saikrishnan et al , 2019b).…”

Section: Testing Of Brake Padsmentioning

confidence: 99%

Comparative study of different solid lubricants towards friction stability in a non-asbestos disc brake pad

Sethupathi

Chandradass

2021

ILT

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Purpose This study aims to compare the influence of different solid lubricants on the friction stability of a non-asbestos disc brake pad. Design/methodology/approach Three brake pads were developed using three lubricants, namely, non-asbestos brake pad with sulfide mix (NASM), non-asbestos brake pad with bismuth sulfide (NABS) and non-asbestos brake pad with molybdenum disulfide (NAMO). Sulfide mix was indigenously developed by physically mixing friction modifiers, alkaline earth chemicals and various metallic sulfides homogeneously dispersed in graphite medium. The physical, chemical, mechanical and thermal properties of brake pads were characterized as per industrial standards. The tribological performances were studied using the Chase testing machine as SAE-J661-2012. The worn surface of the pads was studied using scanning electron microscope to analyze the dominating wear mechanism. Findings NASM was excellent in fade as well as wear resistance. NABS was better from a wear point of view, but fade resistance was moderate despite its higher cost. NAMO fared average in fade and wear despite its excellent dry lubricating properties. NASM was excellent in terms of fade as well as wear resistance. Originality/value Among the selected metal sulfides, the indigenously developed sulfide mix was better than the other two sulfides, which indicates that the synergetic effect of metal sulfides was always preferable to the individual sulfides.

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“…Krishnan et al [6] investigated the use of C. urens, CaCO 3 , and SiC fillers in the production of car brake pads. The authors confirmed that the novel C. urens fiber-based epoxy composite was the best substitute for hazardous asbestos.…”

Section: Introductionmentioning

confidence: 99%

Mechanical, dielectric, and hydrophobicity behavior of coconut shell biochar toughened Caryota urens natural fiber reinforced epoxy composite

Jayabalakrishnan¹,

Prabhu²,

Iqbal

et al. 2021

Polymer Composites

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High toughness epoxy bio-composites were prepared using Caryota urens fiber and biochar particle for light weight and low cost engineering applications.The main aim of this research was to study the effect of adding biochar along with C. urens fiber in epoxy resin composite and its properties. The biochar used in this present study was prepared from coconut shell using pyrolysis process. The composites prepared with 5 vol% of biochar gives highest tensile strength and modulus of 172 MPa and 6.7 GPa. Similarly, the biochar of 7 vol% in epoxy resin reduced the wear volume to the greater extend. Moreover, a highest dielectric constant and loss factor of 6.2, 1.6, and a thermal conductivity of 0.33 W/mK with high hydrophobic contact angle of 70 was observed for composite made using 7 vol% of biochar. These improved dielectric, mechanical, barrier and tribological properties composite could be used as microwave shielding material in electronic gadgets, signal processing units and other telecommunication devices as shielding material with good mechanical properties required.

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Investigation of Caryota urens fibers on physical, chemical, mechanical and tribological properties for brake pad applications

Cited by 29 publications

References 31 publications

An Evaluation on Machinability Characteristics of Titanium and Nickel Based Superalloys Used in Aerospace Industry

An Evaluation on Machinability Characteristics of Titanium and Nickel Based Superalloys Used in Aerospace Industry

Comparative study of different solid lubricants towards friction stability in a non-asbestos disc brake pad

Mechanical, dielectric, and hydrophobicity behavior of coconut shell biochar toughened Caryota urens natural fiber reinforced epoxy composite

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