Journal•ISSN: 0036-8792
Industrial Lubrication and Tribology
Emerald Publishing Limited
About: Industrial Lubrication and Tribology is an academic journal published by Emerald Publishing Limited. The journal publishes majorly in the area(s): Lubrication & Tribology. It has an ISSN identifier of 0036-8792. Over the lifetime, 2010 publications have been published receiving 14857 citations. The journal is also known as: Industrial lubrication & tribology.
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TL;DR: In this article, the authors investigated the tribological properties of liquid paraffin with SiO2 nanoparticles additive made by a sol-gel method and found that the size of the synthesized particles is distributed uniformly.
Abstract: Purpose – The purpose of this paper is to investigate the tribological properties of liquid paraffin with SiO2 nanoparticles additive made by a sol‐gel method.Design/methodology/approach – The tribological properties of the SiO2 nanoparticles as an additive in liquid paraffin are measured using a ball‐on‐ring wear tester to determine the optimal additive concentration. The mechanism that wear and friction are reduced is studied using scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), and atomic force microscope (AFM).Findings – Experimental results indicate that the sizes of the synthesized SiO2 nanoparticles are distributed uniformly and that the optimal concentrations of SiO2 nanoparticles in liquid paraffin is associated with better tribological properties than pure paraffin oil, and an anti‐wear (AW) ability that depends on the particle size.Originality/value – It is shown in the paper that by reducing friction and AW, the lubricant prepared by the methods described can prolong ...
179 citations
TL;DR: In this article, the impact of microstructure on the tribological performance of polymeric nanocomposites was examined and it was shown that when the microstructural homogeneity was improved, their wear resistance could be increased significantly.
Abstract: Nanocomposites represent a new prospective branch in the huge field of polymer materials science and technology. It has been shown that an overall enhancement of properties of polymers can be achieved under certain conditions by the addition of nanoparticles. To examine the influence of microstructure on the tribological performance of nanocomposites, different ways of compounding were used in this study. It was found that the friction and wear behavior of polymeric nanocomposites under sliding environment was rather sensitive to the dispersion states of the nanoparticles. When the microstructural homogeneity of the nanocomposites was improved, their wear resistance could be increased significantly. The present work demonstrates the importance of TiO2‐nanoparticles dispersion in an epoxy resin matrix, on the materials’ tribological properties, when sliding against a smooth steel counterpart.
143 citations
TL;DR: A new class of bio-based esters derived from vegetable oils that exhibit excellent low temperature flow properties and oxidation stability are discussed in this paper, which is possible due to recent advances in the biotechnology of vegetable oils and the chemical modifications that could be applied to convert these natural esters into high performance biolubricants.
Abstract: Lubricants impact on the environment at all stages of production, usage and disposal. The awareness and concern over the usage of petroleum‐based products and their impact on the environment have created an opportunity to produce environmentally acceptable lubricants from agricultural feedstocks. A new class of bio‐based esters derived from vegetable oils that exhibit excellent low temperature flow properties and oxidation stability are discussed. One of the major advantages of bio‐based synthetic esters in better performance at a lower cost compared to synthetic esters. This is possible due to recent advances in the biotechnology of vegetable oils and the chemical modifications that could be applied to convert these natural esters into high performance biolubricants.
127 citations
TL;DR: In this article, a critical review has been made on vegetable-based lubricant additives with specific properties and application, which will give a better understanding of using biodegradable lubricating oil additives.
Abstract: Recently, much effort has been focused on research and development of new types of lubricating oil additives to reduce wear and friction in the tribological systems. It has been noted that the use of additives to improve the lubricating capacity and durability of oil plays an important role in the wear and friction process of materials. Due to the environmental problems, many researchers are embarking on the viability of the vegetable‐based lubricants. In this article a critical review has been made on vegetable‐based lubricant additives with specific properties and application. This article explains the advantages and manufacturing processes of vegetable‐based oils, which will give a better understanding of using biodegradable lubricating oil additives. A case study on palm oil methyl ester as an additive has been presented in this paper.
120 citations
TL;DR: In this paper, it was shown that it is possible to make a wear-resistant thrust bearing able to take up to about 1 kg thrust from a shaft rotating at at least 50,000 rp.m. without incurring a power consumption much in excess of 1.5 watts.
Abstract: Our work on spiral groove bearings in the Research Laboratories began in 1960, when we were consulted on the following problem. Would it be possible to make a wear‐resistant thrust bearing able to take up to about 1 kg thrust from a shaft rotating at at least 50,000 r.p.m., without incurring a power consumption much in excess of 1.5 watts ? The bearing was to support the end of the shaft, and it had to be suitable for operation in a vacuum.
106 citations