PROPERTIES OF HARD CHROME PLATING

PROPERTIES OF HARD CHROME PLATING

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This present work is to investigate the effects of chrome plating in reciprocating air compressors that result in reduction of power consumption. Reciprocating air compressors are the most commonly used compressors for domestic and industrial purposes to give required air output in terms of free air delivery, delivery temperature and maximum workin...

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... coefficient of friction of hard chrome 0.21 against steel makes it ideally suited for sacrificial layer in machinery components that acts as a temperature barrier and temporary wear layer without affecting the base material. The Table 2 [15] gives the properties of hard chrome. ...

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Crude tire pyrolysis oil (CTPO) was refined using the principle of selective adsorption and preferential solubility using silica gel as an adsorbent and petroleum ether as a diluent and combusted in a single-cylinder diesel engine. Particulate analysis was conducted in a single-cylinder diesel engine to understand the carbonaceous deposition in piston crowns and surfaces using various analytical techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Further, lubricating oil analysis was performed using a combination of ICP-AES, viscosity, flash, and fire point tests. The results showed that carbon deposition from upgraded tire pyrolysis oil is observed to be higher than diesel due to its high aromatic content. The high amount of carbon deposits from upgraded tire pyrolysis oil was attributed to the high amount of oxygenates in StTPO, which leads to increased polymerization and subsequent condensation on piston crown surfaces, which was then carbonized.KeywordsScrap tiresUpgradationEngineParticulates