This chapter presents experimental data in the favor of using soybean oil, additivated or not, as lubricants, the market share of the soybean oil on the lubricants' market, a SWOT analysis for better configuring the tribological characteristics of the soybean oil and tribological parameters as friction coefficient, wear scar diameter, wear rate of wear scar diameter, etc. and their dependence on testing regime (load and speed). Also, the influence of temperature, shear rate, and oxidation parameters on the soybean oil viscosity is discussed.
This paper presents a review on issues on additivating vegetal oils with friction and anti-wear modifiers. A SWOT analysis on vegetal oils reveals the shortcomings of these oils and the trend in their modification by the help of additives. Based on research reports available from literature and their experimental work, the authors formulated a synthesis on how the friction and wear modifiers act in lubricants and especially in vegetal oils. They discussed the influence of some friction and anti-wear modifiers added in vegetal oils, especially in soybean oil and rapeseed oil. The conclusion is that additivation of vegetal oils is still at the beginning as the reported results are not so efficient as compared to aditivation of classical alternative -mineral oils and even less as compared to synthetic oils. But research must be continued as these vegetal oils become an actual resource for lubricants base-stock.
Ultra-High Molecular Weight Polyethylene (UHMWPE) composites are the result of recent developments in material research for ballistic protection due to their ability to absorb the kinetic energy of the bullet by various mechanisms of dissipation, among which an important one is delamination. In order to study this mechanism independently, the laser induced shock wave testing procedure has been used on thin Tensylon� laminate samples. Laser-induced shock represents a modern approach that can be used for assessing the interlaminar bond strength between two plies of a composite material, in dynamic conditions, at high strain rates representative for a ballistic impact. Through this technique, a delamination failure stress threshold can be determined. In the present work, the laser induced shock technique was applied on the commercial UHMWPE material called Tensylon�. The delamination threshold of this material was determined by using the Novikov approach, and, compared to the literature, the results match the values determined by other means of measurement.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.