The Corrosion Performance Of Metals In An Experimental Biodiesel Vehicle Motor
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The Corrosion Performance Of Metals In An Experimental Biodiesel Vehicle Motor G. Montero1, B. Valdez2, M. Coronado1, M. Schorr2, A. Eliezer3 and C. García1 1
Universidad Autónoma de Baja California, Laboratorio de Biocombustibles, Instituto de Ingeniería, C.P 21280, Mexicali, México. 2
Universidad Autónoma de Baja California, Laboratorio de Materiales, Minerales y Corrosión, Instituto de Ingeniería, C.P 21280, Mexicali, México. 3
Sami Shamoon College of Engineering, Corrosion Research Center, Israel.
ABSTRACT The aim of this work was to assess the corrosion and degradation effects of a biofuel on metallic materials tested in an experimental internal combustion engine (ICE). Biodiesel is considered as an alternative fuel for diesel, for industrial applications ranging from boilers to ICE. The experimental vehicle motor, fitted with carbon steel, stainless steel, aluminum alloys and magnesium alloys was operated with local biodiesel. The corrosion performance was evaluated by gravimetric, chemical and electrochemical techniques, following the practices recommended in ASTM and NACE standards for corrosion testing. This work is the result of an international cooperation between the Institute of Engineering, Autonomous University of Baja California, Mexico and the Corrosion Research Center, Sami Shamoon College of Engineering, Israel. The characteristics and conditions of the ICE operated with biodiesel, and the results of the corrosion essays are presented, analyzed and discussed. INTRODUCTION The fossil fuels are the major energy resources used and exploited by mankind in the world today. They are comprised by coal, natural gas, and petroleum based products like diesel, gasoline, heavy fuel oil, and kerosene, among others. The applications of fossil fuels are diverse, from transportation activities to power generation. Therefore, their utilization is important for the economic and social activities developed in any country. Currently, there is a great dependency on fossil fuels worldwide. It has been proven that fossil fuels burning have negative impacts on the environment caused by the greenhouse gas emissions, responsible of global warming and climate change. Also, they are responsible of health issues. For that reason, many countries have started a fuel transition, passing from fossil fuels to biofuels. The biofuels are a promising and sustainable alternative to contribute in the mitigation of climate change, reduction of greenhouse gas emissions and air quality improvement for health issues reduction. Biofuels are ecofriendly and renewable fuels produced by biomass and they count with a wide portfolio of proven technologies for their production. Therefore, the biofuels industry in the world is dynamic and is experiencing a rapid expansion. The biodiesel is among the biofuels with more acceptation, promotion, development and production worldwide. In 2013, the global production was around 25 billion liters, and the main producers by order of importance were the EU, USA, Argentina, Brazil and Indonesia. Global
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