Denatured fuel ethanol is the feedstock used to make different types of high ethanol content motor fuels. Before it can be used, the amount of ethanol and methanol must be measured to assure product quality. ASTM method D5501-09 uses high resolution gas chromatography to perform this analysis. In this paper, the Agilent 7890A GC system was configured to run D5501-09. Excellent system performanc...

Plasma nitriding treatments are applied to achieve excellent surface properties on steel parts and tools. Active screen plasma (ASPN) does not have the defects presents in direct (DCPN). However, ASPN require much longer processing times develop layers as deep those of DCPN. This work development a biased treatment system, investigate possibility achieving greater efficiency. The were performed...

Addition of titanium (Ti) to ASTM A710 Grade B Cu-precipitation-strengthened steel significantly increases the impact absorbed fracture energy and reduces the ductile-to-brittle transition temperature. The effect of Ti correlates with the reduction of the amount of pearlite in the ferritic microstructure. A thorough study of the mechanical properties of Ti-modified A 710-B steel is presented.