ABSTRACT
X65 (micro-alloyed high-strength low-alloy steel) is a model of the test specimen of the pipe; the additive is nano-aluminum dioxide and nanotitanium dioxide; the matrix coatings are epoxy resin paint, alkyd anti-rust paint and synthetic thinner. The testing device applied is the CS electrochemical workstation; the instruments involved are ORION420A type pH meter, X-ray diffractomer, and scanning electron microscope.
