Stress Corrosion Crack Growth Rate Testing of Composite Material Specimens

摘要

Stress corrosion crack (SCC) arrest tests have been conducted on composite material specimens to study the SCC susceptibility of SCC resistant materials in hydrogenated deaerated water. SCC tests were performed at 360 °C at a stress intensity factor of ～35 MPa√m with ring loaded composite material specimens fabricated from SCC resistant materials of Alloy 690, weld metals EN52 and EN625, low alloy steel and stainless steel. Control specimens of Alloy 600 and EN82H were also tested. SCC results and analytical characterization results are discussed.