Pulverised coal combustion (PCC) power plant with supercritical (SC) steam parameters have been operational for over forty years and ultra-supercrital (USC) PCC plant have been operational for just over twenty years. This significant amount of operating experience is valuable regarding the performance of high temperatures steels. For example 9-12% chromium martensitic steels have had problems with cracking and some have not been as strong as they were projected to be. Additionally, PCC power plant have been operated outside of design parameters, such as severe cyclic operation, which has resulted in unforeseen problems for high temperature steels. This webinar reviews the performance, problems, solutions and research efforts for high temperature steels used in SC and USC technology.
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Presenter: Kyle Nicol (Guest Author)
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