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Condenser Tube Failures in Water-Cooled Condensers with Copper-Based Alloys

机译:铜基合金水冷冷凝器中的冷凝器管故障

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摘要

Integrity of the condenser is one of the most important prerequisites for optimum availability,reliability and performance of fossil and nuclear units.For many decades,copper-based alloys exclusively were used for condenser tubing.Recently,generic 300 Series stainless steels,proprietary austenitic and ferritic stainless steels,and titanium seem to have completely displaced the traditional copper-based alloys.However,arsenical admiralty brass,arsenical aluminum brass,and 70-30 copper-nickel alloy have been successfully applied in countless applications in units with once-through and circulating cooling tower systems.It is believed that also in the future copper-based alloys will maintain their important position among the condenser tube materials.This contribution focuses on operation experience and the most important types of tube failures in water-cooled condensers with copper-based alloys.
机译:冷凝器的完整性是获得化石和核单元最佳可用性,可靠性和性能的最重要的先决条件之一。数十年来,铜基合金一直专门用于冷凝器管材。最近,通用300系列不锈钢,专有奥氏体不锈钢和铁素体不锈钢和钛似乎已完全取代了传统的铜基合金。但是,砷金钟黄铜,砷铝黄铜和70-30铜镍合金已成功地用于无数次使用直通型和高温型的装置中。相信将来铜基合金也将在冷凝器管材中保持其重要地位。这一贡献着重于操作经验和最重要的水冷式冷凝器的故障类型。基合金。

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