HYDROGEN ATTACK ON WATERWALL TUBES IN A HIGH-PRESSURE BOILER

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作者
HENDRIX, DE
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TB3 [工程材料学];
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0805 ; 080502 ;
摘要
Three case histories of similar failures from hydrogen attack on waterwall tubes in two 1,800 psig (12 MPa) boilers are described. The influence of previous ''window'' repairs, boiler water treatment, and contaminant chemistry is presented. Tube replacement procedures were developed to minimize future hydrogen-attack failures, and inspection techniques were evaluated to detect hydrogen damage in unfailed tubes.
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页码:46 / 51
页数:6
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[1]  
DOOLEY RB, 1992, APR P INT C BOIL TUB, P1