Criteria for the evaluation of damage and remaining life in reformer furnace tubes

被引:50
作者
LeMay, I
daSilveira, TL
Vianna, CH
机构
[1] Metall. Consulting Services Ltd., Saskatoon, S7K 4E3
[2] Tito Silveira Engenharia C., 20930-090 Rio de Janeiro
[3] ISQ - Inst. de Soldadura e Qualidade, Estrada Nacional 249, 2781 Oeiras Codex, km 3, Cabanas, Leião
关键词
reformers; furnace tubes; creep; remaining life; characteristic curves; metallography;
D O I
10.1016/0308-0161(95)00098-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The mechanisms of damage occurring in reformer furnace tubes are discussed, together with the methods of assessing the extent of damage and remaining life. The use of characteristic curves is described, these illustrating the extent of aging and the amount of the accumulated damage by creep, The application of a simplified evaluation method to a removed sample tube to provide rapid indication of the extent of damage is described, together with a radiographic procedure to evaluate the extent of creep cracking in the welds.
引用
收藏
页码:233 / 241
页数:9
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