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利用化学成分分析、力学性能测试、显微组织分析和X射线衍射物相分析等方法,对材料为T91钢的热电厂锅炉高温过热器管的爆管原因进行了分析.结果表明:高温过热器管材料的质量合格,异物阻塞管道造成其短时过热是过热器管爆管的主要原因,在距爆口一侧约30 cm处发现有异物残留.

参考文献

[1] D.J.Chang .Burst Tests of Filament-wound Graphite-epoxy Tubes[J].Journal of Composite Materials,2003(9):811-830.
[2] Jeong Kim;Sang-Woo Kim;Hoon-Jae Park;Beom-Soo Kang .A prediction of bursting failure in tube hydroforming process based on plastic instability[J].The International Journal of Advanced Manufacturing Technology,2006(5/6):518-524.
[3] Li-Ping Lei;Jeong Kim;Beom-Soo Kang .Bursting failure prediction in tube hydroforming processes by using rigid-plastic FEM combined with ductile fracture criterion[J].International Journal of Mechanical Sciences,2002(7):1411-1428.
[4] SHU Guo-gang,DING Hui,ZHAO Yan-fen,XUE Fei,ZHAO Ling-song,ZHANG Lu,LIU Jiang-nan,WANG Zheng-pin.Analysis of High-temperature Boiler Tube Failure for T91 &T22[J].材料热处理学报,2004(05):291-296.
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