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.
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