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使用金相分析、电镜及能谱分析、化学分析和力性分析方法，对马钢3号高炉第四代炉役炉腹段HT冷却壁进行了解剖研究．提出了HT冷却壁的微观破损机制．
The anatomical study on the HT stave of the fourth generation of the blast furnace of Masteel No.3 blast furnace was carried out by means of metallographic analysis, electron microscope and energy spectrum analysis, chemical analysis and force analysis method. The micro-damage mechanism of HT stave is proposed.