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35CrNi3MoVA钢制GYF-250A型高压釜密封环,使用时经常出现脆断。利用金相,扫描电镜,X射线能谱仪等手段对断裂原因进行了分析,并进行了强度计算。综合
35CrNi3MoVA steel GYF-250A autoclave ring, brittle fracture often used. The causes of fracture were analyzed by means of metallographic examination, scanning electron microscopy and X - ray energy dispersive spectroscopy, and the intensity calculation was carried out. Synthesis