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魏慧慧,等:稀土元素镧对Q355B低合金高强度钢组织和性能的影响


















                                             图 7 未添加和添加镧试验钢腐蚀产物的微观形貌
                                 Fig. 7 Micromorphology of corrosion product of test steels without (a) and with (b) La
                 (3)与未添加镧相比,在NaHSO 3 溶液中腐蚀                           of  function  of  rare  earths  in  steel[J]. Transactions  of
              72 h后添加镧的试验钢的腐蚀质量损失率降低                                 Materials and Heat Treatment,2023,44(2):1-12.

              了 5.5%;2 种试验钢的表面腐蚀产物均由Fe 3 O 4 、                    [6] 刘进德,黄彪凯,闫强军,等. 稀土Ce对耐磨钢NM400
                                                                     性能的影响[J]. 宽厚板,2023,29(5):32-36.
              α-FeOOH和γ-FeOOH组成,而添加镧后腐蚀产物
                                                                     LIU  J  D,HUANG  B  K,YAN  Q  J,et  al.  Effects
              层更加致密,与钢基体的结合更紧密,耐腐蚀性能
                                                                     of  rare  earth  Ce  on  properties  of  wear-resistant  steel
              更好。
                                                                     NM400[J]. Wide and Heavy Plate,2023,29(5):32-36.
                                                                  [7] 罗钢,隋亚飞,刘彭,等. La-Ce稀土对Q345D钢夹杂

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