Page 32 - 涂料工业2024年第06期电子刊
P. 32

courin   peed wa  1 m   and the  and content increa ed to 1. 5 ,he coatin  wa  ruptured  y
                                                                                 t
                 the   and  particle ,the   and  particle    rom  the  rupture  into  the  in ide  o   the  coatin   and
                 a  re ation,and the ruptured ed e  o  the coatin  were  ery ea y to  orm corro ion pit .  he
                 corro ion product  o   lan  and coated  pecimen   lu hed were mainly α-Fe   ,α-Fe   ,
                                                                                            2  3
                 γ-Fe   ,γ-Fe   ,and Fe    pha e .
                                 2  3       3  4
                                  e
                                                                          c
                       ey words ro ion corro ion water orne epo y re in ar on  i er  235
                  235                                            ,                    ,
                   ,               ,                                              ,
                         1
                                                                                   ,
                 ,
                           ( E )                                          ,
                          ,     V C                                 235
     探                ,      E                                        材料的制备
                              2
     索                                                          1. 2. 1  腐蚀试样的制备
                                E
                                 3
     开         ,           E                                              10 mm 10 mm 3 mm    235
                                                   4

     发                            235                                ,         ,
                         ,
                                                                1 cm       ,
                                                                    2
                           (Fe     Fe  )
                                               2  3   3  4                   30 mm 20 mm 3 mm

                                                     5
                                                                                ,
                         (rG )   (  y)

                                                                          3 mm  ,
                              ,
                                                                2       235        400  800  1 200



                          (rG    y  E ),
                                                                2 000          ,

                     ,
                                                                    ,   2   -792     ,   235
                               ,
                                                                            ,

                                                                1. 2. 2  复合涂层的制备
                    6-7
                                                                                   CF     ,
                        235     ,
                                                                  CF           CF    2 mol  Na
                 (CF  E )    ,
                                                                  ,  80     650 r min       1. 5 h,
                 235                  ,
                                                                             CF   ,  CF
                 CF  E              ,
                                                                      10     Cl    ,

                                                                 ,          ,  CF      ,
                  部                                                   600 r min     1. 5 h
                                                                        ,      CF   55
                   实验原料                                             12 h,
                         (D -128-50)
                (D -175)                                                 30 ,
                (  -792)                                                 D -175     2 1. 7
            ( 300) 2 000  ,                                      ,              0. 1 (
                  ,                                                    )     CF,
               ,                                                40 min


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