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首页> 外文期刊>ISIJ international >Evolution of Inclusions after Cerium and Titanium Addition in Aluminum Deoxidized Fe-17Cr-9Ni Austenitic Stainless Steel
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Evolution of Inclusions after Cerium and Titanium Addition in Aluminum Deoxidized Fe-17Cr-9Ni Austenitic Stainless Steel

机译：铈和钛矿床后夹杂物的进化脱氧氧化Fe-17Cr-9NI奥氏体不锈钢

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摘要

In this study, the effects of the addition of Ce and Ti on the evolution of inclusions in Al deoxidized Fe-17Cr-9Ni austenitic stainless steel were investigated. When the Ce was added before Ti, Al_(2)O_(3) can be effectively modified into Ce-containing oxides by Ce. With the increase of Ce content, the oxides evolutionary process is as follows: Al_(2)O_(3) → CeAl_(11)O_(18) → CeAlO_(3) → Ce_(2)O_(3). After the addition of Ti, TiN appeared on the surface of oxides except Ce_(2)O_(3). When Ti was added before Ce, due to the simultaneous effects of Ti on the modification of smaller size Al_(2)O_(3) and precipitation of TiN, spherical Al_(2)O_(3)–TiO_(x) inclusion that was completely wrapped by TiN formed. On the other hand, the larger size Al_(2)O_(3) was not significantly modified by Ti, and cannot completely be wrapped by TiN. After Ce was added, the oxides which were not completely wrapped by TiN were modified to Ce-containing oxides. However, Ce could not modify the oxides that were completely wrapped by TiN.
机译：在该研究中，研究了CE和TI对Al脱氧化Fe-17Cr-9NI奥氏体不锈钢中夹杂物的进化的影响。当在Ti之前添加CE时，可以通过CE将AL_（2）O_（3）有效地修改含CE的氧化物。随着CE含量的增加，氧化物进化过程如下：AL_（2）O_（3）→CEAL_（11）O_（18）→CEALO_（3）→CE_（2）O_（3）。添加Ti后，除CE_（2）O_（3）外，锡出现在氧化物表面上。当在CE之前加入TI时，由于TI对较小尺寸AL_（2）O_（3）的修饰和锡的沉淀，球形AL_（2）O_（3）-ti_（x）夹杂物的同时效果完全被锡包裹着。另一方面，Ti未显着修改较大尺寸的AL_（2）O_（3），不能完全被锡包裹。加入Ce之后，将不完全用锡包裹的氧化物改性至含Ce的氧化物。然而，Ce无法修饰锡完全包裹的氧化物。

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