首页> 外文会议>Pacific Rim International Conference on Advanced Materials and Processing(PRICM 5) pt.5 >Oxide Growth Mechanism and Oxidation Resistance in Mechanically Alloyed Ni-20Cr-20Fe-5Nb-1Y_2O_3 Alloy
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Oxide Growth Mechanism and Oxidation Resistance in Mechanically Alloyed Ni-20Cr-20Fe-5Nb-1Y_2O_3 Alloy

机译:机械合金化Ni-20Cr-20Fe-5Nb-1Y_2O_3合金的氧化物生长机理和抗氧化性

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The oxidation characteristics of a Ni-20Cr-20Fe-5Nb-1Y_2O_3 alloy and a Ni-20Cr-20Fe-5Nb alloy both with ultra-fine grains were compared with those of commercial Inconel 718 and PM1000 alloys. The oxidation resistance of the Ni-20Cr-20Fe-5Nb-1Y_2O_3 alloy was superior to that of both the Ni-20Cr-20Fe-5Nb and commercial Inconel 718 alloys. This was attributed to the suppression of successive oxidation via the oxide formed during the oxidation of the ODS (oxide dispersion strengthening) alloy. It was confirmed that the prior powder boundary is the site where the oxide grows continuously during ODS alloy oxidation.
机译:比较了具有超细晶粒的Ni-20Cr-20Fe-5Nb-1Y_2O_3合金和Ni-20Cr-20Fe-5Nb合金与商用Inconel 718和PM1000合金的氧化特性。 Ni-20Cr-20Fe-5Nb-1Y_2O_3合金的抗氧化性优于Ni-20Cr-20Fe-5Nb和商用Inconel 718合金。这归因于经由ODS(氧化物弥散强化)合金的氧化期间形成的氧化物的抑制连续氧化。可以确认,先有的粉末边界是ODS合金氧化过程中氧化物连续生长的部位。

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