铸造技术2017，Vol.38Issue(7)：1547-1550,4.DOI:10.16410/j.issn1000-8365.2017.07.005
Si含量对铁基高温合金抗氧化性能的影响
Effect of Si Content on Oxidation Resistance of Iron-Based Superalloy
摘要
Abstract
The oxidation resistance of iron-based superalloy with different Si content at 1 250 ℃ was studied using XRD,SEM and EDS techniques.The results show that the sequence of oxidation resistance of the iron-based superalloys at 1 250 ℃ from superior to inferior is 0.93％Si ＞ 0％Si ＞ 2.76％Si ＞ 1.40％Si.The reason for the outstanding oxidation resistance of iron-based superalloy with 0.93％Si is that dispersively distributed SiO2 particle layer is formed between the matrix and its compact oxide film.These small SiO2 particles join the oxide film closely and play a role of pinning as chocks,which improves the adhesion property of oxide film,and thus the oxidation resistance of the material is improved.关键词
Si含量/铁基高温合金/抗氧化性能/氧化膜Key words
Si content/iron-based superalloy/oxidation resistance/oxide film分类
矿业与冶金引用本文复制引用
刘杰,潘晴川,车畅,刘俊友..Si含量对铁基高温合金抗氧化性能的影响[J].铸造技术,2017,38(7):1547-1550,4.基金项目
国家重点研发计划资助项目(2016YFC0801904) （2016YFC0801904）
