电焊机2024，Vol.54Issue(4)：29-35,7.DOI:10.7512/j.issn.1001-2303.2024.04.04
粉末冶金制备22Cr-ODS合金的高温氧化行为研究
High Temperature Oxidation Behavior of 22Cr-ODS Alloy Prepared by Powder Metallurgy
摘要
Abstract
The high temperature oxidation behavior of FeCrAl alloy prepared by hot isostatic pressing by powder metallurgy at 1 000℃was investigated.The surface and cross-section of the oxide layer after oxidation at 1 000℃were studied by X-ray diffraction and scanning electron microscope.The results show that the 22Cr-ODS alloy prepared by this process can form a complete and dense surface oxide layer at 1000℃,and the oxide layer is mainly composed of α-Al2O3.After 10 h,25 h,50 h,100 h and 200 h of oxidation,the thickness of the oxide layer is about 0.52 μm,0.91 μm,1.42 μm,1.47 μm and 1.76 μm,respectively.The internal grain size of the alloy did not coarsen significantly during oxidation at 1 000℃.The alloy has good high-temperature oxidation resistance and organizational stability during the high-temperature service.关键词
粉末冶金/22Cr-ODS合金/高温氧化/氧化层厚度/组织稳定性Key words
powder metallurgy/22Cr-ODS alloy/high-temperature oxidation/thickness of oxide layer/microstructure stability分类
矿业与冶金引用本文复制引用
商鑫亭,董浩,周双双,刘少尊,闫英杰,曹睿..粉末冶金制备22Cr-ODS合金的高温氧化行为研究[J].电焊机,2024,54(4):29-35,7.基金项目
国家自然科学基金(51961024,52071170,52175325) （51961024,52071170,52175325）
甘肃省教育厅"双一流"科研重点项目(CSSYLXM-03) （CSSYLXM-03）
