稀土对渗铝HK40耐热钢氧化性能的影响

1.华东理工大学,机械工程系,上海200237;江苏石油化工学院,机械工程系,江苏,常州,213016

2.华东理工大学,机械工程系,上海200237

3.华东理工大学,机械工程系,上海200237

基金项目: 上海市教育基金(2000SG19)

Effects of Rare Earth Elements on Oxidation Behavior of Pack-Aluminized Heat-Resistant Stainless Steel

采用OM、SEM、EDX及XRD等仪器设备,研究了经渗铝和稀土渗铝处理的HK40耐热钢在1000℃、1100℃、1200℃空气中氧化的行为.发现经渗铝和稀土渗铝处理的HK40耐热钢试样,其氧化动力学呈抛物线规律,经稀土渗铝处理后的试样,其氧化膜的塑性和粘附性得到改善,抗氧化性能有所提高.

[1]	Moon D P .Role of reactive elements in alloy protection[J].Materials Science and Technology,1989,5(08):754-764.
[2]	Pint B A .Experimental observation in support of the dynamic-segregation theory to explain the reactive-element effect[J].Oxidation of Metals,1996,45(1-2):1-37.
[3]	俞方华;杨国华;韩荣典等.活性元素Y和Ce对Fe-25Cr-40Ni合金高温氧化的影响[J].金属学报,1992,28(04):B145-153.
[4]	Tien J K;Pettit F S .Mechanism of oxide adherence on Fe-25Cr-4Al(Y or Sc)alloys[J].Metallurgical and Materials Transactions,1972,3(03):1587-1599.
[5]	Jedlinaki J;Mrowec S .The influence of implanted yttrium on the oxidation behavior of β-NiAl[J].Materials Science and Engineering,1987,87:291-287.
[6]	Ramanarayanan T A;Ayer R;Petkovic-Luton R et al.The influence of yttrium on oxide scale growth and adherence[J].Oxidation of Metals,1988,29(5-6):445-472.
[7]	ANDERSON A B;Mehandru S P;Smialek J L .Effect of yttrium and the growth and adherence of alumina on nickel-aluminum alloys[J].Journal of the Electrochemical Society,1985,132(07):1695-1701.
[8]	Przybylski K;Garratt-Reed A J;Pint B A et al.Segregation of Y to grain boundaries in the Al2O3 scale formed on an ODS alloy[J].Journal of the Electrochemical Society,1987,134:3207-3208.

上一张下一张

计量

作者相关

文章评分