INFLUENCE OF THE HEAT TREATMENT ON THE MICROSTRUCTURE AND CORROSION RESISTANCE OF AUSTEMPERED DUCTILE IRON (ADI)

被引：6

作者：

Krawiec, H. ^{[1
]}

Vignal, V. ^{[2
]}

Lelito, J. ^{[1
]}

Krystianiak, A. ^{[2
]}

Tyrala, E. ^{[1
]}

机构：

[1] AGH Univ Sci & Technol, Fac Foundry Engn, 23 Reymonta Str, PL-30059 Krakow, Poland

[2] Univ Bourgogne Franche Comte, ICB, UMR 6303, CNRS, Dijon, France

来源：

ARCHIVES OF METALLURGY AND MATERIALS | 2020年 / 65卷 / 01期

关键词：

austempered ductile iron; corrosion; microstructure; heat treatment;

D O I：

10.24425/amm.2019.131108

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The influence of the hold time of the austempering heat treatment at 280 degrees C on the microstructure and corrosion resistance in NaCl-based media of austempered ductile iron was investigated using X-ray diffraction, micro-hardness measurements, corrosion tests and surface observations. Martensite was only found in the sample which was heat treated for a short period (10 minutes). Corrosion tests revealed that this phase does not play any role in the anodic processes. Numerous small pits were observed in the alpha-phase which is the precursor sites in all samples (whatever the value of the hold time of the austempering heat treatment).

引用

页码：151 / 156

页数：6

共 9 条

[1]

B K OVACS., 1994, AFS Transactions, V102, P417

[2]

Dorazil E., 1986, FOUNDRY MANGEMENT TE, P36

[3] Macroscopic and local electrochemical studies of austempered ductile iron in perchlorate solutions [J].