Microstructure and fracture of alloyed austempered ductile iron

被引：62

作者：

Eric, Olivera

Rajnovic, Dragan

Zec, Slavica

Sidjanin, Leposava

Jovanovic, Milan T. ^{[1
]}

机构：

[1] Inst Nucl Sci Vinca, Belgrade, Serbia

[2] Univ Novi Sad, Fac Tech Sci, Novi Sad, Serbia

来源：

MATERIALS CHARACTERIZATION | 2006年 / 57卷 / 4-5期

关键词：

alloyed ductile iron; bainitic transformation; retained austenite; impact energy;

D O I：

10.1016/j.matchar.2006.01.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An investigation has been conducted on two austempered ductile irons alloyed with Cu and Cu+Ni, austenitized at 900 degrees C and austempered at 350 degrees C. The microstructure and fracture mode developed through these treatments have been identified by means of light and scanning electron microscopy and X-ray diffraction analysis. Impact energy measurements were performed on un-notched Charpy specimens. The maximum value of retained austenite volume fraction observed in the material alloyed with Cu+Ni was higher than in that alloyed with Cu austenitized and austempered under the same conditions. This led to the material alloyed with Cu+Ni having higher impact energy and substantial plastic deformation. (c) 2006 Elsevier Inc. All rights reserved.

引用

页码：211 / 217

页数：7

共 13 条

[1] Effect of austenitization on austempering of copper alloyed ductile iron [J].