Paper Title:
Effect of Austempering Temperature on High Cycle Fatigue Behavior of an Austempered Ductile Iron (ADI)
  Abstract

Ductile irons with chemical compositions of Fe-3.6%C-2.6%Si-0.50%Cu-0.51%Ni were cast into standard keel blocks. Austenitizing heat treatment was carried out on test pieces at 875°C followed by austempering at 320, 365 and 400°C for times within the austempering processing window in a salt bath furnace. Rotating bending fatigue tests were performed with Roell Amsler UBM 200™ equipment at 3500 rpm at room temperature. Metallography and X-ray diffraction techniques were used to evaluate the fatigue life. Results indicate an increase of 10, 20 and 24% in fatigue life for specimens austempered at temperatures of 320, 365 and 400°C respectively, compared to that of as cast samples. According to the XRD test results; there is an increase in volume fraction of high carbon austenite by increasing the austempering temperature.

  Info
Periodical
Edited by
Adel Nofal and Mohamed Waly
Pages
493-498
DOI
10.4028/www.scientific.net/KEM.457.493
Citation
S. Yazdani, A. Sadighzadeh Benam, B. Avishan, "Effect of Austempering Temperature on High Cycle Fatigue Behavior of an Austempered Ductile Iron (ADI)", Key Engineering Materials, Vol. 457, pp. 493-498, 2011
Online since
December 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Sasan Yazdani, M.A. Rahimi
Abstract:The aim of the this investigation is to study the influence of Ni on tribiological behavior of an austempered ductile iron (ADI) containing...
199
Authors: Susil K. Putatunda
Abstract:A novel concept of two-step austempering in a magnetic field has been conceived by this investigator. This twostep process involves first...
4657
Authors: Bokkyu Lim, Young Woo Choi
Abstract:Single phase bainite structure which is obtained by the conventional austempering treatment reduces the ductility of ductile cast iron....
295
Authors: Eric Labbe, Florin Serban, Mircea Nicoară, Alain Lodini
Abstract:The constant reduction of production costs and the development of materials during recent years are favoured the development of Austempered...
95
Authors: Amir Abedi, S.P.H. Marashi, K. Sohrabi, M. Marvastian, S.M.H. Mirbagheri
Abstract:In this investigation, the effect of heat treatment parameters on the microstructure and impact energy as a measure of toughness of the...
409