Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/1870
Title: Effect of Processing Parameters on the Mechanical Properties of Alloyed/Unalloyed ADI
Authors: Sen, S
Mishra, S C
Swain, S K
Keywords: S G Iron
Austempering
XRD
SEM Analysis
Issue Date: 2013
Citation: Proceeding of the second international conference on advance in material processing and characterisation –vol-II (AMPC-2013) page-1104-1110
Abstract: Two types of Spheroidal Graphite (SG) cast iron samples with different weight percentage of copper were austempered at four different temperatures. The austempering temperatures were 200°C, 300°C, 350°C, 400°C. The effect of austempering parameters (i.e. time and temperature) on the mechanical properties of spheroidal graphite iron was investigated as a function of austempering time and temperature. XRD analysis was also carried out to study the formation of different phases during isothermal transformation at different austempering conditions. Graphite morphology was studied by SEM. It was found that both the austenite (111) and ferrite (110) lines could be identified nearly in all cases. The maximum intensity of the austenite (111) line is increasing with increasing temperature but ferrite (110) line is increasing with increasing austempering time and decreasing with austempering temperature. Hence austempering calls for very precise control of process variables (austempering time and temperature). It has been found from the result that ADI having the alloying element copper (grade N2) achieved significant mechanical properties as compared to other grade (Nl) throughout the different austempering process adopted in this study.
Description: Copyright belongs to proceeding publisher
URI: http://hdl.handle.net/2080/1870
Appears in Collections:Conference Papers

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