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- Title
EFFECTS OF HEAT TREATMENT PROCESS ON MECHANICAL AND MICROSTRUCTURAL PROPERTIES OF GRAY CAST IRON.
- Authors
OYETUNJI, Akinlabi; TALABI, Henry Kayode
- Abstract
This study investigated the effects of heat treatment process on mechanical and microstructural properties of gray cast iron. The charged materials used were graphite, cast iron scraps and ferrosilicon which were subjected to chemical analysis using spectrometric analyzer, the charge calculation to determine the amount needed to be charged into the furnace was properly worked out and charged into the rotary furnace from which the as-cast was obtained. The as-cast was subjected to various degree of normalized heat treatment at different operating temperatures of 885°C, 893°C, 9°1°C, 9°9°C, 917°C and after which the mechanical properties of the gray cast iron produced were assessed by hardness, wear, tensile strength and microstructure tests. It was observed that hardness properties continued to increase as operating temperature increases and graphite flakes break the continuity of ferrite matrix results into an increase in hardness and tensile strength of the gray cast iron.
- Publication
Acta Technica Corviniensis - Bulletin of Engineering, 2016, Vol 9, Issue 4, p117
- ISSN
2067-3809
- Publication type
Academic Journal