MICROSTRUCTURAL EVOLUTION IN HEAT-TREATED CAST IRONS

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Published: 2001-06-13
Keywords:
Microstructure, Annealing, Martensites, Quenched, Rockwell Hardness, Carbides, Heat Treatments

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Anwar Manzoor Rana
Department of Physics/Materials Science, Bahauddin Zakariya University, Multan, Pakistan
Abdul Faheem Khan
Department of Physics/Materials Science, Bahauddin Zakariya University, Multan, Pakistan
Sohail Amjad
Department of Physics/Materials Science, Bahauddin Zakariya University, Multan, Pakistan
Tahir Abbas
Department of Physics/Materials Science, Bahauddin Zakariya University, Multan, Pakistan.

Abstract

Samples of two different compositions of cast irons were annealed and quenched at 800 °C and tempered at 600 °C for 30 minutes. The Rockwell hardness (HRC) of the annealed samples was found to decrease. However, HRC values were found to increase for both quenched and tempered samples. It has been investigated that the increased hardness of quenched sample was due to formation of martensitic needles.

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Article Details

Issue

Vol. 12 No. 1 (2001): Volume 12 No. 1 June, 2001

Section

Life, Agricultural & Health Sciences

How to Cite

Rana, A. M., Khan, A. F., Amjad, S., & Abbas, T. (2001). MICROSTRUCTURAL EVOLUTION IN HEAT-TREATED CAST IRONS. Journal of Research (Science), 12(1), Pages: 65-71. http://jorscience.com/index.php/JRS/article/view/95

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