Effect of Titanium on Microstructure and Solidification Behavior of Gray Irons

Sarum Boonmee; Kittirat Worakhut; Preecha Maneelum

doi:10.4028/www.scientific.net/MSF.987.177

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Effect of Titanium on Microstructure and Solidification Behavior of Gray Irons
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HomeMaterials Science ForumMaterials Science Forum Vol. 987Effect of Titanium on Microstructure and...

Effect of Titanium on Microstructure and Solidification Behavior of Gray Irons

Abstract:

This study investigates the microstructure and the solidification behavior of titanium-alloyed gray irons. Thermal analysis technique was used to identify the Temperature of Liquidus Arrest (T_LA), the Temperature of Eutectic Undercooling (T_EU) and the Temperature of the Eutectic Recalescence (T_ER). It was found that the titanium addition promoted the formation of the primary austenite causing the larger difference in T_LA and T_EU. In addition, titanium encouraged the refining of eutectic mixture. The SEM showed the graphite particles were refined with increasing titanium. Fine particles of titanium-containing compound were readily observed throughout the microstructure. The hardness as high as 176 HB was achieved at 0.495%Ti addition.

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International Symposium on Advanced Material Research III

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Periodical:

Materials Science Forum (Volume 987)

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177-181

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https://doi.org/10.4028/www.scientific.net/MSF.987.177

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Online since:

April 2020

Authors:

Sarum Boonmee*, Kittirat Worakhut, Preecha Maneelum

Keywords:

Gray Iron, Secondary Arm Spacing, Thermal Analysis, Titanium

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References

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