NDLI: On the Solidification of a H23 Tool Steel

Content Provider	Springer Nature Link
Author	Nurbanasari, Meilinda Tsakiropoulos, Panos Palmiere, Eric J.
Copyright Year	2014
Abstract	The H23 tool steel contains high concentration of carbide forming elements, which affect the microstructure and mechanical properties. This present study described the microstructure and mechanical properties of the as cast H23 tool steel. The steel was prepared by vacuum induction melting. The microstructural investigation used XRD and electron microscope. The nano hardness and elastic moduli of matrix and carbide were also measured. The results show that the as cast microstructure consisted of ferrite matrix and M$_{6}$C, MC and M$_{23}$C$_{6}$ carbides. The eutectic M$_{6}$C carbides had two different morphologies owing to different growth mechanisms. There was agreement between the experimental results and the calculated solidification path for the H23 tool steel regarding the presence of carbides in the microstructure. The nanohardness and elastic moduli of ferrite matrix and M$_{6}$C carbides were respectively 4.2 ± 0.2 and 10.6 ± 1.2 and 198.3 ± 10.2 and 253.5 ± 11.7 GPa.
Starting Page	935
Ending Page	944
Page Count	10
File Format	PDF
ISSN	09722815
Journal	Transactions of the Indian Institute of Metals
Volume Number	67
Issue Number	6
e-ISSN	09751645
Language	English
Publisher	Springer India
Publisher Date	2014-05-13
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbide Phase transformation Hardness Electron microscope Metallic Materials Materials Science Tribology, Corrosion and Coatings
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys

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