Surface integrity of AISI H13 tool steel in end milling process

Jaharah A Ghani, I. A. Choudhury, H. H. Masjuki, Che Hassan Che Haron

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper presents the detailed investigation of surface integrity when end milling AISI H13 tool steels using P10 TiN coated carbide and P20 uncoated cermets tools. The machining parameters studied were cutting speed (224 m/min-355 m/min), feed rate (0.1 mm/tooth-0.25 mm/tooth) and depth of cut (0.3 mm-0.8 mm). The detailed microstructure analysis shows that worn out tools caused over heated of the machined surface and changed the microstructure of the work material. That change increased the hardness of the work material's machined surface, which is very hard and brittle, and generally referred as a white layer. The width formation of microstructure changes, increased with the increase in wear land and feed rate. A maximum of 550 HV was measured directly underneath the generated surface, i.e. 30% more as compared to the hardness of the basic material. This information is useful for the die and mould maker to select the best cutting condition to avoid such increase in hardness.

Original languageEnglish
Pages (from-to)88-92
Number of pages5
JournalInternational Journal of Mechanical and Materials Engineering
Volume4
Issue number1
Publication statusPublished - Jun 2009

Fingerprint

Tool steel
Hardness
Microstructure
Cermets
Carbides
Machining
Wear of materials

Keywords

  • AISI H13 tool steel
  • Carbide tools
  • End milling
  • Surface integrity

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Surface integrity of AISI H13 tool steel in end milling process. / A Ghani, Jaharah; Choudhury, I. A.; Masjuki, H. H.; Che Haron, Che Hassan.

In: International Journal of Mechanical and Materials Engineering, Vol. 4, No. 1, 06.2009, p. 88-92.

Research output: Contribution to journalArticle

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