Effect of sub-zero treatment on microstructures, mechanical properties, and dimensional stability of aisi d2 cold work tool steel

Wahyuaji Narottama Putra, Pandega Pramaditya, Putra Pramuka, Myrna Ariati Mochtar

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

AISI D2 tool steel has become important material in the industry, especially for mold and dies maker and also used for cutting tools. Conventional hardening process such as annealing and quenching is normally done for this kind of steel as it needs high hardness and wear resistance properties. To further improve its performance, sub-zero treatment can be performed. Quenching the steel in very low temperature e.g. liquid nitrogen, will help to remove unwanted retained austenite, thus provide better dimensional stability. In this study, AISI D2 tool steel samples were subjected to austenitizing temperature of 1030°C and then quenched using different quenching media i.e. air, oil, and liquid nitrogen. Vickers test result showed that after quenching process, the hardness for those samples were 762 HV, 822 HV, and 735 HV for air, oil, and liquid nitrogen quenched respectively. Microstructure analysis showed that retained austenite volume fraction after quenching process were 7.50%, 3.93%, and 3.18% for air, oil, and liquid nitrogen quenched respectively.

Original languageEnglish
Title of host publicationAdvanced Materials Research - QiR 15
EditorsArdiyansyah Yatim
PublisherTrans Tech Publications Ltd
Pages136-141
Number of pages6
ISBN (Print)9783035712667
DOIs
Publication statusPublished - 1 Jan 2018
Event15th International Conference on Quality in Research, QiR 2017 - Nusa Dua, Bali, Indonesia
Duration: 24 Jul 201727 Jul 2017

Publication series

NameMaterials Science Forum
Volume929 MSF
ISSN (Print)0255-5476

Conference

Conference15th International Conference on Quality in Research, QiR 2017
CountryIndonesia
CityNusa Dua, Bali
Period24/07/1727/07/17

Keywords

  • AISI D2 tool steel
  • Dimensional stability
  • Hardening process
  • Retained austenite
  • Sub-zero treatment

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