Sintering of stainless steel nanopowders for micro-component part applications

Sugeng Supriadi, Eung Ryul Baek

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

2 Citations (Scopus)

Abstract

Micro Metal Injection Molding utilizing 316 steel nanopowder with 100 nm in mean size was investigated to fabricate micro part. The nanopowder was used since its advantages to produce better surface roughness and detail structure in the micro part fabrication. During nanopowder preparation, thin oxide must be formed intentionally to avoid powder burnt before it's exposed to the air during mixing with the wax binder system. Unfortunately, this oxide still exist after sintering and decrease the mechanical properties (ductility and densification) by the formation of secondary phase which detected as chrome oxide. In this paper, deep elaboration for oxide characteristics and the ways to reduce it by vary the sintering parameters and in Hydrogen atmosphere were described briefly. Here, we infer by reducing the heating rate, increasing the sintering temperature and utilizing the Hydrogen atmosphere can be effectively optimize the utilizing of nanopowder for micro part fabrication.

Original languageEnglish
Title of host publicationAdvances in Applied Mechanics and Materials
Pages697-702
Number of pages6
DOIs
Publication statusPublished - 28 Jan 2014
EventInternational Conference on Mechanical Engineering, ICOME 2013 - Mataram, Lombok, Indonesia
Duration: 19 Sep 201321 Sep 2013

Publication series

NameApplied Mechanics and Materials
Volume493
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

ConferenceInternational Conference on Mechanical Engineering, ICOME 2013
CountryIndonesia
CityMataram, Lombok
Period19/09/1321/09/13

Keywords

  • Micro-component
  • Sintering
  • Stainless steel nanopowders

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