The effect of lubrication in reducing net friction in warm powder compaction process

S. S M Nor, M. M. Rahman, F. Tarlochan, B. Shahida, Ahmad Kamal Ariffin Mohd Ihsan

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Warm powder compaction process is an advanced type of the conventional cold compaction process in producing a green compact, which is conducted at elevated temperature. Metal powder inside a die is compressed completely after heating the whole system at elevated temperature ranges from 100 °C to 150 °C. During the compaction process, friction occurs between the metal powder, the die surface and between the powders itself. The entire compaction phases as well as the density of green compact are eventually affected because of the process. The aim of this paper is to discuss the effect of lubrication in term of the mixing time, weight percent of lubricant and the density of metal powder through warm compaction. The metal powder that used was in the process was an iron ASC 100.29. The compaction experiments have been conducted at 130 °C and the lubricants used was zinc stearate and carbon. It was found that the compaction phases (compaction and ejection) are strongly dependant on the variables used.

Original languageEnglish
Pages (from-to)118-124
Number of pages7
JournalJournal of Materials Processing Technology
Volume207
Issue number1-3
DOIs
Publication statusPublished - 16 Oct 2008

Fingerprint

Powders
Lubrication
Compaction
Friction
Powder metals
Lubricants
Zinc
Carbon
Iron
Heating
Temperature
Experiments

Keywords

  • Compaction
  • Lubricant
  • Metal powder
  • Mixing time
  • Weight percent

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

The effect of lubrication in reducing net friction in warm powder compaction process. / Nor, S. S M; Rahman, M. M.; Tarlochan, F.; Shahida, B.; Mohd Ihsan, Ahmad Kamal Ariffin.

In: Journal of Materials Processing Technology, Vol. 207, No. 1-3, 16.10.2008, p. 118-124.

Research output: Contribution to journalArticle

Nor, S. S M ; Rahman, M. M. ; Tarlochan, F. ; Shahida, B. ; Mohd Ihsan, Ahmad Kamal Ariffin. / The effect of lubrication in reducing net friction in warm powder compaction process. In: Journal of Materials Processing Technology. 2008 ; Vol. 207, No. 1-3. pp. 118-124.
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