An experimental investigation of metal powder compaction at elevated temperature

Md Mujibur Rahman, S. S.M. Nor

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The warm compaction process was initiated in the nineties and found that metal powder formed at elevated temperature gives significant impact on the entire compaction process and the quality of the green compact as well as the final product. Mechanical properties of green compact are largely influenced by the forming temperature, lubricant and lubrication mechanism, and loading condition. This paper presents the powder compaction study from experimental investigation covering full scale compaction phases. The optimum forming temperature, amount of lubricant content, and loading conditions are also presented. Several experiments have been conducted using T-shape die to generate green compacts from iron powder. The forming temperature has been ranged from room temperature (30 °C) to 150 °C. Finally, the generated green compacts are tested mechanically to justify the mechanical properties. It has been found that the optimum forming temperature for iron powder is about 130-150 °C whereas the lubricant content is about 0.5 wt%.

Original languageEnglish
Pages (from-to)553-560
Number of pages8
JournalMechanics of Materials
Volume41
Issue number5
DOIs
Publication statusPublished - 01 May 2009

Fingerprint

metal powder
Powder metals
Compaction
lubricants
Lubricants
Iron powder
Temperature
temperature
mechanical properties
T shape
iron
Mechanical properties
lubrication
coverings
Powders
Lubrication
room temperature
products
Experiments

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Materials Science(all)
  • Mechanics of Materials

Cite this

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An experimental investigation of metal powder compaction at elevated temperature. / Rahman, Md Mujibur; Nor, S. S.M.

In: Mechanics of Materials, Vol. 41, No. 5, 01.05.2009, p. 553-560.

Research output: Contribution to journalArticle

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