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  • 标题:Effect of waxing on the properties of Al-1Mg P/M alloy
  • 本地全文:下载
  • 作者:Azim Gouml ; kccedil ; Fehim Findik
  • 期刊名称:Scientific Research and Essays
  • 印刷版ISSN:1992-2248
  • 出版年度:2011
  • 卷号:6
  • 期号:20
  • 页码:4378-4388
  • DOI:10.5897/SRE10.1163
  • 语种:English
  • 出版社:Academic Journals
  • 摘要:In the current work, 1 wt% Acrawax was premixed with the aluminium and magnesium powder as a lubricant for the first group samples. However, no wax was used for the second group specimens. As a sintering aid, 1 wt% Mg was added for both group materials. Compaction of the specimens was performed using a manual Carver hydraulic press and a floating rectangular die. First group specimens were pressed to green densities of 91.5 and 92.5% using pressures of 435 and 490 MPa, respectively. In the second group (no wax) samples, 93% green density was obtained using the similar compaction pressures. These conditions produced specimens whose dimensions were: 31.8 × 12.7 × 3.5 mm3. As a result, an increase has been seen on the density of sintered and green compacts with rising compacting pressure. Furthermore, addition of the wax negatively affected the transverse rupture strength of the alloy.
  • 关键词:Powder metallurgy; aluminum; sintering; microstructure; mechanical properties
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