Article ID Journal Published Year Pages File Type
237870 Powder Technology 2009 8 Pages PDF
Abstract

By mixing any two of four alumina powders, a variety of powder mixtures were produced. The relationships among relative density, stress and strain were compared for those powder mixtures in order to investigate the powder mixing effect on the compaction capability. The compaction capability was quantified by the initial relative densities. Due to the difference in the average particle size ratio between two powders as well as the compaction capability difference of the powders, the initial relative density as a function of powder proportion can be described by either a linear or parabolic curve. The essential initial powder characteristics that exhibit each curve were identified. Also, the boundaries for each initial relative density versus powder proportion curve were proposed.

Graphical abstractThe initial powder characteristics contributing to the compaction capability variation caused by the powder mixing are discussed. Due to the difference in the average particle size ratio and the compaction capability between two powders, the relative density as a function of powder proportion can be described by either a linear or parabolic curve enclosed within a triangle boundary.Figure optionsDownload full-size imageDownload as PowerPoint slide

Related Topics
Physical Sciences and Engineering Chemical Engineering Chemical Engineering (General)
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