Liquid phase densification of Al-4.5wt.% Cu powder reinforced with 5wt.% Saffil short fibers during hot pressing

Moreno, María Virginia; Oliver, C.J.R. González

doi:10.1016/j.powtec.2013.01.026

Cited by 4 publications

(1 citation statement)

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“…4b and 4c indicate such diffusion regions appeared with different contrast in SEM images at the interface between Al-Zn and Cu powders. The occurrence of partial diffusion at relatively high compaction pressures is attributed to the increase of mechanical interlock in contact surfaces between powder particles [18]. Fig.…”

Section: Resultsmentioning

confidence: 98%

Effect Of Compaction Pressure And Sintering Temperature On The Liquid Phase Sintering Behavior Of Al-Cu-Zn Alloy

Lee

Ahn

2015

Archives of Metallurgy and Materials

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The liquid phase sintering characteristics of Al-Cu-Zn alloy were investigated with respect to various powder metallurgy processing conditions. Powders of each alloying elements were blended to form Al-6Cu-5Zn composition and compacted with pressures of 200, 400, and 600 MPa. The sintering process was performed at various temperatures of 410, 560, and 615 • C in N 2 gas atmosphere. Density and micro-Vickers hardness measurements were conducted at different processing stages, and transverse rupture strength of sintered materials was examined for each condition, respectively. The microstructure was characterized using optical microscope and scanning electron microscopy. The effect of Zn addition on the liquid phase sintering behavior during P/M process of the Al-Cu-Zn alloy was also discussed in detail.

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Section: Resultsmentioning

confidence: 98%