Investigation of Crushing Behavior of Polystyrene Coated Spherical Shaped Aluminum Foams

Yıl 2020, , 1273 - 1281, 26.09.2020

Arif Uzun

https://doi.org/10.17798/bitlisfen.620240

Cited By: 1

Öz

In
this study, the crushing behavior of spherically shaped aluminum foam pieces
coated with polystyrene and uncoated under compression load was investigated. The
spherical shaped aluminum foam parts produced by powder metallurgy with
diameters of 8 mm and 10 mm were coated with polystyrene by the injection
molding process. The obtained foam elements were then subject to quasi-static
compression tests at room temperature with a constant cross head speed of 1
mm/min. According to the experimental results, polystyrene coatings increased
the energy damping capacity of the foams by approximately 115% while increasing
the density by about 50%.

Anahtar Kelimeler

Spherical shaped aluminum foam, Porous material, Compressive properties, Polystyrene

Polistiren Kaplı Küresel Şekilli Alüminyum Köpüklerin Ezilme Davranışlarının Araştırılması

Öz

Bu çalışmada, polistiren ile kaplanmış ve kaplanmamış
küresel şekilli alüminyum köpük parçaların sıkıştırma yükü altındaki ezilme
davranışları incelenmiştir. Toz metalurjisi yöntemi ile üretilen 8 mm ve 10 mm
çaplarındaki küresel şekilli alüminyum köpük parçalar enjeksiyon kalıplama
işlemiyle polistiren ile kaplanmıştır. Üretilen köpükler daha sonra 1 mm/dak deformasyon
hızında oda sıcaklığında yarı-statik sıkıştırma testlerine tabi tutulmuştur.
Elde edilen deneysel sonuçlara göre, polistiren kaplamalar köpüklerin enerji
sönümleme kapasitelerini yaklaşık % 115 arttırırken, yoğunluğu da yaklaşık % 50
oranında arttırmıştır.

Anahtar Kelimeler

Küresel şekilli alüminyum köpük, Gözenekli malzeme, Basma özellikleri, Polistiren

Kaynakça

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