Effects of microstructural characteristics on mechanical properties of open-cell nickel foams
Authors: Lee, K.; Lewandowski, J. J.
Source: Materials Science and Technology, Volume 21, Number 11, November 2005 , pp. 1355-1358(4)
Publisher: Maney Publishing
Abstract:Previous investigations on the relationship between the mechanical properties and microstructure of metal foams have mainly been related to the compressive response of closed cell aluminium foams. In contrast, little research has been conducted on the tensile properties of open cell metal foams. This investigation examines the effects of changes in foam density, cell size, grain size and strut size on the ultimate tensile strength (UTS) of electrodeposited nickel foams. Preliminary studies were conducted using scanning electron microscope (SEM) to determine the cell size, grain size and strut size of nickel foams. The primary factor controlling the UTS of nickel foams tested appears to be relative density, with increases in relative foam densities from 0·035 to 0·083 accompanying an increase in the UTS from 0·85 to 3·53 MPa. Experimentally obtained UTS values were compared with predicted values obtained from empirical relationships.
Document Type: Short Communication
Publication date: 2005-11-01
Authors wishing to cite fast track papers should give the journal name and the article DOI. This will enable reference linking via CrossRef and allow forward and backward citation tracking systems to associate the fast track citation with the final journal reference.Materials Science and Technology is the successor of two previous titles, for which digitised archives are available: Metal Science (Vols. 1—17; 1967—84) and Metals Technology (Vols. 1—11; 1974—84).
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