Geometric classification of open-cell metal foams using X-ray micro-computed tomography

被引:65
作者
Bock, Jessica [1 ]
Jacobi, Anthony M. [1 ]
机构
[1] Univ Illinois, Urbana, IL 61801 USA
关键词
Metal; Foam; Open-cell; Geometry; Tomography; Kelvin; TRANSPORT; SIMULATION; HEAT;
D O I
10.1016/j.matchar.2012.10.001
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The geometry of foams has long been an area of interest, and a number of idealized geometric descriptions have been proposed. In order to acquire detailed, quantitative, geometric data for aluminum open-cell metal foams, X-ray mu CT is employed. The X-ray mu CT images are analyzed using specialized software, FoamView (R), from which geometric information including strut length and pore shapes are extracted. The X-ray mu CT analysis allows comparison of the ideal geometric models to the actual geometric characteristics of the metal foam samples. The results reveal a high variability in ligament length, as well as features supporting the ideal geometry known as the Weaire-Phelan unit cell. The geometric findings provide information useful for improving current models of open-cell metal foam. Applications can range from predicting heat transfer or load failure to predicting liquid retention. (c) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:35 / 43
页数:9
相关论文
共 42 条
[1]  
Aboav DA, 1996, FORMA, V11, P243
[2]   GEOMETRY OF SOAP FILMS AND SOAP BUBBLES [J].
ALMGREN, FJ ;
TAYLOR, JE .
SCIENTIFIC AMERICAN, 1976, 235 (01) :82-93
[3]  
[Anonymous], 1992, J GEOM ANAL, DOI DOI 10.1007/BF02921333
[4]   Thermophysical properties of high porosity metal foams [J].
Bhattacharya, A ;
Calmidi, VV ;
Mahajan, RL .
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2002, 45 (05) :1017-1031
[5]   MICROTOMOGRAPHY-BASED SIMULATION OF TRANSPORT THROUGH OPEN-CELL METAL FOAMS [J].
Bodla, Karthik K. ;
Murthy, Jayathi Y. ;
Garimella, Suresh V. .
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS, 2010, 58 (07) :527-544
[6]  
Coxeter H. S. M., 1958, ILLINOIS J MATH, V2, P746, DOI 10.1215/ijm/1255448337
[7]   Correcting and extending the Boomsma-Poulikakos effective thermal conductivity model for three-dimensional, fluid-saturated metal foams [J].
Dai, Z. ;
Nawaz, K. ;
Park, Y. G. ;
Bock, J. ;
Jacobi, A. M. .
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, 2010, 37 (06) :575-580
[8]   A new counter-example to Kelvin's conjecture on minimal surfaces [J].
Gabbrielli, Ruggero .
PHILOSOPHICAL MAGAZINE LETTERS, 2009, 89 (08) :483-491
[9]  
Ghosh I., 2009, J HEAT TRANSFER, V131, P1
[10]   Deterioration in Heat Transfer due to Axial Conduction of Heat in Open Cell Metal Foam [J].
Ghosh, Indranil .
POROUS MEDIA AND ITS APPLICATIONS IN SCIENCE, ENGINEERING AND INDUSTRY, 2010, 1254 :254-259