期刊
3RD CIRP CONFERENCE ON SURFACE INTEGRITY
卷 45, 期 -, 页码 335-338出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.procir.2016.03.019
关键词
Machining; Metal Foams; Computed Tomography; Surface Integrity
资金
- NSF [CMMI 1464853]
- Georgia Tech Manufacturing Institute (GTMI) through the GTMI Cross Discipline Manufacturing Innovation Fund
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1464853] Funding Source: National Science Foundation
In the present study, surface integrity in the face milling of open-cell aluminum metal foams was studied at full-volume using micro-computed tomography. Morphological damage to the pore-strut network of the foam was characterized as a function of machining parameters. Post-mortem surface integrity characteristics including effective pore size, foam porosity, and depth of the deformation-affected zone were characterized using the voxel-based data. The machined surface exhibits spatially-graded characteristics, featuring distinct regions of foam-strut bending/buckling and fracture. Implications of these observations for understanding effects on performance relative to structural bio-medical applications and integrity optimization strategies are described. (C) 2016 The Authors. Published by Elsevier B.V.
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