A Variogram Analysis of Build Height Effects in an Additively Manufactured AlSi10Mg Part

被引：12
|
作者：
Everett, R. K. [1 ]
Duffy, M. E. [1 ]
Storck, S. M. [2 ]
Zupan, M. [1 ]
机构：
[1] Univ Maryland Baltimore Cty, Dept Mech Engn, 1000 Hilltop Circle, Baltimore, MD 21250 USA
[2] Johns Hopkins Univ, Appl Phys Lab, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA
来源：
ADDITIVE MANUFACTURING | 2020年 / 35卷
关键词：
powder bed fusion; mechanical properties; micmtensile testing; spatial data analysis; variogram; MECHANICAL-PROPERTIES; SPATIAL VARIABILITY; MICROSTRUCTURE; LOCATION;
D O I：
10.1016/j.addma.2020.101306
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Variations in local processing parameters and conditions in additively manufactured materials make mechanical properties difficult to characterize. Microtensile testing is providing a wealth of information on these local property variations. Here we utilize spatial autocorrelation techniques to show autocorrelation of grain sizes and mechanical properties with build height in a specially-designed, additively manufactured AlSi10Mg part. This result suggests that, at least in some cases, an interplay between local part geometry and the fabrication process occurs that affects local mechanical properties.
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页数：10
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