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Spall behavior of rolled aluminum 5083-H116 plate
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10.1063/1.4811452
/content/aip/journal/jap/113/23/10.1063/1.4811452
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/23/10.1063/1.4811452

Figures

Image of FIG. 1.
FIG. 1.

Schematic showing the three principal orthogonal directions in a rolled plate. The shape of the grains is also shown in each plane of the plate.

Image of FIG. 2.
FIG. 2.

Schematic setup for plate impact experiments performed on Al 5083-H116 as viewed from the (a) side and (b) front. Two different sample and holder geometries were used corresponding to single and multiple sample configurations.

Image of FIG. 3.
FIG. 3.

Optical microscope images of the as-received Al 5083-H116 material. The rolling direction is indicated by red markers in each image. The grain structure is visible under polarized light for planes normal to the (a) short transverse, (b) longitudinal, and (c) long transverse directions. Under bright field, (d) inclusions and Mn dispersoids are visible as black and light brown particles and are indicated with broken and solid blue circles, respectively.

Image of FIG. 4.
FIG. 4.

Representative example (a) x-t diagram and (b) VISAR free surface velocity data for an Al 5083-H116 sample impacted near 350 m/s through the thickness of the plate. The inset of the free surface velocity data better displays the HEL and shock wave arrival.

Image of FIG. 5.
FIG. 5.

Al 5083-H116 sample rear free surface velocity vs. time for samples impacted through the thickness of the plate. The inset better displays the HEL for each data set.

Image of FIG. 6.
FIG. 6.

Al 5083-H116 sample rear free surface velocity vs. time for impact along the three principal directions of a rolled plate. The inset better displays the HEL for each data set.

Image of FIG. 7.
FIG. 7.

Calculated (a) HEL and (b) spall strength values for impact through the thickness of an Al 5083-H116 plate. The data are presented for impact with thick (5 mm) and thin (3 mm) flyer plates.

Image of FIG. 8.
FIG. 8.

Calculated (a) HEL and (b) spall strength values for impact along all three principal directions of an Al 5083-H116 plate.

Image of FIG. 9.
FIG. 9.

Optical microscope images of damage in Al 5083-H116 samples following plate impact near 300 m/s along the (a) short transverse, (b) long transverse, and (c) longitudinal directions. The samples are viewed under polarized light in order to view the grain structure in addition to the spall damage.

Image of FIG. 10.
FIG. 10.

SEM images of the fracture surfaces in Al 5083-H116 samples following plate impact near 300 m/s along the (a) short transverse, (b) long transverse, and (c) longitudinal directions.

Image of FIG. 11.
FIG. 11.

SEM images of cracked inclusions within large dimples in the fracture surfaces of Al 5083-H116 samples following plate impact near 300 m/s. Impact was performed along the (a) short transverse, (b) long transverse, and (c) longitudinal directions.

Image of FIG. 12.
FIG. 12.

Optical microscope images of damage in Al 5083-H116 samples following plate impact through the thickness of the plate. Damage was found to nucleate (a) at cracked particles and also (b) at particle interfaces.

Tables

Generic image for table
Table I.

Material properties of Al 5083-H116 along the three principal directions of the rolled plate. The error represents a 95% confidence interval in all cases.

Generic image for table
Table II.

Calculated and measured free surface velocity data for Al 5083-H116. Multiple sample experiments are designated with ST (short transverse), LT(long transverse), or L (longitudinal) to denote the impact direction with respect to the orientation of the rolled plate.

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/content/aip/journal/jap/113/23/10.1063/1.4811452
2013-06-18
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spall behavior of rolled aluminum 5083-H116 plate
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/23/10.1063/1.4811452
10.1063/1.4811452
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