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001 ocm74256880;

003 OCoLC;

005 20141212064255.0;

006 m d f ;

007 cr bn|||||||||;

008 080513s2003 mdua ob f000 0 eng d;

029 0 a| DTICEb| ADA418829;

035 a| (Sirsi) o74256880;

035 a| (OCoLC)74256880;

049 a| ERE#;

074 a| 0324-A-01 (online);

086 0 a| D 101.133:3075;

100 1 a| Segletes, Steven B.?| UNAUTHORIZED;

245 10 a| Analysis of the noneroding penetration of tungsten alloy long rods into aluminum targets /c| Steven B. Segletes.;

260 a| Aberdeen Proving Ground, MD :b| Army Research Laboratory,c| [2003];

300 a| 1 online resource (vi, 34 pages) :b| illustrations.;

336 a| text2| rdacontent;

337 a| computer2| rdamedia;

338 a| online resource2| rdacarrier;

490 1 a| ARL-TR ;v| 3075;

500 a| Title from title screen (viewed May 24, 2011).;

500 a| "September 2003.";

504 a| Includes bibliographical references (p. 17-19).;

506 a| APPROVED FOR PUBLIC RELEASE.;

520 a| Data concerning the rigid/eroding-rod threshold transition are reported for hemispherical-nosed tungsten rods penetrating into thick 5083-aluminum targets. Presented data quantitatively buttress existing explanations. The current analysis suggests that the penetrator must bring to bear a different "apparent" strength in the noneroding- vs. the eroding-penetration regimes. Conventional one-dimensional penetration analysis reveals that the noneroding datum is wholly consistent with the notion of treating the rod as if it penetrated in a rigid-body fashion, possessing unrealistically high yield strength. Study of a recovered rod fragment reveals that the penetrating rod nonetheless deformed, but did so without erosion. Such an observation for hemispherical-nosed rods is consistent with past qualitative explanations posited for ogival-nosed rods. The phenomenon, supported by analysis, is that an exaggerated stress was axially applied by the rod to the target interface, composed of both the rod's intrinsic yield strength plus a confining stress caused by a lateral interference fit between the rod and target during the penetration event.;

650 17 a| Metallurgy and Metallography.2| scgdst;

650 17 a| Tungsten alloys.2| dtict;

650 27 a| High rate.2| dtict;

650 27 a| Interfaces.2| dtict;

650 27 a| One dimensional.2| dtict;

650 27 a| Targets.2| dtict;

650 27 a| Erosion.2| dtict;

650 27 a| Penetration.2| dtict;

650 27 a| High strength.2| dtict;

650 27 a| Aluminum.2| dtict;

650 27 a| Strength(general)2| dtict;

650 27 a| Rods.2| dtict;

650 0 a| Tungsten alloys.=| ^A1017346;

650 0 a| Aluminum.=| ^A182171;

650 0 a| Targets (Shooting)=| ^A855234;

650 0 a| Shooting, Military.=| ^A339861;

710 2 a| U.S. Army Research Laboratory.=| ^A367731;

830 0 a| ARL-TR (Aberdeen Proving Ground, Md.) ;v| 3075.=| ^A566074;

856 40 u| http://purl.fdlp.gov/GPO/gpo7807;

949 a| Click on web addressw| ASISh| JOYNER94;

994 a| C0b| ERE;

596 a| 1;

998 a| 2483340;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 2483340-1001l| JNETm| JOYNERr| Ys| Yt| JNE1DOu| 6/9/2011x| EDOCUMENTz| JERESOURCE;

Analysis of the noneroding penetration of tungsten alloy long rods into aluminum targets / Steven B. Segletes.

Author/creator	Segletes, Steven B.
Other author	U.S. Army Research Laboratory.
Format	Electronic
Publication Info	Aberdeen Proving Ground, MD : Army Research Laboratory, [2003]
Description	1 online resource (vi, 34 pages) : illustrations.
Supplemental Content	http://purl.fdlp.gov/GPO/gpo7807
Subjects	Tungsten alloys. Aluminum. Targets (Shooting) Shooting, Military.

Series	ARL-TR ; 3075 ARL-TR (Aberdeen Proving Ground, Md.) ; 3075. ^A566074
Abstract	Data concerning the rigid/eroding-rod threshold transition are reported for hemispherical-nosed tungsten rods penetrating into thick 5083-aluminum targets. Presented data quantitatively buttress existing explanations. The current analysis suggests that the penetrator must bring to bear a different "apparent" strength in the noneroding- vs. the eroding-penetration regimes. Conventional one-dimensional penetration analysis reveals that the noneroding datum is wholly consistent with the notion of treating the rod as if it penetrated in a rigid-body fashion, possessing unrealistically high yield strength. Study of a recovered rod fragment reveals that the penetrating rod nonetheless deformed, but did so without erosion. Such an observation for hemispherical-nosed rods is consistent with past qualitative explanations posited for ogival-nosed rods. The phenomenon, supported by analysis, is that an exaggerated stress was axially applied by the rod to the target interface, composed of both the rod's intrinsic yield strength plus a confining stress caused by a lateral interference fit between the rod and target during the penetration event.
General note	Title from title screen (viewed May 24, 2011).
General note	"September 2003."
Bibliography note	Includes bibliographical references (p. 17-19).
Access restriction	APPROVED FOR PUBLIC RELEASE.
GPO item number	0324-A-01 (online)
Govt. docs number	D 101.133:3075

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Analysis of the noneroding penetration of tungsten alloy long rods into aluminum targets / Steven B. Segletes.

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