A Ballistic Evaluation of Ti-6A1-4V versus Long Rod Penetrators.

Burkins, Matthew S.; Paige, J. I.; Hansen, Jeffrey S.

doi:10.21236/ada311317

Cited by 6 publications

(12 citation statements)

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“…In the proposed model, the front layer thickness is set to equal to zero. The validation of the model is done by comparing its predicted penetration depths with the corresponding measurements of [4,5] at each impact velocity. The input data to the model are listed in Table 2.…”

Section: For the Penetration Of A Semi-infinite Rha Target By A Du Almentioning

confidence: 99%

“…In the proposed model, the target flow stress of titanium semi-infinite armor is determined by matching the measured penetration depth into titanium semi-infinite armor of Ref. [5] with the corresponding prediction of the present model at each impact velocity. Based on the predicted flow stress multipliers, Equation (20) is determined for the titanium semi-infinite armor and fed into the model.…”

Section: For the Penetration Of A Titanium Semi-infinite Target By A mentioning

confidence: 99%

“…Burkins, et al [5] performed a series of ballistic firing tests to study the ballistic performance of titanium alloy Ti-6A1-4V when used as semi-infinite backing into bi-element targets compared with RHA. The tests were performed by tungsten alloy and DU long rod projectiles used in Ref.…”

Section: Introductionmentioning

confidence: 99%

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Modeling Penetration of Bi-Element Metallic Targets by High-Speed Projectiles

Abou-Elela

Riad

Fayed

et al. 2012

The International Conference on Applied Mechanics and Mechanica

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In this paper, an analytical model is proposed to describe the penetration of a high-speed projectile into a metallic bi-element target, consisting of a finite thickness metallic layer facing a semi-infinite RHA armor. The proposed model identifies two main phases for target penetration; these are: (i) penetration of the front metallic layer and (ii) penetration of backing semi-finite metallic armor. During the target penetration phases, three modes of the projectile front may occur; these are erosion, mushrooming and rigid modes [1, 6]. Main assumptions and governing equations of each target penetration phase for each mode of projectile front are presented. These equations are arranged and compiled into a computer program. The input data to the program are easily determined. The measured penetration depths of depleted uranium (DU) projectiles into semiinfinite RHA armor at different impact velocities of Ref. [4, 5] are compared with the corresponding model predictions to determine the RHA flow stress. In addition, the model predictions are compared with the ballistic measurements of Ref. [4] to determine the flow stress of front metallic layer materials of the bi-element targets. The present model is also used to predict the ballistic efficiencies of the front titanium plates with different thicknesses when each of them is backed by a semi-infinite RHA armor. Moreover, predicted samples for the influence of the projectile impact velocity on the ballistic efficiency are presented and discussed.

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Section: For the Penetration Of A Semi-infinite Rha Target By A Du Almentioning

confidence: 99%

Section: For the Penetration Of A Titanium Semi-infinite Target By A mentioning

confidence: 99%

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Modeling Penetration of Bi-Element Metallic Targets by High-Speed Projectiles

Abou-Elela

Riad

Fayed

et al. 2012

The International Conference on Applied Mechanics and Mechanica

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“…Gooch et al [3][4][5][6] have tested titanium 6Al-4V against laboratory-scale long-rod penetrators with L/D of ten, 13, and 20 and impact velocities up to 2,000 m/s. The penetrators were tungsten alloys with masses of 65, 162, and 105 gm, respectively.…”

Section: Ballistic Testingmentioning

confidence: 99%

Titanium armor applications in combat vehicles

Montgomery

Wells

2001

JOM

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Overview TitaniumTitanium armor is being incorporated into the design of existing and future U.S. Army combat vehicles because it offers the best method of reducing vehicle weight and thus improving performance. Titanium's excellent specific mechanical and ballistic properties, as well as ease of fabrication, will likely make it a part of the U.S. Army's future combat system. How large a part it will be will depend on an overall cost/performance optimization.

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“…Until 1993, a major impediment to the consideration of titanium for armor applications had been the lack of baseline titanium ballistic performance data against modem penetrators. Since 1993, the U.S. Army Research Laboratory has published a series of papers in the literature that baseline the performance of titanium against modem kinetic energy penetrators, with the most complete ballistic data derived from joint tests with the French-German Research Institute Saint Louis in France [3,4,5]. Additionally, significant research efforts and ballistic testing continue on efforts to develop low cost titanum alloys [6,7].…”

Section: Introductionmentioning

confidence: 99%

The penetration resistance of a titanium alloy against jets from tantalum shaped charge liners

Walters

Gooch

Burkins

2001

International Journal of Impact Engineering

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-Titanium alloys, notably Ti-6AL-4V, are known to provide high mass effectiveness against kinetic energy penetrators. However, the penetration effectiveness of titanium against shaped charge jets has not been investigated in detail. An experimental study was conducted with Ti-6Al-4V billets impacted by shaped charge jets formed from 100-mm, 42-degree conical shaped charge liners fabricated from tantalum. This work represents the first study ofhyperveloeity, highdensity jet penetration into titanium alloys.

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A Ballistic Evaluation of Ti-6A1-4V versus Long Rod Penetrators.

Cited by 6 publications

References 0 publications

Modeling Penetration of Bi-Element Metallic Targets by High-Speed Projectiles

Modeling Penetration of Bi-Element Metallic Targets by High-Speed Projectiles

Titanium armor applications in combat vehicles

The penetration resistance of a titanium alloy against jets from tantalum shaped charge liners

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