A comment on “Plasticity, ductile fracture and ballistic impact behavior of Ti-6Al-4V Alloy” by Wu et al. (2023), Int. J. Impact Eng. 174:104493

Z. Rosenberg; Y. Vayig

doi:10.1016/j.ijimpeng.2024.105165

A comment on “Plasticity, ductile fracture and ballistic impact behavior of Ti-6Al-4V Alloy” by Wu et al. (2023), Int. J. Impact Eng. 174:104493

Z. Rosenberg, Y. Vayig

Research output: Contribution to journal › Article › peer-review

Abstract

We discuss a common misunderstanding made by many authors, regarding their data analysis for blunt rigid projectiles perforating thin metallic plates. The problem with their analysis is that they use the empirical relation of Lambert and Jonas (1976), which was suggested for eroding projectiles penetrating thick plates. Instead, they should use the physics-based model of Recht and Ipson (1963) to account for their data. The paper of Wu et al. (2023) is one of these works, and we use their ballistics results to demonstrate the benefits of the R-I model to account for their data.

Original language	English
Article number	105165
Journal	International Journal of Impact Engineering
Volume	196
DOIs	https://doi.org/10.1016/j.ijimpeng.2024.105165
State	Published - 1 Feb 2025
Externally published	Yes

Keywords

Lambert-Jonas model
Plate perforation
Recht-Ipson model
Residual velocity

ASJC Scopus subject areas

Civil and Structural Engineering
Automotive Engineering
Aerospace Engineering
Safety, Risk, Reliability and Quality
Ocean Engineering
Mechanics of Materials
Mechanical Engineering

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10.1016/j.ijimpeng.2024.105165

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title = "A comment on “Plasticity, ductile fracture and ballistic impact behavior of Ti-6Al-4V Alloy” by Wu et al. (2023), Int. J. Impact Eng. 174:104493",

abstract = "We discuss a common misunderstanding made by many authors, regarding their data analysis for blunt rigid projectiles perforating thin metallic plates. The problem with their analysis is that they use the empirical relation of Lambert and Jonas (1976), which was suggested for eroding projectiles penetrating thick plates. Instead, they should use the physics-based model of Recht and Ipson (1963) to account for their data. The paper of Wu et al. (2023) is one of these works, and we use their ballistics results to demonstrate the benefits of the R-I model to account for their data.",

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AB - We discuss a common misunderstanding made by many authors, regarding their data analysis for blunt rigid projectiles perforating thin metallic plates. The problem with their analysis is that they use the empirical relation of Lambert and Jonas (1976), which was suggested for eroding projectiles penetrating thick plates. Instead, they should use the physics-based model of Recht and Ipson (1963) to account for their data. The paper of Wu et al. (2023) is one of these works, and we use their ballistics results to demonstrate the benefits of the R-I model to account for their data.

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KW - Recht-Ipson model

KW - Residual velocity

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A comment on “Plasticity, ductile fracture and ballistic impact behavior of Ti-6Al-4V Alloy” by Wu et al. (2023), Int. J. Impact Eng. 174:104493

Abstract

Keywords

ASJC Scopus subject areas

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