Spall Fracture of a VNZh-90 Alloy Under a Shock Wave Load


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Based on the results of experiments carried out using a gas gun, data are obtained on the fracture of a VNZh-90 alloy (90% W-7% Ni-3% Fe) under a shock wave load in a pressure range of 2.5–4.0 GPa. Spall strength, which is a function of the degree of fracture and varies in a range of 1.00 to 1.25 GPa, and the nature of fracture are determined. Metallographic analysis is used to determine the damage parameter values. It is revealed that, under these conditions, the fracture comprises several stages, occurs in a (Ni-Fe) bond, and the tungsten particles do not fracture. It is shown that experimental results are in good agreement with the results of numerical calculations.

作者简介

I. Trunin

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF); Sarov State Physics and Technical Institute—The Departmet of the National Research Nuclear University “MEPhI,”

编辑信件的主要联系方式.
Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190; Sarov, 607186

I. Tereshkina

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF); Sarov State Physics and Technical Institute—The Departmet of the National Research Nuclear University “MEPhI,”

Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190; Sarov, 607186

A. Podurets

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF); Sarov State Physics and Technical Institute—The Departmet of the National Research Nuclear University “MEPhI,”

Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190; Sarov, 607186

V. Simakov

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF); Sarov State Physics and Technical Institute—The Departmet of the National Research Nuclear University “MEPhI,”

Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190; Sarov, 607186

M. Tkachenko

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF); Sarov State Physics and Technical Institute—The Departmet of the National Research Nuclear University “MEPhI,”

Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190; Sarov, 607186

V. Bragunets

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF)

Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190

A. Balandina

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF)

Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190

E. Shestakov

All-Russian Scientific Research Institute of Experimental Physics (VNIIEF); Sarov State Physics and Technical Institute—The Departmet of the National Research Nuclear University “MEPhI,”

Email: TIRSarov@yandex.ru
俄罗斯联邦, Sarov, 607190; Sarov, 607186

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