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用于穿孔试验的NICRO 12.1热粘塑性行为的实验与数值研究

Experimental and Numerical Study of the Thermo-Viscoplastic Behavior of NICRO 12.1 for Perforation Tests.

作者信息

Alonso-Elías Eva, Rusinek Alexis, Rubio-Díaz Ignacio, Bernier Richard, Rodríguez-Millán Marcos, Miguelez María Henar

机构信息

SERTEC, SL. (Servicios de Tecnología, Ingeniería e Informática, S.L.) Avda. Rita Levi Montalcini 14, 28906 Getafe, Madrid, Spain.

Department of Mechanical Engineering, University Carlos III of Madrid, Avda. de la Universidad 30, 28911 Leganés, Madrid, Spain.

出版信息

Materials (Basel). 2020 Sep 27;13(19):4311. doi: 10.3390/ma13194311.

DOI:10.3390/ma13194311
PMID:32992552
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7579611/
Abstract

Dynamic impact tests using thin metal plates for ballistic characterization have received significant attention in recent years. The Johnson-Cook (J-C) model is extensively used in numerical modeling of impact and penetration in metals. The AISI (American Iron and Steel Institute) 301 steel family presents good impact behavior, excellent formability, and high corrosion resistance. Thus, NICRO (Nickel and Hard Chrome Plated Steel) 12.1 (part of the AISI 301 steel family) was chosen in this work, although parameters of the J-C model or impact results were not found in the literature. In this work, NICRO 12.1 steel plates, were characterized in ballistics with an initial impact velocity up to 200 m/s and three shape nose projectiles. The Johnson-Cook parameters for the NICRO 12.1 steel were calculated for a large range of temperatures and strain rates. Impact tests were carried out using three projectiles: conical, hemispherical, and blunt. The ballistic curves, failure mode, and maximum deformation obtained with each projectile, experimentally and numerically, were compared, and a good correlation was obtained.

摘要

近年来，使用薄金属板进行动态冲击试验以进行弹道特性表征受到了广泛关注。约翰逊-库克（J-C）模型在金属冲击和侵彻的数值模拟中被广泛应用。美国钢铁协会（AISI）301钢族具有良好的冲击性能、出色的可成形性和高耐腐蚀性。因此，本研究选择了NICRO 12.1（AISI 301钢族的一部分），尽管在文献中未找到J-C模型的参数或冲击结果。在本研究中，对NICRO 12.1钢板进行了弹道特性表征，初始冲击速度高达200 m/s，并使用了三种形状头部的弹丸。针对NICRO 12.1钢在大范围温度和应变率下计算了约翰逊-库克参数。使用三种弹丸进行了冲击试验：锥形、半球形和钝头形。对每种弹丸通过实验和数值方法获得的弹道曲线、失效模式和最大变形进行了比较，并获得了良好的相关性。

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本文引用的文献

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2
Johnson Cook Material and Failure Model Parameters Estimation of AISI-1045 Medium Carbon Steel for Metal Forming Applications.用于金属成型应用的AISI - 1045中碳钢的约翰逊-库克材料及失效模型参数估计
Materials (Basel). 2019 Feb 18;12(4):609. doi: 10.3390/ma12040609.