冲击加载-卸载-再加载条件下Cr-Ni-Mo钢的层裂损伤

洪逸非; 李绪海; 吴凤超; 张昭国; 张建; 陈森; 王媛; 俞宇颖; 胡建波

doi:10.11858/gywlxb.20240757

冲击加载-卸载-再加载条件下Cr-Ni-Mo钢的层裂损伤

doi: 10.11858/gywlxb.20240757

洪逸非^{1, 2,},
李绪海^2,*, ,,
吴凤超²,
张昭国²,
张建¹,
陈森²,
王媛²,
俞宇颖²,
胡建波^2,*, ,

1.
武汉理工大学材料复合新技术国家重点实验室, 湖北武汉　430070
2.
中国工程物理研究院流体物理研究所, 四川绵阳　621999

基金项目: 国家重点研发计划（2021YFB3802303）

详细信息

作者简介:
洪逸非（1999－），男，硕士研究生，主要从事材料动态力学行为研究. E-mail：317422@whut.edu.cn

通讯作者:
李绪海（1985－），男，博士，助理研究员，主要从事冲击波物理研究. E-mail：lixuhai@caep.cn

胡建波（1980－），男，博士，研究员，主要从事高压物理与力学研究. E-mail：jianbo.hu@caep.cn

中图分类号: O346.4; O521.2
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- 文章访问数: 15
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出版历程
- 收稿日期: 2024-03-20
- 修回日期: 2024-05-07
- 网络出版日期: 2024-07-15

Spall Damage of Cr-Ni-Mo Steel under Shock-Release-Reloading Conditions

HONG Yifei^{1, 2
,},
LI Xuhai^{2,*
, ,},
WU Fengchao²,
ZHANG Zhaoguo²,
ZHANG Jian¹,
CHEN Sen²,
WANG Yuan²,
YU Yuying²,
HU Jianbo^{2,*
, ,}

1.
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei, China
2.
National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

摘要

摘要: 基于一级轻气炮加载技术，利用不同类型的多层复合飞片，实现了冲击加载-卸载-再加载路径，结合回收表征以及一维流体力学模拟，对Cr-Ni-Mo钢在冲击加载-卸载-再加载路径下的层裂损伤行为进行了深入研究。结果表明，在冲击加载-卸载-再加载路径下，层裂面会重新闭合并形成微损伤带，而孔洞位置仍然位于原奥氏体边界和板条群边界处，裂纹仍保持穿晶+沿晶的混合断裂模式。此外，第1层飞片与样品之间存在的较大阻抗差异会导致自由面速度中的再加载信号缺失。这些发现为深入理解Cr-Ni-Mo钢在复杂加载路径下的层裂行为提供了重要参考。
- Cr-Ni-Mo钢 /
- 层裂 /
- 冲击加载 /
- 再加载 /
- 加载路径
Abstract: In this work, plate-impact experiments, postmortem characterizations and one-dimensional hydrodynamic simulations were conducted to investigate the spall behavior of Cr-Ni-Mo steel under complex shock loading paths. Multi-layer flyers were utilized to generate the complex shock-release-reloading paths. Re-closed spall plane and mitigated damage zones were observed after recompression. Voids nucleate at the austenite grain boundaries and packet boundaries, which is consistent with the observations in single-shock experiments. The damage behavior is characterized by a mixed mode with both transgranular and intergranular characteristics. Moreover, notable impedance mismatch between different flyer layers can lead to the absence of reloading signal in the free surface velocity profiles. These findings can provide us insights into the spall behavior of Cr-Ni-Mo steel under complex loading conditions.
- Cr-Ni-Mo steel /
- spall /
- shock loading /
- reloading /
- loading path

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图 1 马氏体钢原始样的显微组织表征

Figure 1. Microstructural characterizations of the martensitic steel

下载: 全尺寸图片幻灯片

图 2 平板撞击实验装置示意图

Figure 2. Schematic diagram of the plate-impact experiment setup

下载: 全尺寸图片幻灯片

图 3 用于层裂和层裂再压缩的实验构型（通过“高-低-高”阻抗组合飞片设计实现对样品的冲击加载-卸载-再加载，样品为Co-Ni-Mo低合金马氏体钢）

Figure 3. Layered flyers composed of high-low-high impedance materials for spall and spall recompression experiments(Sample: Co-Ni-Mo low alloy martensitic steel)

下载: 全尺寸图片幻灯片

图 4 不同飞片加载下的自由面速度历史

Figure 4. Free surface velocity histories of experiments with different flyers

下载: 全尺寸图片幻灯片

图 5 (a) 回收样品整体光学显微镜照片，(b)～(d) Shot 1、Shot 2 和Shot 3的局部光学显微照片

Figure 5. (a) Optical microscope photographs of the recovered samples, (b)−(d) zoom-in views for Shot 1, Shot 2 and Shot 3

下载: 全尺寸图片幻灯片

图 6 沿撞击方向不同位置的损伤度分布

Figure 6. Damage degree as a function of distance from the impact surface for different shots

下载: 全尺寸图片幻灯片

图 7 不同类型飞片加载后马氏体钢的显微组织：(a)～(c) Shot 1中样品的局部SEM照片及其对应的IPF图和KAM图，(d)～(f) Shot 2中样品的局部SEM照片及其对应的IPF图和KAM图，(g)～(i) Shot 3中样品的局部SEM照片及其对应的IPF图和KAM图

Figure 7. Microstructural characteristics of the recovered samples for different shots: (a)−(c) SEM micrograph and its IPF and KAM maps of shot 1; (d)−(f) SEM micrograph and its IPF and KAM maps of shot 2; (g)−(i) SEM micrograph and its IPF and KAM maps of shot 3

下载: 全尺寸图片幻灯片

图 8 一维流体力学模拟结果

Figure 8. One-dimensional hydrodynamics simulation results

下载: 全尺寸图片幻灯片

表 1 平板撞击实验参数及结果

Table 1. Parameters and results of plate-impact experiments

Shot No. Flyer d_f/mm d_s/mm u_imp/(m·s⁻¹) σ_H/GPa σ_sp/GPa

1 Cu/PC/Ta 0.51/0.40/0.50 1.21 604 9.34 5.79

2 Ta/PC/Ta 0.50/0.39/0.50 1.20 600 12.27 5.82

3 Cu 0.50 1.19 600 9.32 5.48

下载: 导出CSV

表 2 Cr-Ni-Mo钢的Mie-Grüneisen状态方程参数

Table 2. Mie-Grüneisen EOS parameters for Cr-Ni-Mo steel

ρ₀/(g·cm⁻³) c/(km·s⁻¹) S₁ γ₀ S₂ S₃

7.78 4.69 1.49 1.93 0 0

下载: 导出CSV

表 3 Cr-Ni-Mo钢的Steinberg-Guinan本构模型参数

Table 3. Steinberg-Guinan constitutive model parameters for Cr-Ni-Mo steel

Y₀/GPa Y_max/GPa G₀/GPa β n $ {G}'_{{p}} $ $ {G}'_{{T}} $/(GPa·K⁻¹) $ {Y}'_{{p}} $

1.5 3 77 43 0.35 1.74 −3.5×10⁻³ 7.7×10⁻³

下载: 导出CSV

参考文献(25)

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Shot No.	Flyer	d_f/mm	d_s/mm	u_imp/(m·s⁻¹)	σ_H/GPa	σ_sp/GPa
1	Cu/PC/Ta	0.51/0.40/0.50	1.21	604	9.34	5.79
2	Ta/PC/Ta	0.50/0.39/0.50	1.20	600	12.27	5.82
3	Cu	0.50	1.19	600	9.32	5.48

ρ₀/(g·cm⁻³)	c/(km·s⁻¹)	S₁	γ₀	S₂	S₃
7.78	4.69	1.49	1.93	0	0

Y₀/GPa	Y_max/GPa	G₀/GPa	β	n	$ {G}'_{{p}} $	$ {G}'_{{T}} $/(GPa·K⁻¹)	$ {Y}'_{{p}} $
1.5	3	77	43	0.35	1.74	−3.5×10⁻³	7.7×10⁻³

冲击加载-卸载-再加载条件下Cr-Ni-Mo钢的层裂损伤

doi: 10.11858/gywlxb.20240757

作者简介: 洪逸非（1999－），男，硕士研究生，主要从事材料动态力学行为研究. E-mail：317422@whut.edu.cn

通讯作者: 李绪海（1985－），男，博士，助理研究员，主要从事冲击波物理研究. E-mail：lixuhai@caep.cn 胡建波（1980－），男，博士，研究员，主要从事高压物理与力学研究. E-mail：jianbo.hu@caep.cn

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Spall Damage of Cr-Ni-Mo Steel under Shock-Release-Reloading Conditions

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目录

作者简介:
洪逸非（1999－），男，硕士研究生，主要从事材料动态力学行为研究. E-mail：317422@whut.edu.cn

通讯作者:
李绪海（1985－），男，博士，助理研究员，主要从事冲击波物理研究. E-mail：lixuhai@caep.cn

胡建波（1980－），男，博士，研究员，主要从事高压物理与力学研究. E-mail：jianbo.hu@caep.cn