Researching | Analysis of interface fatigue debonding characteristics of type-I steel sandwich plate

Chinese Journal of Ship Research, Volume. 19, Issue 2, 165(2024)

Analysis of interface fatigue debonding characteristics of type-I steel sandwich plate

Zhuangzhuang ZHAO¹, Jun YANG², Gang LIU^2,3, Zhengjun HAN⁴, and Hongqi YANG²

Author Affiliations

¹Marine Engineering Division, Shandong Electric Power Engineering Consulting Institute Co., Ltd.,Jinan 250014, China

²School of Naval Architecture Engineering, Dalian University of Technology, Dalian 116024, China

³State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, Dalian 116024, China

⁴Shanghai Division, China Ship Development and Design Center, Shanghai 201108, China

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Table 1. Mechanical parameters
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Table 1. Mechanical parameters
材料参数数值
母材304不锈钢 E/MPa 199 000
h/mm 1
$ {\sigma }_{\mathrm{s}} $/MPa 208
焊接层BNi-2 Ec /MPa 205 000
h2 /mm 0.08
$ {G}_{\mathrm{s}} $/(mJ·mm−2) 10.45
$ {\sigma }_{\mathrm{c}} $/MPa 30

Table 2. Structure sizes of type-I metal sandwich
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Table 2. Structure sizes of type-I metal sandwich
参数数值
夹芯板长L/mm 220
夹芯板宽B/mm 310
上面板厚t_t /mm 2
下面板厚t_b /mm 2
腹板厚t_c /mm 2
腹板间距b/mm 160
腹板高度h_c /mm 110

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Zhuangzhuang ZHAO, Jun YANG, Gang LIU, Zhengjun HAN, Hongqi YANG. Analysis of interface fatigue debonding characteristics of type-I steel sandwich plate[J]. Chinese Journal of Ship Research, 2024, 19(2): 165

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Paper Information

Category: Ship Structure and Fittings

Received: Feb. 17, 2023

Accepted: --

Published Online: Mar. 18, 2025

The Author Email:

DOI:10.19693/j.issn.1673-3185.03275

Topics

laser devices and laser physics

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Instrumentation, Measurement and Metrology