Chinese Optics, Volume. 18, Issue 3, 715(2025)
Study of bonding layer for integrated structure of space gravitational wave detector telescope
Fig. 1. (a) Key components of movable optical subassemblies and (b) integrated structure and design parameters
Fig. 3. Stress cloud map of bonding layer in random vibration analysis. (a) Flexures bonded on with epoxy. (b) Maximum normal stress cloud map when excitations are applied in the
Fig. 5. Tensile strength test results. (a) Tensile strength test results of J-133 adhesive. (b) Tensile strength test results of GHJ-01(z) adhesive. (c) Tensile strength test results of 3M-DP2216 adhesive. (d) Average strength values of three adhesives at different roughness levels
Fig. 6. Failure process and experimental results of J-133 bonding layer
Table 1. Optimal solution of integrated structural parameters
View tableView in ArticleTable 1. Optimal solution of integrated structural parameters
Variables Range of values Optimization results The upper ring support radii r1/mm 150–180 180.0 The lower ring support radii r2/mm 180–240 206.5 The angle between the upper support points α/° 5–20 15.7 The angle between the lower support points β/° 15–40 35.0
Table 2. Alternative epoxy adhesive and experimental design
View tableView in ArticleTable 2. Alternative epoxy adhesive and experimental design
Variables Epoxy adhesive J-133 GHJ-01(Z) 3M-DP2216 Bonding-layer thickness /mm 0.15 0.3 0.5 Surface roughness /μm Ra0.8 Ra1.6 Ra3.2 Ra6.3 Single group specimens 36 Total specimens 108
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Hong-chao ZHAO, Chang LIU, Wen-ke ZHOU, Han-bin ZHU, Wen-duo CHEN. Study of bonding layer for integrated structure of space gravitational wave detector telescope[J]. Chinese Optics, 2025, 18(3): 715
Category: Special Column on Space-based Gravitational Wave Detection
Received: Jul. 31, 2024
Accepted: Oct. 9, 2024
Published Online: Jun. 16, 2025
The Author Email: Wen-duo CHEN (chenwd29@mail.sysu.edu.cn)
