• Infrared and Laser Engineering
  • Vol. 51, Issue 4, 20210295 (2022)
Nan Zhang1、2, Yue Wang1, Zhifei Zhang1, Qinglin Li1, and Junlei Chang1
Author Affiliations
  • 1Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China
  • 2Beijing Key Laboratory of Advanced Optical Remote Sensing Technology, Beijing 100094, China
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    DOI: 10.3788/IRLA20210295 Cite this Article
    Nan Zhang, Yue Wang, Zhifei Zhang, Qinglin Li, Junlei Chang. Research and test on mechanical properties of adhesive for infrared optical materials[J]. Infrared and Laser Engineering, 2022, 51(4): 20210295 Copy Citation Text show less
    3D model of tensile test
    Fig. 1. 3D model of tensile test
    3D model of shear test
    Fig. 2. 3D model of shear test
    Adhesive strength test
    Fig. 3. Adhesive strength test
    Test process
    Fig. 4. Test process
    Stress distribution at room temperature
    Fig. 5. Stress distribution at room temperature
    Stress distribution at low temperature
    Fig. 6. Stress distribution at low temperature
    Test results at room temperature
    Fig. 7. Test results at room temperature
    Test results at room temperature after heat cycle
    Fig. 8. Test results at room temperature after heat cycle
    Test results at low temperature
    Fig. 9. Test results at low temperature
    Test destroy interface
    Fig. 10. Test destroy interface
    Materialp/g·cm3E/GPa CLTE/℃−1
    Si2.32190.02.5E-6
    Ge5.35102.76.0E-6
    ZnSe5.4267.27.6E-6
    Table 1. Mechanical properties of infrared materials
    EnvironmentD/mm S/MPa SD/MPa
    RT0.11836.1241.381
    TCRT0.10935.1060.799
    LT0.10734.0720.411
    Table 2. Ge-TC4 tensile test results
    EnvironmentD/mm MS/MPa S/MPa SD/MPa
    RT0.26122.94626.1980.564
    TCRT0.25922.09225.3930.741
    LT0.22021.77924.3140.605
    Table 3. Ge-TC4 shear test results
    EnvironmentD/mm S/MPa SD/MPa
    RT0.11237.0521.341
    TCRT0.10636.6521.470
    LT0.10333.7191.351
    Table 4. Si-Invar tensile test results
    EnvironmentD/mm MS/MPa S/MPa SD/MPa
    RT0.22323.07027.2531.306
    TCRT0.20821.93426.6270.948
    LT0.20221.37525.7161.036
    Table 5. Si-Invar shear test results
    Nan Zhang, Yue Wang, Zhifei Zhang, Qinglin Li, Junlei Chang. Research and test on mechanical properties of adhesive for infrared optical materials[J]. Infrared and Laser Engineering, 2022, 51(4): 20210295
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