The construction of lightweight mirrors requires materials with good welding properties that also are free from creeping effects. The described construction gives a good balance between weight reduction (50 to 60 percent) and rigidity. The ability of the mirror to withstand mechanical and thermal loads is proved by measurements of surface distortion under mechanical load, during radiation heating, heating through the support system, and temperature cycling. The impact and shear strength of the fused joints are examined by several tests.


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    Title :

    Fused Silica Lightweight Mirror Blanks


    Contributors:


    Publication date :

    1969-03-01


    Size :

    6814215 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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