As aerospace instruments become increasingly more precise and elaborate, the mechanical limits of glass components can become key design constraints. The probabilistic fracture behavior of glass is complex, and dependent on many variables. Typically, to avoid such complexity, overly simplistic strength estimates are employed that fail to take advantage of well understood glass properties. Such a simple approach requires the use of conservative strength values that encompass the weakest possible cases. This results in optic designs that, while robust, are unnecessarily massive and display excess wavefront error and instability, threatening mission viability.
A refined approach to glass strength forecasting
2009-03-01
331022 byte
Conference paper
Electronic Resource
English
An Engineer's Guide to Refined Glass Strength Forecasting
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