Mapping surface stress of automotive glass by non-contact polarimetric scans

Felix Müller; Hainer Wackerbarth; Georgios Ctistis

doi:10.1117/12.3009966

9 May 2024 Mapping surface stress of automotive glass by non-contact polarimetric scans

Felix Müller, Hainer Wackerbarth, Georgios Ctistis

Proceedings Volume 12950, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVIII; 129500Q (2024) https://doi.org/10.1117/12.3009966
Event: SPIE Smart Structures + Nondestructive Evaluation, 2024, Long Beach, California, United States

Abstract

Polarimetric methods using the properties of photoelasticity and polarisation optics allow the evaluation of stress patterns in transparent materials. Those are well established for transmission geometries measuring the integrated stress through the whole volume along the light path. On the contrary, surface sensitive measurements are challenging to realise, thus, rarely found and much less precise. However, due to the rising requirements concerning glass quality a surface stress measurement method, potentially suitable for inline processes, is needed. We are developing a non-contact and spatially resolved polarimetric measurement technique to evaluate the surface stress of single-pane and laminated safety glass, which is beyond the current industrial standard methods.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Felix Müller, Hainer Wackerbarth, and Georgios Ctistis "Mapping surface stress of automotive glass by non-contact polarimetric scans", Proc. SPIE 12950, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVIII, 129500Q (9 May 2024); https://doi.org/10.1117/12.3009966

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