Symposium description:

_____________________________________________________________________ SCOPE OF THE SESSION _____________________________________________________________________
The session will focus on all experimental methods and techniques related to residual stress and strain measurement in multi-materials or advanced materials, such as polymer matrix, metal matrix or ceramic matrix composites and due to the manufacturing process or the in-service environment.
***************************************************************** Contributions dealing with non-invasive methods, in-situ techniques based on optical fiber sensor or micro-sensor for instance, contactless techniques based on full-field optical techniques are encouraged in particular. Applications to electronic packaging, MEMS and material coating are expected. _____________________________________________________________________ TOPICS _____________________________________________________________________ - All types of multi-materials and composites are addressed;_____________________ - Advances in stress and strain measurement methods: Hole drilling, layer removal and sectioning methods;____________________________________________________ - X-Ray diffraction method, neutron diffraction method ultrasonic and magnetic methods; - Strain gauges, optical fiber sensors, full-field optical methods; - Analysis of accuracy and benchmark of methods; - Application of hybrid methods to residual stress and strain measurement; - Multiscale strain measurements; - Advances in measurement of material parameters during the process: strain and gradient of strain, temperature and gradient of temperature, cure degree of polymer matrix… - Advances in strain measurement methods, in particular in-situ strain measurements; - innovative measurement methods such as full-field optical measurement techniques; - New mechanical tests to characterize stress/strain state; - Applications to accelerated ageing test analysis; - Applications to dimensional stability of composite structures; - Applications to fatigue life assessment; - Applications to thick composites and complex shaped parts. _________________________________________________________________