A general model for welding of ash particles in volcanic systems validated using in situ X-ray tomography

Wadsworth, F.; Vasseur, J.; Schauroth, J.; Llewellin, E.; Dobson, K.; Havard, T.; Scheu, B.; von Aulock, F.; Gardner, J.; Dingwell, D.; Hess, K.; Colombier, M.; Marone, F.; Tuffen, H.; Heap, M.