Proceedings of the 14th Symposium on Experimental Stress Analysis and Materials Testing : selected, peer reviewed papers from the 14th Symposium on Experimental Stress Analysis and Materials Testing with the Occasion of 90 Years of Strength of Materials Laboratory from POLITECHNICA University Timisoara May 23-25, 2013, Timisoara, Romania - Marsavina, Liviu (Key engineering materials, 2014)