IIW recommendations for the HFMI treatment for improving the fatigue strength of welded joints di Marquis, G., Barsoum, Zuheir

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Particle strengthening of metals and alloys di Nembach, E. (Eckhard)

Introduction to strengthening mechanisms. di Felbeck, David K.

New ways of increasing the strength of metals ISI publication (Iron and Steel Institute.) di Ivanova, Vera Semenovna