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

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

Introduction to strengthening mechanisms. od Felbeck, David K.

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