The Analytical Model of Stress Zone Formation of Ti6Al4V/AA1050/AA2519 Laminate Produced by Explosive Bonding

Ireneusz Szachogluchowicz,Lucjan Sniezek,Heorhiy Sulym,Krzysztof Grzelak,Iaroslav Pasternak,Ihor Turchyn

doi:10.3390/met9070779

Abstract

This paper contains an analytical description of the deformation of the upper layer AA2519/AA1050/Ti6Al4V laminate produced by an explosive bonding method. The basic parameters of the explosive welding process that influence the quality of the bonding are the detonation velocity of the explosive, the explosion energy, and the impact angle of the combined materials. The developed description uses the theory of elastodynamic character of materials deformation at the connection point due to local traction load. The presence of high pressure during joining was limited to the region where the plane surface moving with a constant subsonic velocity. An analytical description of the residual stresses distribution was also a performer. Results of analytical investigations were verified by structure examination of the bond zone. The work was supplemented by the chemical composition analysis of the base materials and a monotonic stretching test characterizing the basic mechanical properties of the produced laminate.

Highlights

Explosive welding is a process of great technological importance to the possibility of modern metal composite production
Studying of the mechanical phenomena which occur on actions of the high-speed blow of bodies, in particular, a formation of a wavy surface; 3. 3
WeDuring assumed the plate rests on rigid base.sheets certain angle, at least one of which, as a result of detonation of the explosive charge, reaches a speed of modelled with finite element method

Summary

Introduction

Explosive welding is a process of great technological importance to the possibility of modern metal composite production. It is an important complement to traditional plating production methods, such as welding or rolling mill. Bimetals obtained this way, and multilayered composites consisting of more than two materials, have unique structural properties [1,2]. Materials connectable by conventional methods can be explosion-bonded It is possible with metals and their alloys, for which traditional technology has no alternative. Problems of a choice of the energy carrier and experimental research of high-speed blow of bodies; 2. Studying of the mechanical phenomena which occur on actions of the high-speed blow of bodies, in particular, a formation of a wavy surface; Metals 2019, 9, 779; doi:10.3390/met9070779 www.mdpi.com/journal/metals

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