Influence of element distribution on mechanical properties in the bonding zone of explosively welded steels

Borchers, C.; Arlt, J.; Nowak, Carsten; Gärtner, F.; Hammerschmidt, Michael; Kreye, H.; Volkert, Cynthia A.; Kirchheim, R.

doi:10.1016/j.scriptamat.2021.113860

Cited by 7 publications

(1 citation statement)

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“…Among these methods, explosive welding (EXW) is usually considered a relatively versatile joining process due to its simple process, low loss and high quality [10,20]. EXW works by using the huge energy of detonation to accelerate the flyer plater toward the baseplate, and the joining is formed under intense impact [21,22], as shown in Figure 1(a). During the EXW process, the temperature at the explosively welded interface could reach 1667°C due to the intense impact of the flyer plate and baseplate [23], leading to the interface melting, and hence metallurgical bonding is formed.…”

Section: Introductionmentioning

confidence: 99%

Interfacial evolution of titanium/steel clad plates during pulsed tungsten inert gas welding

Yang

2023

Materials Science and Technology

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Joining titanium alloy with steel has important applications in the shipbuilding and aerospace industries. Successful titanium/steel joints fabricated by explosive welding have been reported recently. However, explosive welding is not ideal for welded structures with complex geometry. Here, pulsed tungsten inert gas (TIG) welding is introduced to promote the application of explosively welded transition joints. In this work, pulsed TIG of commercially pure titanium to mild steel with an explosively welded titanium/steel transition joint was carried out. The results showed that at peak current (Ip) ≤ 260 A, the TiC layer hampered the generation of FeTi and Fe2Ti. However, at Ip = 300 A, the TiC layer broke up, which resulted in the thickness of FeTi and Fe2Ti increasing sharply to 0.8 μm.

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