explosion clad material
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Principle of explosion bonded cladding
- Setting: Place the cladding material on the base material at intervals. Set the powdered explosive on the front surface of the cladding material.
- Detonation: The explosive is detonated and the energy of the explosive drives the cladding material to the base material surface at high speed, generating liquefied metal from the protruding surface. Metal jet (liquefied metal) must remove oxides, nitrides, and adsorbed gases from the surface of the cladding material and base material.
- Compression: Explosive compression is completed instantly (2500M/sec). There is no space for the explosion heat to travel to the metal material, this process is known as cold pressing. Explosive compression is characterized by the appearance of ripples at the compression interface.
The concept of material
Metallurgically connecting different metals with the instantaneous energy from an explosive explosion is known as explosive cladding. Metals that cannot be connected by rolling or diffusion bonding, such as forged materials, can be firmly joined with this explosive compression process.
- The processability, including bending and perforation, is great, and the joint strength is strong when compared to other joining techniques like roll cladding and build-up welding.
- The material is not heated during explosive pressing because it is a cold processing method, and its physical characteristics remain unchanged. The majority metals are joinable. In particular, it can join titanium or aluminum, which cannot be cultivated, and it can also join tantalum or zirconium.
- Multi-layer clad manufacturing is possible.
- tiny orders, tiny lots, and the beginning phases of research and development can all be accommodated by us.