The Explosion-roll Bonding Clad Plate is the metal clad plate manufactured by the combination of the explosive welding and the hot rolling.
Select the best clad plates with the best process parameters of strength of the highest of the explosion welding combined, meanwhile the other pointers are also the best.
If the clad plate edges cracks a little (bad welded parts), we need to be trimmed and cut it down.
Choose the best rolling process, especially the metal combinations with metal compounds, whose hot rolling heating process should be particularly careful.
The clad plate sometimes will curl after the explosive welding, with sufficient sized mills, symmetrical overrolling is a simple and well effective method to solve the severe curling problem. During the production process, the whole combined plate is just like a thicker plate which will be hot rolled, and after cut, many clad plates will be produced. The method promotes the production speed in short time.
| Property | Specification |
| Cladding Cladding | Few microns to several millimeters |
| Base Metal Cladding | Much greater than cladding |
| Size | Limited by rolling mill size (wide range of sizes) |
| Metals | Steels, nickel alloys, copper alloys, aluminum alloys (wide variety) |
Material Selection: The process begins with selecting the metals to be bonded. Typically, one metal acts as the base (usually a low-cost, high-strength material), while the other is a clad metal that provides specific properties like corrosion resistance or electrical conductivity.
Surface Preparation: The surfaces of the metals to be bonded must be meticulously cleaned and prepared to ensure a strong bond. This often involves removing oxides, scales, and other contaminants through mechanical or chemical means.
Setup: In this stage, the base metal and the clad metal are aligned in a specific configuration. The metal plates are typically stacked with a layer of explosives placed above the clad metal.
Explosion: A controlled explosion is detonated above the clad metal. The explosion generates a shock wave that forces the clad metal to rapidly impact the base metal. The extreme pressure and temperature created by the explosion cause the metals to deform and bond at a molecular level.
Bond Formation: The result of the explosion is a strong metallurgical bond between the base and clad metals. This bond is achieved without the need for additional heat or adhesive materials, relying solely on the physical force of the explosion to create a high-quality bond.
Initial Processing: After the explosive bonding, the clad plates are subjected to roll bonding. This involves passing the bonded plates through a series of rollers that apply substantial pressure.
Rolling Process: The roll bonding process further enhances the bond quality by reducing the thickness of the clad plate and ensuring uniformity. The rollers apply pressure to the bonded plates, which compresses and elongates the metal layers, making the bond more robust and integrated.
Quality Control: Throughout the roll bonding process, quality control measures are taken to ensure that the bonded plates meet the desired specifications. This includes checking for uniformity, adhesion strength, and overall integrity.
Heat Treatment: In some cases, the clad plates undergo heat treatment to relieve residual stresses and improve the mechanical properties of the bond.
Surface Finishing: The final stage involves surface finishing processes such as grinding, polishing, or coating to achieve the desired surface quality and appearance.
Inspection and Testing: Comprehensive inspections and tests are conducted to ensure that the clad plates meet all required standards. This includes non-destructive testing methods to check for defects or inconsistencies in the bond.
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