Abstract
Using gravitational separation Self-propagating High-temperature Synthesis(SHS) process, ceramic composite coating was made in large cross-section rectangular pipes and hemming plate, which can be use directly and also can be cut into the ceramics clad steel plate. The experimental results showed that the surface of ceramics coating, for using section steel as core of large cross-section rectangular pipes or hemming plate combination pipes, is glossy, and its thickness is among 1.5~3.5mm. Metallurgical bonding between steel substrate and ceramics coating can not come into being and the mode of their joint is mainly mechanical bonding. The cooling process of the ceramic-lined square steel tubular was simulated by use of ANSYS. Temperature-time curves of composite rectangular pipes with different thickness and residual stress distribution were calculated, and the reason for creating bonding force. These provided a reference to choose the technologic parameters.
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