Test method for improving surface quality of microalloyed steel continuous casting slab
A surface quality, micro-alloyed steel technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problem of not considering temperature fluctuations, etc., to reduce the incidence of cracks and improve the surface quality. Effect
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[0020] The technical scheme described in the present invention will be further explained and explained below in conjunction with the accompanying drawings, however, the explanation and explanation does not limit the technical solutions of the present invention.
[0021] Select the microalloy steel plate A, processed into a high temperature stretch sample size, and measure the high temperature thermoplastic under different processes by high temperature tension on the Gleeble-3800 thermal simulation test machine, install the sample according to the step, and the AR protection is passed. Run the program until the sample is broken, measured and calculated the section shrinkage rate at the fracture of the disconnection.
[0022] Considering the actual continuous casting blank at the temperature range of the straightening area, the experimental temperature range is set to 700 ~ 1000 ° C, and the conventional constant temperature stretching is taken at 50 ° C, while the stretching of the...
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