A hardened steel plate was reasonably flat after heat treatment.However, after grinding from one side as needed, it distortedbadly. What should be done to prevent deformation?
The hardened plate is subjected to internal stressesin equilibrium, (tension and compression) symmetricallydistributed from both sides of the mid plane. By grinding from one side only, equilibrium is disrupted. The remaining stresses rearrange in such a way that producesdistortion. The remedy would be, if possible, to grindsymmetrically from both sides. Top Preventing Distortion[from PWL #66] Q: I have a question regarding welding angular distortions in butt-welded stainless steel plates. I have done some experiments for plates with dimensions 150*200*2 mm, but something strange has happened. Some of my plates have distorted upward but the others have distorted downward. The welding conditions have been the same for all of them. A: Distortion is the consequence of residual stresses set in by welding. Especially for manual welding, it is almost impossible to determine if welding conditions were or not exactly the same. Taking into account that distortion will be always greater in stainl
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