Since Essays

Since _the Big Twist_

Since “The Big Twist” failure that killed multiple people, an investigation of the wheel and rail deviations from the derailed car has been carried out in order to determine what course of action should be taken to prevent similar catastrophes from occurring. In order to achieve safety, the rails of the newly designed car were supposed to be composed of 4130 steel. A heat treatment process involving a water quench and tempering was also required to modify the rail to…

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