Phase diagrams and TTT curves? They are like the beauty parlour appointment chart and the timing for applying colour on auntyji's hair. If you don't follow the schedule, the result is brittle and weak. In my factory, the heat treatment furnace is that strict stylist—one wrong temperature and the camshaft is *kharaab*.
My life says the theory is perfect, but the shop floor is real. Just yesterday, a batch of gears had to be scrapped because the power fluctuation messed with the quenching time. The book said 'phase transformation,' my manager said 'loss.
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