The author suggests that a choice between LM and titanium is not yet settled.
“One unresolved decision illustrates how much remains open. Apple is reportedly still choosing between liquid metal, which could improve durability and reduce display creasing, and a 3D-printed titanium alloy for the hinge mechanism, with the final call not expected until the Production Validation Test phase in July or early August, according to MacRumors. The choice matters beyond materials science. Liquid metal and titanium alloy behave differently at manufacturing scale, which means tooling, tolerances, and quality control processes differ meaningfully between them. A decision that late in the development cycle gives suppliers very little time to validate their processes before a production ramp would need to begin.
The hinge decision being open during EVT is the concrete illustration of the schedule compression. A core material choice that affects long-term durability, display crease performance, and manufacturing consistency is still unsettled while the device is supposed to be clearing its most critical test phase. That is not a normal state for a product on track for a fall launch.“
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