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Of the top of my head, IIRC the blades in a turbine are grown into a single crystal of titanium so there’s no weak points between the crystalline structure.
Edit. https://www.theengineer.co.uk/content/in-depth/jewel-in-the-crown-rolls-royce-s-single-crystal-turbine-blade-casting-foundry
Not titanium, nickel alloy.