| 1. | Note the related particular Fe Ni alloy Invar which exhibits minimum thermal expansion.
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| 2. | The backplane assembly is made of graphite composite, invar, and titanium.
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| 3. | An Invar piston can be cast and machined, just like an aluminum piston.
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| 4. | The same electronic structure transition is believed to be a causal factor in Invar behaviour.
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| 5. | *An Invar piston is an economical choice to avoid steam leaks and cylinder wear.
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| 6. | The Invar alloy is not intrinsically expensive; only low demand makes the price high.
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| 7. | Guillaume is known for his discovery of nickel-steel alloys he named invar and elinvar.
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| 8. | The Invar enables the tank to hit targets at twice the range of the 125mm shells.
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| 9. | Instrument screw shafts are generally made of Invar, to prevent temperature from changing tolerances too much.
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| 10. | In 1896 Charles �douard Guillaume discovered the nickel based alloy "'Invar " '.
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