June 18, 2021, 07:15:38 PM
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Topic: How to read these compounds precipitation γ' γ": Ni3(Al, Ti), Ni3Nb  (Read 379 times)

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Offline FabioP

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I'm trying to understand how to read out loud these: Ni3(Al, Ti), Ni3Nb. Dose anyone know how to? Thanky you in advance

Offline chenbeier

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Re: How to read these compounds precipitation γ' γ": Ni3(Al, Ti), Ni3Nb
« Reply #1 on: January 18, 2021, 12:23:12 PM »
These are no compounds. These are alloys made by Nickel, Aluminium, Titanium and Niobium in the ratio of 3 mole Nickel to 1 mol of the other element.

Offline Enthalpy

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Re: How to read these compounds precipitation γ' γ": Ni3(Al, Ti), Ni3Nb
« Reply #2 on: February 07, 2021, 06:42:03 PM »
They are known precipitates in an alloy matrix. They serve to harden steel and nickel alloys by tempering. Their composition is fixed, as opposed to an alloy, except that (Al, Ti) means that the sum is constant, the proportion of constituents can vary. The same happens with (Nb, Ta) for instance, where most alloys don't even bother to separate both, even in the specification.

Gamma is probably the crystal shape of the precipitate.

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