A kind of nickel-based alloy with nanostructure and γ` phase composite structure and preparation method thereof
A technology of nickel-based alloy and composite structure, which is applied in the field of nickel-based alloy with nanostructure and γ' phase composite structure and its preparation, can solve the problems of difficulty in regulation, treatment of uneven layer structure, sacrificial plasticity, etc., and achieves easy control. , easy to deform process parameters, improve the effect of strength
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Embodiment 1
[0039] (1) The chemical element in the nickel-based alloy to be treated is measured as follows (at.%) As follows: Ni: 48.70%, CO: 22.94%, Cr: 15.46%, Al: 5.10%, Ti: 4.96%, MO: 1.81%, W: 0.34%, Fe: 0.51%, Zr: 0.02%, C: 0.11%, B: 0.05%;
[0040] The nickel-based alloy was carried out to give a nickel-based alloy containing a γ 'phase strengthening γ matrix structure.
[0041] (2) Treatment of nickel-based alloys containing γ 'phase strengthening γ matrix structure by surface mechanical rolling, defects in its surface layer.
[0042] (3) For the nickel-based alloy of step (2), the surface mechanical rolling treatment is continuously repeated, and the surface mechanical rolling treatment containing the total number of 3 is finally composite containing layer-containing dentist. The nickel-based alloy structure of the structure has a high strength with the γ 'phase composite structure.
[0043] The surface mechanical rolling treatment parameters are: the rod-shaped nickel-based alloy di...
Embodiment 2
[0046] Different from Example 1 in:
[0047] The tissue structure of the nickel-based alloy surface is obtained by the surface mechanical rolling treatment to refine the grain size γ 'phase structure, ie twin, layer error and γ' phase composite structure nickel base alloy. Layer error and twin crystal are high in strength. The chemical element in the nickel-based alloy is the same as in Example 1. The surface mechanical rolling treatment parameters are: the rod-shaped nickel-based alloy diameter is 11 mm, the rotational speed is 600 r / min, and the cutter head is 8 mm WC - Co hard alloy gold ball, which has a feed speed of 40 mm / min, each The hard alloy ball head in the process of treatment is 20 μm in the lower surface of the nickel-based alloy surface, and the processing path is 5. In this embodiment, the thickness of the nickel-based alloy surface of the present embodiment, the thickness of the layer is 130 μm, the γ 'phase composite structure is 30 Nm, and the nickel-based ...
Embodiment 3
[0049] Different from Example 1 in:
[0050] The tissue structure of the nickel-based alloy surface is obtained by laying the surface mechanical rolling treatment to refine the grain size γ 'phase structure, and the structure of the surface layer γ' phase is completely destroyed. A nickel-based alloy, nickel-based alloy, nanocrystalline, nanocrystalline, and layer dislocation, nanocrystalline, and layer dislocations, nanocrystalline, and layer dislocations, and γ 'phase composite structures having a large-scale grain size and gamma phase element enriched region average grain size. The chemical element in the nickel-based alloy is the same as in Example 1. The surface mechanical rolling treatment parameters are: the rod-shaped nickel-based alloy diameter is 11 mm, the rotational speed is 600 r / min, and the cutter head is 8 mm WC-Co hard With the golden ball, the feed rate is 40 mm / min, and the hard alloy ball head in each process is 20 μm in the lower depth of the nickel-based ...
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