Hot-gas Processing of Ni/Al Laminated Thin-walled Tubular Component
The NiAl-based alloy has excellent properties and is supposed as the next generation of potentially high-temperature structural materials.However,the processing of the hard-to-deform NiAl-based alloy is the main problem hindering its application.Based on the forming-reactive preparation processing of laminated material,the Ni/Al laminated cylindrical billet is prepared from Ni and Al foils in this paper.Then,the flaring-sealing of Ni/Al laminated cylindrical billet are carried out,and the flaring laminated cylindrical billet with good quality and excellent microstructure is obtained.Finally,the Ni/Al laminated round-square variable section thin-walled component is prepared using hot-gas processing method,which provides a reference for the fabrication of Ni/Al laminated thin-walled complex special-shaped components.
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