Research on Heat Treatment Process of 2195 Al-Li Alloy Large Tank Bottom
High performance forming of large scale 2195 aluminum-lithium alloy integral tank bottom is ungently required for the light weight of the aerospace equipment.The process design of solution-forming-aging and the optimization of microstructure and properties are the key problems in the tank bottom manufacturing.In this work,the mechanical properties and microstructure of 2195 aluminum-lithium alloy under different heat treatment processes were studied by means of the solid solution-deep drawing-artificial aging process,the effects of non-uniform deformation and heat treatment parameters on the properties and microstructure of the large-scale tank bottom component of 2195 aluminum-lithium alloy were revealed.
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