Research on Ultimate Thinning Rate of Superalloy Spinning

Hai Bao Wu; Fu Long Chen; De Gui Liu; Ji Zhen Li; Jian Fei Wang

doi:10.4028/www.scientific.net/MSF.1035.152

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HomeMaterials Science ForumMaterials Science Forum Vol. 1035Research on Ultimate Thinning Rate of Superalloy...

Research on Ultimate Thinning Rate of Superalloy Spinning

Abstract:

Spinning forming is an effective method for processing thin-walled rotating body parts. The influence of process parameters on the spinning forming limit of materials was studied for the four high-temperature alloys of GH3044, GH3625, GH3536 and GH4169 used in aero-engines. The results can be used as aero-engine high-temperature alloy parts spinning process and provides experimental basis and process guidance. The research results showed that the forming temperature had a significant effect on the spinning forming performance of superalloy materials. When the temperature increased to 800°C and above, the ultimate thinning rate raised 70%. The ultimate thinning rate of GH4169 was higher than the other three materials and GH3044 and GH3536 was at the middle level, GH3625 was relatively low. At the same time, the feed ratio and the corner radius of the rotary wheel had a certain influence on the ultimate thinning rate of different superalloys. The spinning process needs to select reasonable process parameters according to the actual situation when the spinning is applied to manufacture parts.

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Periodical:

Materials Science Forum (Volume 1035)

Pages:

152-160

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1035.152

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Online since:

June 2021

Authors:

Hai Bao Wu*, Fu Long Chen, De Gui Liu, Ji Zhen Li, Jian Fei Wang

Keywords:

Power Spinning, Spinability, Superalloy, Ultimate Thinning Rate

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* - Corresponding Author

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