Research on Strong Spinning Process of GH4169 Alloy

Hai Bao Wu; Ji Zhen Li; De Gui Liu; Jun Sheng Liu

doi:10.4028/www.scientific.net/MSF.993.68

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HomeMaterials Science ForumMaterials Science Forum Vol. 993Research on Strong Spinning Process of GH4169...

Research on Strong Spinning Process of GH4169 Alloy

Abstract:

In this paper, the basic technology of spin forming process was carried out on the GH4169 alloy sheet by heating and strong spinning. The spheroidal spinability test method was used to study the spinability of the alloy. The effects of the strong spinning process parameters on the ultimate thinning rate, diameter expansion and fracture behavior of GH4169 alloy were analyzed. The research results showed that when the temperature was higher than 800 °C, the ultimate thinning rate of GH4169 alloy was above 80%. At the same time, with the increase of feed rate, the ultimate thinning rate of GH4169 alloy decreased. When the feed rate of the rotary wheel was lower than 200 mm•min^-1, the ultimate thinning rate of GH4169 alloy was maintained above 80%. The radius of rotary wheel was strongly influence GH4169 alloy ductility which was confirmed by the picture of fracture. This basic research provides the experimental basis and process guidance for the practical use of GH4169 and other high-temperature alloy sheets to produce high-precision and high-performance spinning parts, which has significant application value.

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Periodical:

Materials Science Forum (Volume 993)

Pages:

68-78

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.993.68

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Online since:

May 2020

Authors:

Hai Bao Wu*, Ji Zhen Li, De Gui Liu, Jun Sheng Liu

Keywords:

Diameter Expansion, GH4169 Alloy, Strong Spinning, Ultimate Thinning Rate

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* - Corresponding Author

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