New Technologies Development and Equipment for Local Shape-Forming of the Complicated Parts Made of Heat-Resistant Alloys under Superplastic Deformation Conditions

Farid Z. Utyashev; Radik Mulyukov; Rafael Sukhorukov; Vener Valitov

doi:10.4028/www.scientific.net/MSF.838-839.615

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New Technologies Development and Equipment for Local Shape-Forming of the Complicated Parts Made of Heat-Resistant Alloys under Superplastic Deformation Conditions
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HomeMaterials Science ForumMaterials Science Forum Vols. 838-839New Technologies Development and Equipment for...

New Technologies Development and Equipment for Local Shape-Forming of the Complicated Parts Made of Heat-Resistant Alloys under Superplastic Deformation Conditions

Abstract:

The results of development of new resource-saving technologies of local shape-forming under superplastic deformation conditions (SP) by means of roll-forming and rotary swaging are presented. These technologies are efficient for fabrication of discs, shells, rings up to 800 mm in diameter, as well as hollow shafts made of heat-resistant nickel-, titanium-and iron-based alloys that are used in aircraft engines and ground power installations. In particular, to implement innovative technologies a universal SRZhD-800 roll-forming mill has been developed for discs roll-forming made of heat-resistant alloys under SP. An efficiency of using of semi-finished products with prepared ultrafine grained (UFG) structure for generating precise complex geometry profile parts both homogeneous and regulated structure that changing in the radial direction of the disc and for obtaining high mechanical properties that are optimized taking operational conditions into account is proved. The technological process of rotary swaging under SP conditions has been developed for fabrication parts made of high alloy heat-resistant alloys using demountable mandrels. This method allows to obtain precise complex geometry profile parts such as disc with a thin cone flange which is characterized by homogeneous structure and high mechanical properties.

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Periodical:

Materials Science Forum (Volumes 838-839)

Pages:

615-620

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.838-839.615

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Online since:

January 2016

Authors:

Farid Z. Utyashev*, Radik Mulyukov, Rafael Sukhorukov, Vener Valitov

Keywords:

Equipment, Forging, Heat-Resistant Nickel-Based Alloy, Roll-Forming, Shape-Forming, Superplastic Deformation, Ultrafine Grained Structure

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* - Corresponding Author

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