Rotational friction welding of cast and deformed nickel superalloy VG159 semifinished products

Samorukov M.L., Sviridov A.V., Rassokhina L.I., Bityutskaya O.N.
UDC
621.791.14
DOI
10.18577/2307-6046-2020-0-1-15-23
Article PDF (Russian) (1010.78 KB)
How to cite
Samorukov M.L., Sviridov A.V., Rassokhina L.I., Bityutskaya O.N. Rotational friction welding of cast and deformed nickel superalloy VG159 semifinished products // Proceedings of VIAM. 2020. No. 1. DOI: 10.18577/2307-6046-2020-0-1-15-23. URL: https://test.viam.ru/en/journal/2020/1/2
Keywords
friction welding, rotational friction welding, nickel superalloy, gas turbine engine.
Abstract

A study was made to analyze the rotational friction welding weldability of homogeneous and heterogeneous combinations of semi-finished products of nickel superalloy VZh159. Welded joints of cast semi-finished products in a homogeneous combination and cast semi-finished products with deformed ones were obtained. To select the optimal technological parameters, the values of the static bending angle of the samples obtained without hardening heat treatment were determined. Welded joints obtained at the selected optimal technological parameters and with hardening heat treatment after welding were investigated to determine the mechanical properties and structural features.

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