The influence of various modes of hot isostatic pressed and heat treatment on structure and properties of castings from the VT40L alloy

Makushina M.A., Kochetkov A.S., Vinogradov I.D.
UDC
621.763
DOI
10.18577/2307-6046-2023-0-10-24-34
Article PDF (Russian) (1.43 MB)
How to cite
Makushina M.A., Kochetkov A.S., Vinogradov I.D. The influence of various modes of hot isostatic pressed and heat treatment on structure and properties of castings from the VT40L alloy // Proceedings of VIAM. 2023. No. 10. DOI: 10.18577/2307-6046-2023-0-10-24-34. URL: https://test.viam.ru/en/journal/2023/10/3
Keywords
titanium, cast alloys, cast samples, high cycle fatigue, tensile strength, hot isostatic pressed, heat treatment
Abstract

This article presents the results of studies of the influence of various modes of hot isostatic pressing (HIP) and heat treatment on the mechanical properties and structure of cast samples from the VT40L alloy. The temperature of the polymorphic transformation in the alloy was determined experimentally using the test quenching method. Tensile tests were carried out to determine the short-term strength and yield strength, the endurance limit on the basis of N = 2·107 cycle, impact strength and hardness were determined. Based on the test results, a casting processing mode was selected that provides a set of properties necessary for parts of aircraft products.

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