Work

Investigation of the Effect of Thermoplastic Deformation on the Microstructure of the Хн56мвкю Alloy

Year: 2026
Type: article
Abstract: This review examines the mechanisms through which thermoplastic deformation can influence the microstructure of the ХН56МВКЮ alloy, with particular emphasis on the general behaviour of nickel-based heat-resistant alloys. The discussion focuses on the effects of deformation temperature, strain rate, and accumulated strain on work hardening, dynamic recovery, dynamic recrystallisation, grain-boundary evolution, and the stability of strengthening phases. The Zener–Hollomon parameter is introduced as a framework for describing the combined effects of temperature and strain rate. Published studies indicate that the response to hot working is alloy-specific; therefore, the deformation behaviour of one nickel-based superalloy cannot be quantitatively extrapolated to another without verifying its composition, initial microstructure, and processing history. An issue concerning alloy nomenclature is also identified: the designation ХН56МВКЮ provided for this manuscript could not be confirmed in the standard reference consulted, whereas a closely resembling grade, ХН56ВМКЮ (ЭП109), is listed in historical alloy-grade data. Consequently, composition-specific statements and numerical processing windows are not assigned to ХН56МВКЮ in the absence of a material certificate. The review provides a theoretical foundation for planning material-specific hot-compression tests and metallographic assessments.
Language: English
Open Access status: diamond
OpenAlex ID: W7225641712
FWCI:
Cites:
Cited by:
Related to: