Author:
Petrushin N.V., ,Visik E.M.,Elyutin E.S., ,
Abstract
The tendencies of advancement of nickel-based superalloys for casting blades of aircraft engines are considered. The durability of polycrystalline heat-resistant Nickel alloys of the VZhL12U type with variable content of alloying elements W, Mo, Cr, Co, Ti, Nb, Hf, and C at temperature 975 °C and stress 200 MPa was studied using the method of mathematical planning of the experiment. Based on the results of the research, concentration regression models of durability were constructed and the effect of Hf on the temperatures γ'-solvus, melting γ+γ' eutectic, solidus and liquidus of VZhL12U-type alloys was established.
Publisher
FSUE All-Russian Scientific Research Institute of Aviation Materials
Subject
General Economics, Econometrics and Finance
Cited by
3 articles.
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