NDLI: Mechanisms of Operating Property Alterations of α + β Titanium Alloy Blades Modified by Intense Pulsed Electron Beams

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Mechanisms of Operating Property Alterations of α + β Titanium Alloy Blades Modified by Intense Pulsed Electron Beams

Content Provider	Semantic Scholar
Author	Shulov, V. A. Paykin, A. G. Kraynikov, Alexander Lvov, A. F. Teryaev, A. D. Éngel’ko, V. I. Tkachenko, Kostiantyn
Copyright Year	2006
Abstract	251 Abstract – The present report reviews the results of investiga tions dedicated by the application of intense pulsed electron beams for surface processing of titanium alloy compressor bla des of aircraft engines. The irradiation of these components was carried out at GESA 1 and GESA 2 accelerators under the following conditions: electron energy – E=115–120 keV; pulse duration – τ=20–40 μs; and the energy density in a pul se (w) as well as the number of pulses (n) were varied from w=16 J/cm, n=1 up to w=90 J/cm, n=10. The results of in vestigating the irradiated blades, which were obtained using EAS, X ray analysis, SEM and TEM methods, were discus sed. It is shown that IPEB treatment at low values of the ener gy density induces rapid melting, ablation and solidification le ading to the formation of non equilibrium microstructures. In this case the irradiation (w=18–20 J/cm) leads to surface smoothing, rapid solidification of the material in the surface la yer with thickness near 20–25 μm. As a result, surface rough ness of the blades can be decreased. In this case the most im portant operating characteristics of compressor blades were improved cardinally by irradiation with intense pulsed electron beams. The mechanisms of operating property alterations of α+β – titanium alloy blades modified by intense pulsed elec tron beams are discussed.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.hcei.tsc.ru/conf/2010/cat/proc_2006/cmm/Paper-066.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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