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2 140 071

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C1

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IPC

(21) (22)

Application

96111472/28, 1996-06-06

(24)

Start date

1996-06-06

(22)

Actual filing date

1996-06-06

(45)

Published

1999-10-20

(72)

Inventor

Teleshov V.V.Danilov S.F.Jakimova E.G.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Institut Legkikh Splavov"

PROCESS DETERMINING OPERATIONAL LIFE OF BEARING MEMBER MADE OF HIGH-TEMPERATURE THERMALLY COMPACTED ALUMINUM ALLOY IN STRUCTURE OF AIRCRAFT Russian patent published in 1999 - IPC

Abstract RU 2140071 C1

FIELD: study of physical and mechanical properties of metals, diagnostics of actual condition of structure of aircraft after certain operating time in process of preventive inspection of aircraft. SUBSTANCE: process is based on comparison of specific conductance of bearing member with correlation dependence between specific conductance and mechanical properties of material obtained beforehand. Salient feature of process lies in establishment of specified dependence for stage of reconstruction under various conditions of thermal treatment of initial material. Specific conductance is found by method of eddy currents. Establishment of correlation dependence between rising specific conductance and diminishing strength of material makes it possible to enhance authenticity of determination of actual condition of high-temperature alloy in structure of aircraft loosing its strength by method of nondestructive testing. EFFECT: enhanced authenticity of determination of actual condition of structure of aircraft. 2 dwg

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RU 2 140 071 C1

Authors

Teleshov V.V.

Danilov S.F.

Jakimova E.G.

Dates

1999-10-20—Published

1996-06-06—Filed

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