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2 066 596

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Application

93057350/02, 1993-12-28

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Actual filing date

1993-12-28

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Published

1996-09-20

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Inventor

Korshunov A.B.Shemaev B.V.Shorin A.M.Shesterikov S.A.Pikunov D.V.Shchurkova V.V.Danilov S.L.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Mekhaniki Moskovskogo Gosudarstvennogo Universiteta

METHOD FOR TREATING CUTTING TOOLS Russian patent published in 1996 - IPC

Abstract RU 2066596 C1

FIELD: machining. SUBSTANCE: method for treating cutting tools includes effect of high-energy alpha-particles providing maximum service time of the treated tools. This time tp is determined using one of the following formulas: , фα2=ф, where Фα1 and Φα2 are alpha-particle fluxes corresponding to the first (energy) and the second (corpuscular) tp peaks; Dγ and Фα1 respective dose and flux of gamma radiation determined experimentally; E0α is maximum energy of alpha particles; Xi, Zi Ai are concentrations of "i" element in solid alloy expressed in atomic percent, its order number, and atomic weight; "N" is number of elements in solid alloy; Dγ is expressed in Roentgens; Фα1 and Фγ in cm-2; E0α in MeV. Approximate formula is used to determine alpha-particle flux for alloys on the base of tungsten monocarbide: . Approximate formula is used to determine alpha-particle flux for alloys on the base of titanium carbide, boron nitrade, aluminum oxide: . EFFECT: elongated lifetime of cutting tools. 3 cl, 5 tbl, 3 dwg

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RU 2 066 596 C1

Authors

Korshunov A.B.

Shemaev B.V.

Shorin A.M.

Shesterikov S.A.

Pikunov D.V.

Shchurkova V.V.

Danilov S.L.

Dates

1996-09-20—Published

1993-12-28—Filed

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