METHOD OF MULTICOMPONENT DIFFUSION SATURATION OF MACHINE PARTS SURFACES
thermomechanical treatment of machine parts in circulating gas medium applicable in power engineering industry, particularly, in aircraft and space engineering and other industries. SUBSTANCE: method includes heating and simultaneous saturation of machine part with several diffusing elements in circ...
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| creator | ELISEEV JU.S DUSHKIN A.M SIMONOV V.N ARZAMASOV B.N SHKRETOV JU.P |
| description | thermomechanical treatment of machine parts in circulating gas medium applicable in power engineering industry, particularly, in aircraft and space engineering and other industries. SUBSTANCE: method includes heating and simultaneous saturation of machine part with several diffusing elements in circulating halide medium. Diffusing elements are formed in contact of initial gas medium with sources of diffusing elements. Sources of diffusing elements are used in form of alloy of aluminum FeAl or NiAl, and Cr and/or Si. Direction of circulation of halide medium is periodically changed for opposite one. Thickness of diffusion layer at constant temperature and time of diffusion saturation is regulated by varying velocity of flow of circulating halide medium. Technical result of the invention consists in that alongside with saturation with aluminum, the treated surface is simultaneously saturated with chromium and/or silicon. Offered method allows application of uniform coating to entire area of external and internal surfaces of parts and increase of diffusion saturation efficiency. EFFECT: higher quality of protective coating. 3 cl, 2 dwg |
| format | Patent |
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SUBSTANCE: method includes heating and simultaneous saturation of machine part with several diffusing elements in circulating halide medium. Diffusing elements are formed in contact of initial gas medium with sources of diffusing elements. Sources of diffusing elements are used in form of alloy of aluminum FeAl or NiAl, and Cr and/or Si. Direction of circulation of halide medium is periodically changed for opposite one. Thickness of diffusion layer at constant temperature and time of diffusion saturation is regulated by varying velocity of flow of circulating halide medium. Technical result of the invention consists in that alongside with saturation with aluminum, the treated surface is simultaneously saturated with chromium and/or silicon. Offered method allows application of uniform coating to entire area of external and internal surfaces of parts and increase of diffusion saturation efficiency. EFFECT: higher quality of protective coating. 3 cl, 2 dwg</description><edition>7</edition><language>eng</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><creationdate>2002</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020810&DB=EPODOC&CC=RU&NR=2186873C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020810&DB=EPODOC&CC=RU&NR=2186873C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ELISEEV JU.S</creatorcontrib><creatorcontrib>DUSHKIN A.M</creatorcontrib><creatorcontrib>SIMONOV V.N</creatorcontrib><creatorcontrib>ARZAMASOV B.N</creatorcontrib><creatorcontrib>SHKRETOV JU.P</creatorcontrib><title>METHOD OF MULTICOMPONENT DIFFUSION SATURATION OF MACHINE PARTS SURFACES</title><description>thermomechanical treatment of machine parts in circulating gas medium applicable in power engineering industry, particularly, in aircraft and space engineering and other industries. 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SUBSTANCE: method includes heating and simultaneous saturation of machine part with several diffusing elements in circulating halide medium. Diffusing elements are formed in contact of initial gas medium with sources of diffusing elements. Sources of diffusing elements are used in form of alloy of aluminum FeAl or NiAl, and Cr and/or Si. Direction of circulation of halide medium is periodically changed for opposite one. Thickness of diffusion layer at constant temperature and time of diffusion saturation is regulated by varying velocity of flow of circulating halide medium. Technical result of the invention consists in that alongside with saturation with aluminum, the treated surface is simultaneously saturated with chromium and/or silicon. Offered method allows application of uniform coating to entire area of external and internal surfaces of parts and increase of diffusion saturation efficiency. EFFECT: higher quality of protective coating. 3 cl, 2 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
| title | METHOD OF MULTICOMPONENT DIFFUSION SATURATION OF MACHINE PARTS SURFACES |
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