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RU2002113996A - The method of chemical-thermal processing of steel products and alloys - Google Patents

The method of chemical-thermal processing of steel products and alloys

Info

Publication number
RU2002113996A
RU2002113996A RU2002113996/02A RU2002113996A RU2002113996A RU 2002113996 A RU2002113996 A RU 2002113996A RU 2002113996/02 A RU2002113996/02 A RU 2002113996/02A RU 2002113996 A RU2002113996 A RU 2002113996A RU 2002113996 A RU2002113996 A RU 2002113996A
Authority
RU
Russia
Prior art keywords
temperature
products
chemical
stage
glow discharge
Prior art date
Application number
RU2002113996/02A
Other languages
Russian (ru)
Other versions
RU2245939C2 (en
Inventor
ков Михаил Никифорович Бос (BY)
Михаил Никифорович Босяков
Дмитрий Владимирович Жук (BY)
Дмитрий Владимирович Жук
Петр Александрович Матусевич (BY)
Петр Александрович Матусевич
Original Assignee
Белорусско-американское предпри тие общество с ограниченной ответственностью "Авиценна Интернешнл" (BY)
Белорусско-американское предприятие общество с ограниченной ответственностью "Авиценна Интернешнл"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Белорусско-американское предпри тие общество с ограниченной ответственностью "Авиценна Интернешнл" (BY), Белорусско-американское предприятие общество с ограниченной ответственностью "Авиценна Интернешнл" filed Critical Белорусско-американское предпри тие общество с ограниченной ответственностью "Авиценна Интернешнл" (BY)
Priority to RU2002113996/02A priority Critical patent/RU2245939C2/en
Priority to DE2003105097 priority patent/DE10305097A1/en
Publication of RU2002113996A publication Critical patent/RU2002113996A/en
Application granted granted Critical
Publication of RU2245939C2 publication Critical patent/RU2245939C2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/38—Heating by cathodic discharges
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • C23C8/38—Treatment of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Claims (1)

Способ химико-термической обработки изделий из стали и сплавов в плазме тлеющего разряда, включающий очистку изделий в режиме катодного распыления, нагрев в тлеющем разряде до температуры насыщения и выдержку при этой температуре в рабочей среде, отличающийся тем, что на стадии очистки изделий в режиме катодного распыления длительность импульса отрицательного напряжения, прикладываемого к обрабатываемым изделиям, дискретно и последовательно увеличивают в две стадии при неизменной частоте следования импульсов, причем на первой стадии длительность импульса составляет 18-20 мкс до достижения температуры обрабатываемых изделий 45-50°С, на второй стадии - 38-40 мкс до достижения температуры обрабатываемых изделий 140-150°С, а в процессе нагрева в тлеющем разряде до температуры насыщения длительность импульса составляет 75-80 мкс, которую поддерживают на этом уровне в течение всего процесса насыщения.A method of chemical-thermal treatment of steel and alloy products in a glow discharge plasma, including cleaning the products in the cathode spraying mode, heating in the glow discharge to a saturation temperature and holding at this temperature in the working medium, characterized in that at the stage of cleaning the products in the cathode mode sputtering, the pulse duration of the negative voltage applied to the workpiece is discretely and sequentially increased in two stages at a constant pulse repetition rate, and in the first stage the pulse duration is 18-20 μs until the temperature of the processed products reaches 45-50 ° C, in the second stage 38-40 μs until the temperature of the processed products is 140-150 ° C, and during heating in a glow discharge to saturation temperature, the pulse duration is 75-80 μs, which is maintained at this level throughout the saturation process.
RU2002113996/02A 2002-05-29 2002-05-29 Method for chemical and heat treatment of articles of steel and alloys RU2245939C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2002113996/02A RU2245939C2 (en) 2002-05-29 2002-05-29 Method for chemical and heat treatment of articles of steel and alloys
DE2003105097 DE10305097A1 (en) 2002-05-29 2003-02-07 Process for the chemical-thermal treatment of steel products comprises cleaning the products using cathode sputtering, heating to saturation temperature in a glow discharge plasma, and holding at the saturation temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002113996/02A RU2245939C2 (en) 2002-05-29 2002-05-29 Method for chemical and heat treatment of articles of steel and alloys

Publications (2)

Publication Number Publication Date
RU2002113996A true RU2002113996A (en) 2004-02-10
RU2245939C2 RU2245939C2 (en) 2005-02-10

Family

ID=29546571

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002113996/02A RU2245939C2 (en) 2002-05-29 2002-05-29 Method for chemical and heat treatment of articles of steel and alloys

Country Status (2)

Country Link
DE (1) DE10305097A1 (en)
RU (1) RU2245939C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2418096C2 (en) * 2009-06-29 2011-05-10 Государственное образовательное учреждение высшего профессионального образования "Уфимский государственный авиационный технический университет" Procedure for creation of macro non-uniform structure of material at nitriding
CN105154835B (en) * 2015-09-15 2017-11-14 江苏省产品质量监督检验研究院 A kind of γ TiAl alloys surface abrasion resistance damage protective coating and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128256A (en) * 1987-01-12 1992-07-07 Stratagene DNA cloning vectors with in vivo excisable plasmids
BG43787A1 (en) * 1987-03-02 1988-08-15 Dimit R T Buchkov Method for chemico- thermic treatment in glowing discharge of gear transmissions
CA2025474A1 (en) * 1989-09-27 1991-03-28 Donald I. Stimpson Hydrophilic laminated porous membranes and methods of preparing same
RU2022052C1 (en) * 1991-04-01 1994-10-30 Московский государственный технологический университет "СТАНКИН" Method for strengthening dies made of semi-heat-resisting steels
US5176760A (en) * 1991-11-22 1993-01-05 Albert Young Steel article and method
RU2095462C1 (en) * 1994-10-17 1997-11-10 Уфимский государственный авиационный технический университет Method for nitriding products in glow discharge
RU2101383C1 (en) * 1995-02-21 1998-01-10 Уфимский государственный авиационный технический университет Cathode spraying method

Also Published As

Publication number Publication date
DE10305097A1 (en) 2003-12-11
RU2245939C2 (en) 2005-02-10

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20050530