SU676048A1 - Composition for diffusion titanizing of steel and cast iron products - Google Patents

Composition for diffusion titanizing of steel and cast iron products Download PDF

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Publication number
SU676048A1
SU676048A1 SU772509441A SU2509441A SU676048A1 SU 676048 A1 SU676048 A1 SU 676048A1 SU 772509441 A SU772509441 A SU 772509441A SU 2509441 A SU2509441 A SU 2509441A SU 676048 A1 SU676048 A1 SU 676048A1
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SU
USSR - Soviet Union
Prior art keywords
steel
cast iron
diffusion
composition
ammonium chloride
Prior art date
Application number
SU772509441A
Other languages
Russian (ru)
Inventor
И.И Заец
Н.М. Давыденко
О.К. Якшина
Н.Ф. Першина
В.Д. Демьяненко
Ю.М. Павлов
Original Assignee
Предприятие П/Я А-3732
Предприятие П/Я А-7756
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 Предприятие П/Я А-3732, Предприятие П/Я А-7756 filed Critical Предприятие П/Я А-3732
Priority to SU772509441A priority Critical patent/SU676048A1/en
Application granted granted Critical
Publication of SU676048A1 publication Critical patent/SU676048A1/en

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Classifications

    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/34—Embedding in a powder mixture, i.e. pack cementation
    • 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
    • C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces
    • C23C12/02—Diffusion in one step

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Description

зак)рьта1ощиес   щ:и,ки из «ержавеющеи .стали. В шихту -помещают издели  из стали и -чугуна. ЯщиК .нат,ревают до 1000- 1200° С и выдерживают пр,и этой темлературе в течение 8 ч. Охлаждение изделий осуществл ют на воздухе.Zak) ryta1oshies u::, ki from "stainless steel. In the mixture - placed products made of steel and iron. The box is heated up to 1000-1200 ° C and kept up to this temperature for 8 hours. The products are cooled in air.

Издели , защиЩвИНые (Цредложенной шихтой, были тод|ввр1гнуты испытанию аа коррозионную стойкость. В качестве ворроэионной среды была использоваиа фильт-. рова  жидкость содового производства состава, г/л: NH Cl-174; NaCl-7il; NH4HCO3-59; (ЫН4)2СОз-39; Na2SO4- 3,0.Products protected (by the proposed charge, were tested in a test of corrosion resistance. Filtration of soda water of composition, g / l: NH Cl-174; NaCl-7il; NH4HCO3-59; (НН4 ) 2CO3-39; Na2SO4- 3.0.

Свойства покрытийCoating properties

Температура фильтровой жидкости 60° С.The temperature of the filter fluid 60 ° C.

Предложенный состав, 1В€С. %:The proposed composition, 1B € C. %:

ыs

75 4 1 75 4 1

80 5 2 Остальное Остальное80 5 2 Else Else

Сравнительные характеристики свойств покрытий, полученных ири обработке известным составом и предложенйым, представлены в таблице.Comparative characteristics of the properties of the coatings obtained by processing the known composition and the proposed, are presented in the table.

Характеристики свойств покрытий,Characteristics of coating properties

Концентраци  титана на поверхностиThe concentration of titanium on the surface

сло , %layer%

Микротвердость (Н) кг/мм дл  стали дл  чугуна Величина коррозии г/.м в ч (в фильтровом растворе содового нроизводетва )Microhardness (N) kg / mm for steel for cast iron The amount of corrosion g /. M in h (in the filtering solution of soda ash production)

Claims (1)

дл  стали дл  чугуна Снлошность сло  (определена реактивом Уоккера Кз/Fe (CN)6/+NaCl Толщина диффузионцого сло , мм дл  стали дл  чугуца Как .ВИДНО из таблицы, предложенна  щихта по аналогичным показател м превосходит навестный состав. КоррозИонН:а  стойкость стали и чугуна в средах, содержащих хлориды, 1В 10-20 раз выше по оравиеиию с П1рототипо1М. Это дает .Б0змож«:ость успещ-ного применени  углеродистой стали Н чугуда с защитным тармотита«ирова,нным покрытием в химической промыщленности, в особеиности в производстве кальцинированной соды, где различные детали и узлы аппаратов эксплуатируют в сложных коррози«нных услови х. Формула изобретени  Состав дл  диффузионного титанирова1НИЯ изделий из стали и чугуна, включающий Т1итан, окись алюмини  и хлористый аммоний, от л и ч а ю щи Й1С   тем, что, с целью повыщеНИЯ корроз иониой стойкости в средах, содержащих хлориды, он дополнительно сО|Дер:Жнт графит при следующем соотнощении ,компо«ентов, вес. %: 75-80 Хлористый аммоний Графит Окись алю.мини  Оста. Источник информации, прин тый ,во внимание ири экспертизе: 1. Минкевич А. М. Химико-термическа  обработка металлов и сплавов, М., «Мащийостроение , 1965, с. 294.for steel for cast iron Layer integrity (determined by Walker Kz / Fe (CN) 6 / + NaCl reagent thickness of the diffusion layer, mm for steel for cast iron As seen from the table, the proposed content exceeds similarly well-known composition. Corrosion Ion: resistance to steel and pig iron in media containing chlorides, 1B is 10–20 times higher in terms of level with P1rototopo1M. This gives .B0zmoz ": spontaneous use of carbon steel N of pig iron with protective tarotite, coated with chemical industry, especially in production soda ash, where Various parts and components of the apparatus are used in complex corrosion conditions. Formula of the Invention Composition for diffusion titaniuNiIaI products from steel and cast iron, including titanium, aluminum oxide and ammonium chloride, from the fact that, in order to increase corrosion resistance in media containing chlorides, it additionally has CO | Der: Graphite in the following ratio, components, wt%: 75-80 Ammonium chloride Graphite Oxide alumini Ost. The source of information taken into account by the expertise: 1. Minkevich A. M. Chemical-thermal processing of metals and alloys, M., “Mashiostroenie, 1965, p. 294.
SU772509441A 1977-07-20 1977-07-20 Composition for diffusion titanizing of steel and cast iron products SU676048A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU772509441A SU676048A1 (en) 1977-07-20 1977-07-20 Composition for diffusion titanizing of steel and cast iron products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU772509441A SU676048A1 (en) 1977-07-20 1977-07-20 Composition for diffusion titanizing of steel and cast iron products

Publications (1)

Publication Number Publication Date
SU676048A1 true SU676048A1 (en) 1982-03-07

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Family Applications (1)

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SU772509441A SU676048A1 (en) 1977-07-20 1977-07-20 Composition for diffusion titanizing of steel and cast iron products

Country Status (1)

Country Link
SU (1) SU676048A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2493289C1 (en) * 2012-04-24 2013-09-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курганский государственный университет" Method of diffusion titanising of cast iron products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2493289C1 (en) * 2012-04-24 2013-09-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курганский государственный университет" Method of diffusion titanising of cast iron products

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