SU597513A1 - Method of thermal diffusion alloying of porous sintered articles - Google Patents

Method of thermal diffusion alloying of porous sintered articles

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Publication number
SU597513A1
SU597513A1 SU762394891A SU2394891A SU597513A1 SU 597513 A1 SU597513 A1 SU 597513A1 SU 762394891 A SU762394891 A SU 762394891A SU 2394891 A SU2394891 A SU 2394891A SU 597513 A1 SU597513 A1 SU 597513A1
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SU
USSR - Soviet Union
Prior art keywords
thermal diffusion
porous sintered
products
sintered articles
diffusion alloying
Prior art date
Application number
SU762394891A
Other languages
Russian (ru)
Inventor
Борис Моисеевич Фиштейн
Александр Юрьевич Кем
Степан Степанович Мирошников
Эдуард Николаевич Попов
Original Assignee
Ростовский-на-Дону научно-исследовательский институт технологии машиностроения
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.)
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Application filed by Ростовский-на-Дону научно-исследовательский институт технологии машиностроения filed Critical Ростовский-на-Дону научно-исследовательский институт технологии машиностроения
Priority to SU762394891A priority Critical patent/SU597513A1/en
Application granted granted Critical
Publication of SU597513A1 publication Critical patent/SU597513A1/en

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Description

(54) СПОСОБ ТЕРМОДИФФУЗИОННОГО ЛЕГИРСВАНИЯ ПОРИСТЫХ СПЕЧЕННЫХ ИЗДЕЛИЙ(54) METHOD OF THERMAL DIFFUSION MEASUREMENT OF POROUS SINTERED PRODUCTS

изделий, обогащенного карбидом легирующе го металла.products enriched with carbide alloying metal.

П р и м е р. В пористом спеченном из же ,пезногю порошка изделии заполн ют поверхйостные . поры порошкообразным графитом продувкой через изделие смеси воздуха и Графита.,PRI me R. In the porous sintered from the same, the peznog powder of the product is filled with surface materials. pores with powdered graphite blowing through a product of a mixture of air and Graphite.,

Изделие устанавливают в реторту и засыпают активной порошкообразной смесью, содержащей сплав Сормайт следующего состава, вес. %.The product is installed in the retort and poured active powdered mixture containing the Sormaite alloy of the following composition, weight. %

Хром25-31Chrom25-31

Никель3-5..Nickel3-5 ..

Кремний2,8-4,2Silicon2,8-4,2

Марганец0,1-1,5Manganese 0.1-1.5

Углерод2,5-3,5Carbon2.5-3.5

ЖелезоОстйльное.IronOstyle.

Термодиффузионное легирование ocyrrieствл ют при 1 ООО°С в течение 4ч.Thermal diffusion doping is ocyrched at 1 OOO ° C for 4 hours.

Окалиностойкость изделий (привес) при 9ОООС за 8 ч составл ет 3,75 г/дм Коррозионна  стойкость при периодическом погружении в 1О%-ный раствор азотнойMetal resistance of products (weight gain) at 9OOOS for 8 hours is 3.75 g / dm. Corrosion resistance when periodically immersed in a 1O% solution of nitrogen

КИСЛОТЫ на ЗОО ч составл ет О,О15О ,О25 г/м2 . час.ACIDS for ZOO h is O, O15O, O25 g / m2. hour.

Claims (2)

Формула изобретени Invention Formula Способ термодиффузионного лвги13овани  пористых спеченных изделий, включающий термическую о аботку спеченных изделий в порсшкообразной засыпке лег уюшего сплава, отличающийс  тем, что, с целью повышени  коррозионной стойкости и окалиностойкостн изделий, перед термической обработкой nqpbi спеченного издели  заполн ют порсмиком графита.A method of thermal diffusion of porous sintered products, including thermal treatment of sintered products in a powder-like backfill of a light alloy, characterized in that, in order to increase the corrosion resistance and scaling resistance of the products, heat treatment of the sintered product is filled with graphite com- pact before thermal treatment. Источники информации прин тые во внимание при экспертизе:Sources of information taken into account in the examination: 1,Патент США № 369О934, кл. 117-107. гР, 1972,1, US Patent No. 369О934, cl. 117-107. GR, 1972, 2.Красниченко Л. В. и {ф. Исследование свойств металлокёрамических материало на основе железа легированных хромом и медью, труды ВсесоЪзной научно-исследовательской конференции по металлокерамическим материалам, Ереван, 1973, с. 185.2. Krasnichenko L.V. and {f. Investigation of the properties of metal-ceramic materials based on iron alloyed with chromium and copper, proceedings of the All-Scientific Research Conference on Ceramic Materials, Yerevan, 1973, p. 185.
SU762394891A 1976-08-09 1976-08-09 Method of thermal diffusion alloying of porous sintered articles SU597513A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU762394891A SU597513A1 (en) 1976-08-09 1976-08-09 Method of thermal diffusion alloying of porous sintered articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762394891A SU597513A1 (en) 1976-08-09 1976-08-09 Method of thermal diffusion alloying of porous sintered articles

Publications (1)

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SU597513A1 true SU597513A1 (en) 1978-03-15

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SU (1) SU597513A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT3002B (en) 1992-07-27 1994-08-25 Arunas Minius Process for producing ornamental bodies.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT3002B (en) 1992-07-27 1994-08-25 Arunas Minius Process for producing ornamental bodies.

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