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
  • 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
  • C23C8/60—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 solids, e.g. powders, pastes
  • C23C8/72—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 solids, e.g. powders, pastes more than one element being applied in one step
  • C23C8/74—Carbo-nitriding
  • C23C8/76—Carbo-nitriding of ferrous surfaces
• • 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
  • C23C8/28—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 more than one element being applied in one step
  • C23C8/30—Carbo-nitriding
  • C23C8/32—Carbo-nitriding of ferrous surfaces

Definitions

• the proposed method will find application for the manufacture of tools and accessories from white and other alloys of 10 highly alloyed steels and alloys.
• Means of low-temperature cement are used to increase the service life and service life of products from steels and alloys having steel
• Barium which is a natural mixture of diethylamine with nitrogen-containing additives, is decomposed, resulting in 25 active gases, which saturate non-corrosive substances
• a barrier layer of 100–130 ⁇ m is provided, which ensures a higher yield of 940–1180 kg / mm 2 .
• the bifurcate has a normal 30-zone wide arched and nitride 5. -th ⁇ ⁇ -phase with a depth of 10-30 ⁇ m. This leads to a decrease in the tool 6 ⁇ by 5-®, and - by 1, 5-2, 5 times * “Tools and Tools” dub, # 10, 1979, October, October, “Improvement”
• the design of a working tool is 35 ta from high-speed cutting steels and low-temperature gas-free cementation ", with ⁇ 16-18 /. -2 -
• refrigerant - - and - - phase are associated with the presence of acid and non-cementing, the use of the product and the loading of the appliance.
• the process is characterized by an increased rate of disruption of the diffuse layer and its overall depth, because it is not in use - it does not require
• the method of low cementitious cementation of steel products is known / z ⁇ , ⁇ , 840195 / by processing in
• the tool does not require any complicated equipment, the plants and 25 are reliable in service.
• poliamide should be used from the calculation of 0.3-0.7 for I kg of processed products.
• the best embodiment of the invention 30 For the implementation of the system in the closed volume of the product and the consumable of the industrial agent - the unit is in the territory of the city.
• the plant is heated and carried out at a temperature of 480–660 ° ⁇ . They carry out industrial heating and are indicated by the 35th temperature for 2-4 hours with the following processing of processed products.
• the closure of the enclosed space can be secured by any device. ⁇ de- - 4 - the process in an enclosed space allows to exclude the contact of products with an external medium, in particular with the acid consumption, and the use of the product
• the air inlet which is in the hermetic process, is associated with the products of the decay of poliamides, excluding the risk of waste of food, It is possible to select a poliamide from the conditions of optimal handling of the process, in order to achieve a high quality product, it is beneficial
• the lower part is shared
• the depth of diffusion is 70 ⁇ m for cutters, 80 ⁇ m for free, and there is a short cut for only 50 mm. - and ⁇ - az are not found.
• 10 service life of the wheels is the depth of the developed grooves, equal to 0.2 mm, and when it is slipped, it will slip.
• the products processed by the service, ⁇ , 840 ⁇ 95, have a service 24 hours, and the services processed by this service, have a service 48 hours.
• the oven switches off and chills products.
• the product is manufactured on a simple basis; a simple analysis is made.
• ⁇ The diffusion depth is 50 ⁇ m for drill bits;
• the punches are die-cutting and flexible, manufactured with a special tool, ⁇ , 840195, they use to manufacture 2,600 parts - 7 - "ug ⁇ l ⁇ " and ⁇ b ⁇ ab ⁇ annye ⁇ resort ⁇ mu ⁇ ime ⁇ u ⁇ 250 de ⁇ aley S ⁇ y ⁇ s ⁇ sve ⁇ l diame ⁇ m Bytes 10 mm ⁇ i sve ⁇ lenii ne ⁇ zha- veyuschey s ⁇ ali ⁇ lschin ⁇ y 4 mm ⁇ b ⁇ ab ⁇ annye ⁇ us ⁇ mu ⁇ ime ⁇ u, 3 ⁇ aza above, ⁇ s ⁇ avneniyu s ⁇ s ⁇ y ⁇ s ⁇ yu sve ⁇ l 5 ⁇ b ⁇ ab ⁇ anny ⁇ ⁇ ⁇ , ⁇ , 840195. Note ⁇ 4.
• the load from the quick-cut steel weighs 0.5 kg, the load is higher than 1.5 cm 4.10 " ⁇ ⁇ G.
• the oven turns off and freezes the products.
• the depth of the diffuse layer is for 40 microns for pitches of 50 microns, and the hardness is for 1050-1150 kilograms of magnitude and the named parts are 850-900 kg / mm 2 .
• the punches are die-cut and flexible, processed by means of the method, 84, 840195; 30 Example 5.
• the depth of the diffuse layer is for tools from high-speed cutting steels of 40 ⁇ m, for parts - 9 - and pans of 50 microns, and it is safe to leave. for the tool 1000-1100 ⁇ G / c.G and the named parts 850 ⁇ 90 ⁇ / tg.
• the zones of the € - and ⁇ -phase are 10-15 microns. Intended use The proposed process can be found in the manufacture of tools and equipment from high-speed steel and other alloyed steels.

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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)
• Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
• Heat Treatment Of Steel (AREA)

Applications Claiming Priority (3)

Publications (2)

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• 1987
  • 1987-06-16 JP JP62505403A patent/JPH01503790A/ja active Pending
  • 1987-06-16 WO PCT/SU1987/000067 patent/WO1988010320A1/ru active IP Right Grant
  • 1987-06-16 EP EP87906035A patent/EP0323511A1/de not_active Withdrawn
  • 1987-06-16 AU AU79197/87A patent/AU598303B2/en not_active Ceased
  • 1987-09-18 CN CN87106444A patent/CN1032036A/zh active Pending
• 1989
  • 1989-02-13 DK DK066289A patent/DK66289A/da not_active Application Discontinuation
  • 1989-02-15 FI FI890724A patent/FI84371C/fi not_active IP Right Cessation

Non-Patent Citations (2)

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