GB171750A - Improvements in apparatus for the cementation of iron and iron alloys and process thereof - Google Patents

Improvements in apparatus for the cementation of iron and iron alloys and process thereof

Info

Publication number
GB171750A
GB171750A GB2374520A GB2374520A GB171750A GB 171750 A GB171750 A GB 171750A GB 2374520 A GB2374520 A GB 2374520A GB 2374520 A GB2374520 A GB 2374520A GB 171750 A GB171750 A GB 171750A
Authority
GB
United Kingdom
Prior art keywords
receptacle
work
per cent
vapour
turpentine
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2374520A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2374520A priority Critical patent/GB171750A/en
Publication of GB171750A publication Critical patent/GB171750A/en
Expired legal-status Critical Current

Links

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
    • C23C8/06—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
    • C23C8/08—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 only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Spray-Type Burners (AREA)

Abstract

171,750. Fisher, W. H., and Chambers, P. Aug. 13, 1920. Cementation.-Ferrous materials are carburized in a heated receptacle containing a hydrocarbon vapour generated by feeding into the work-holding receptacle a liquid hydrocarbon comprising pine tar and a solvent such as turpentine and, if desired, linseed oil, the most suitable proportions by volume being 40 per cent of pine tar, 10 per cent turpentine and 40 per cent linseed oil. In the apparatus shown, the work is placed on a perforated stand 26 in the receptacle D, which is heated by burners 10 in the surrounding heating space 15. The liquid hydrocarbon is contained in a sight-feed reservoir F and is supplied through a pipe 48 to a cup 41 in the bottom of the workholding receptacle D wherein it is vaporized, the vapour passing through a hole 29 in the inverted bucket-shaped member 28, past a baffle 30 supported thereon, and into the space D through the perforations in the stand 26. The residual vapour, from which carbon has been absorbed by the work, is permitted to escape through a hole 19 in the removable cover 17 of the receptacle D where it is ignited, the colour of the flame giving an indication of the rate of penetration by showing the extent to which carbon has been removed from the issuing gas.
GB2374520A 1920-08-13 1920-08-13 Improvements in apparatus for the cementation of iron and iron alloys and process thereof Expired GB171750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2374520A GB171750A (en) 1920-08-13 1920-08-13 Improvements in apparatus for the cementation of iron and iron alloys and process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2374520A GB171750A (en) 1920-08-13 1920-08-13 Improvements in apparatus for the cementation of iron and iron alloys and process thereof

Publications (1)

Publication Number Publication Date
GB171750A true GB171750A (en) 1921-11-14

Family

ID=10200609

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2374520A Expired GB171750A (en) 1920-08-13 1920-08-13 Improvements in apparatus for the cementation of iron and iron alloys and process thereof

Country Status (1)

Country Link
GB (1) GB171750A (en)

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