GB307233A - Compound for hardening metals - Google Patents

Compound for hardening metals

Info

Publication number
GB307233A
GB307233A GB1026428A GB1026428A GB307233A GB 307233 A GB307233 A GB 307233A GB 1026428 A GB1026428 A GB 1026428A GB 1026428 A GB1026428 A GB 1026428A GB 307233 A GB307233 A GB 307233A
Authority
GB
United Kingdom
Prior art keywords
compound
hardening
camphor
naphthalene
hardening metals
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
GB1026428A
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 GB1026428A priority Critical patent/GB307233A/en
Publication of GB307233A publication Critical patent/GB307233A/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
    • C23C8/60—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dental Preparations (AREA)

Abstract

307,233. Morrell, W. April 5, 1928. Case-hardening. - A mixture for hardening metals, particularly iron, copper, and brass, consists of rock salt, yellow prussiate of potash, and either naphthalene or camphor or both in about the following proportions : 56 lb. of rock salt, 56 lb. of prussiate, and 7 lb. of naphthalene or of naphthalene and camphor, or 8 1b. of camphor.
GB1026428A 1928-04-05 1928-04-05 Compound for hardening metals Expired GB307233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1026428A GB307233A (en) 1928-04-05 1928-04-05 Compound for hardening metals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1026428A GB307233A (en) 1928-04-05 1928-04-05 Compound for hardening metals

Publications (1)

Publication Number Publication Date
GB307233A true GB307233A (en) 1929-03-07

Family

ID=9964646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1026428A Expired GB307233A (en) 1928-04-05 1928-04-05 Compound for hardening metals

Country Status (1)

Country Link
GB (1) GB307233A (en)

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