GB674960A - Method of forming on iron or an iron alloy a surface easily wettable by mercury - Google Patents

Method of forming on iron or an iron alloy a surface easily wettable by mercury

Info

Publication number
GB674960A
GB674960A GB14693/49A GB1469349A GB674960A GB 674960 A GB674960 A GB 674960A GB 14693/49 A GB14693/49 A GB 14693/49A GB 1469349 A GB1469349 A GB 1469349A GB 674960 A GB674960 A GB 674960A
Authority
GB
United Kingdom
Prior art keywords
minutes
per cent
mercury
iron
heating
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
GB14693/49A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB674960A publication Critical patent/GB674960A/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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

An oxide surface is formed on an iron or iron alloy surface, the oxide reduced and mercury applied thereto. The oxidation-reduction process may be carried out on a permalloy surface (Ni 45 per cent, Fe 55 per cent; or Ni 52 per cent, Fe 48 per cent) by heating at 700 DEG C. for 10 minutes in air, followed by heating at 700 DEG C. for 30 minutes in wet hydrogen and mercury may then be applied by heating in a chamber containing mercury and hydrogen at 400 DEG C. for 60 minutes. Prior to the oxidation-reduction process, the permalloy may be heated in wet hydrogen at 1000 DEG C. for 90 minutes, cooled for 10 minutes to 2 hours in the same atmosphere, etched for 7 minutes in a mixture of equal parts of 38 per cent hydrochloric acid and a saturated solution of copper sulphate, washed in water and alcohol and dried; etching may be replaced by sandblasting.
GB14693/49A 1948-06-10 1949-06-01 Method of forming on iron or an iron alloy a surface easily wettable by mercury Expired GB674960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US674960XA 1948-06-10 1948-06-10

Publications (1)

Publication Number Publication Date
GB674960A true GB674960A (en) 1952-07-02

Family

ID=22076364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14693/49A Expired GB674960A (en) 1948-06-10 1949-06-01 Method of forming on iron or an iron alloy a surface easily wettable by mercury

Country Status (1)

Country Link
GB (1) GB674960A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134547A (en) * 1982-11-18 1984-08-15 Bekaert Sa Nv Catalysts in the form of webs or felts
GB2163182A (en) * 1984-08-15 1986-02-19 Nat Res Dev Flow coating of metals
GB2274286A (en) * 1993-01-13 1994-07-20 Singapore Asahi Chemical & Solder Ind Pte Ltd Cleaning circuit boards with hydrogen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134547A (en) * 1982-11-18 1984-08-15 Bekaert Sa Nv Catalysts in the form of webs or felts
GB2163182A (en) * 1984-08-15 1986-02-19 Nat Res Dev Flow coating of metals
GB2274286A (en) * 1993-01-13 1994-07-20 Singapore Asahi Chemical & Solder Ind Pte Ltd Cleaning circuit boards with hydrogen
GB2274286B (en) * 1993-01-13 1996-11-06 Singapore Asahi Chemical & Solder Ind Pte Ltd Method of and apparatus for preparing an electric circuit board for a flow or wave soldering process

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