GB792589A - Method of manufacturing seamless metal tubing - Google Patents

Method of manufacturing seamless metal tubing

Info

Publication number
GB792589A
GB792589A GB1559756A GB1559756A GB792589A GB 792589 A GB792589 A GB 792589A GB 1559756 A GB1559756 A GB 1559756A GB 1559756 A GB1559756 A GB 1559756A GB 792589 A GB792589 A GB 792589A
Authority
GB
United Kingdom
Prior art keywords
molybdenum
supports
tube
support
stainless steel
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
GB1559756A
Inventor
Walter Lee Robb
Frederick John Shipko
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB1559756A priority Critical patent/GB792589A/en
Publication of GB792589A publication Critical patent/GB792589A/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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/01—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes on temporary substrates, e.g. substrates subsequently removed by etching

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Vapour Deposition (AREA)

Abstract

792,589. Coating with metals. GENERAL ELECTRIC CO. May 18, 1956, No. 15597/56. Class 82(2) [Also in Group XXII] A method of making a seamless tube of molybdenum, chromium, silicon, boron, tungsten, or rhenium comprises vapour depositing the metal from vapours of its halides on an elongated support and then selectively dissolving the support. As shown, applied to the formation of a molybdenum pipe, an evacuated chamber 1 heated by a resistance furnace 9 has electrodes 4 and 5 to which are attached tubular stainless steel supports 6, 7, electrically connected at their free ends. At the bottom of the chamber 1 is a mass 16 of fragments of molybdenum through which is passed chlorine gas from a supply of solid chlorine 15 in a tube 12 immersed in liquid nitrogen. The mass of molybdenum may be heated to 450‹C. and the supports to 1100‹C. Molybdenum is deposited on the stainless steel supports and when the desired thickness is obtained the supports are removed and the stainless steel dissolved in boiling sulphuric acid, leaving a tube of molybdenum. The supports may be of iron, nickel or tungsten and the chlorine may be supplied from a wellthrottled cylinder of the gas. Since the current must be increased to maintain a constant temperature of the support, the thickness of the deposited tube may be determined by measuring the voltage drop over the support, an example of the calculation being given.
GB1559756A 1956-05-18 1956-05-18 Method of manufacturing seamless metal tubing Expired GB792589A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1559756A GB792589A (en) 1956-05-18 1956-05-18 Method of manufacturing seamless metal tubing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1559756A GB792589A (en) 1956-05-18 1956-05-18 Method of manufacturing seamless metal tubing

Publications (1)

Publication Number Publication Date
GB792589A true GB792589A (en) 1958-04-02

Family

ID=10061987

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1559756A Expired GB792589A (en) 1956-05-18 1956-05-18 Method of manufacturing seamless metal tubing

Country Status (1)

Country Link
GB (1) GB792589A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121925A (en) * 1960-08-16 1964-02-25 Jr Harry A Toulmin Method and apparatus for making honeycomb structures
US3127641A (en) * 1961-10-05 1964-04-07 Gen Electric Tungsten tube manufacture
EP1018567A2 (en) * 1999-01-06 2000-07-12 Cvd Incorporated Method of producing free standing articles

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121925A (en) * 1960-08-16 1964-02-25 Jr Harry A Toulmin Method and apparatus for making honeycomb structures
US3127641A (en) * 1961-10-05 1964-04-07 Gen Electric Tungsten tube manufacture
EP1018567A2 (en) * 1999-01-06 2000-07-12 Cvd Incorporated Method of producing free standing articles
JP2000199063A (en) * 1999-01-06 2000-07-18 Cvd Inc Production of near net shape free standing article by chemical vapor deposition
EP1018567A3 (en) * 1999-01-06 2000-09-20 Cvd Incorporated Method of producing free standing articles
US6464912B1 (en) 1999-01-06 2002-10-15 Cvd, Incorporated Method for producing near-net shape free standing articles by chemical vapor deposition
US6648977B2 (en) 1999-01-06 2003-11-18 Shipley Company, L.L.C. Method of producing near-net shape free standing articles by chemical vapor deposition

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