FR2559510B1 - Appareillage et procede pour le controle automatique d'operations de phosphatation de metaux - Google Patents

Appareillage et procede pour le controle automatique d'operations de phosphatation de metaux

Info

Publication number
FR2559510B1
FR2559510B1 FR8402084A FR8402084A FR2559510B1 FR 2559510 B1 FR2559510 B1 FR 2559510B1 FR 8402084 A FR8402084 A FR 8402084A FR 8402084 A FR8402084 A FR 8402084A FR 2559510 B1 FR2559510 B1 FR 2559510B1
Authority
FR
France
Prior art keywords
phosphatation
operations
metal
automatic control
automatic
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
FR8402084A
Other languages
English (en)
Other versions
FR2559510A1 (fr
Inventor
Pietro Lanza
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.)
FOSFACOL SpA
Original Assignee
FOSFACOL SpA
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 FOSFACOL SpA filed Critical FOSFACOL SpA
Priority to FR8402084A priority Critical patent/FR2559510B1/fr
Publication of FR2559510A1 publication Critical patent/FR2559510A1/fr
Application granted granted Critical
Publication of FR2559510B1 publication Critical patent/FR2559510B1/fr
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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/77—Controlling or regulating of the coating process
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Treatment Of Metals (AREA)
FR8402084A 1984-02-10 1984-02-10 Appareillage et procede pour le controle automatique d'operations de phosphatation de metaux Expired FR2559510B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8402084A FR2559510B1 (fr) 1984-02-10 1984-02-10 Appareillage et procede pour le controle automatique d'operations de phosphatation de metaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8402084A FR2559510B1 (fr) 1984-02-10 1984-02-10 Appareillage et procede pour le controle automatique d'operations de phosphatation de metaux

Publications (2)

Publication Number Publication Date
FR2559510A1 FR2559510A1 (fr) 1985-08-16
FR2559510B1 true FR2559510B1 (fr) 1986-07-25

Family

ID=9300950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8402084A Expired FR2559510B1 (fr) 1984-02-10 1984-02-10 Appareillage et procede pour le controle automatique d'operations de phosphatation de metaux

Country Status (1)

Country Link
FR (1) FR2559510B1 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585057A (en) * 1976-06-28 1981-02-25 Ici Ltd Sensing concentration of coating solution

Also Published As

Publication number Publication date
FR2559510A1 (fr) 1985-08-16

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse