FR2194800A1 - Fissuring chromium surfaces - using sulphuric acid soln contg metal salts - Google Patents

Fissuring chromium surfaces - using sulphuric acid soln contg metal salts

Info

Publication number
FR2194800A1
FR2194800A1 FR7228016A FR7228016A FR2194800A1 FR 2194800 A1 FR2194800 A1 FR 2194800A1 FR 7228016 A FR7228016 A FR 7228016A FR 7228016 A FR7228016 A FR 7228016A FR 2194800 A1 FR2194800 A1 FR 2194800A1
Authority
FR
France
Prior art keywords
sulphuric acid
fissuring
metal salts
acid soln
gal
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.)
Granted
Application number
FR7228016A
Other languages
English (en)
French (fr)
Other versions
FR2194800B1 (enrdf_load_stackoverflow
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.)
FORESTEK CLAREN E
Original Assignee
FORESTEK CLAREN E
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 FORESTEK CLAREN E filed Critical FORESTEK CLAREN E
Priority to FR7228016A priority Critical patent/FR2194800A1/fr
Publication of FR2194800A1 publication Critical patent/FR2194800A1/fr
Application granted granted Critical
Publication of FR2194800B1 publication Critical patent/FR2194800B1/fr
Granted 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/26—Acidic compositions for etching refractory metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
FR7228016A 1972-08-03 1972-08-03 Fissuring chromium surfaces - using sulphuric acid soln contg metal salts Granted FR2194800A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7228016A FR2194800A1 (en) 1972-08-03 1972-08-03 Fissuring chromium surfaces - using sulphuric acid soln contg metal salts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7228016A FR2194800A1 (en) 1972-08-03 1972-08-03 Fissuring chromium surfaces - using sulphuric acid soln contg metal salts

Publications (2)

Publication Number Publication Date
FR2194800A1 true FR2194800A1 (en) 1974-03-01
FR2194800B1 FR2194800B1 (enrdf_load_stackoverflow) 1974-12-27

Family

ID=9102823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228016A Granted FR2194800A1 (en) 1972-08-03 1972-08-03 Fissuring chromium surfaces - using sulphuric acid soln contg metal salts

Country Status (1)

Country Link
FR (1) FR2194800A1 (enrdf_load_stackoverflow)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2194800B1 (enrdf_load_stackoverflow) 1974-12-27

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