FR1018820A - Process for detecting cracks, chapping or defects on various surfaces, in particular on metal parts - Google Patents

Process for detecting cracks, chapping or defects on various surfaces, in particular on metal parts

Info

Publication number
FR1018820A
FR1018820A FR1018820DA FR1018820A FR 1018820 A FR1018820 A FR 1018820A FR 1018820D A FR1018820D A FR 1018820DA FR 1018820 A FR1018820 A FR 1018820A
Authority
FR
France
Prior art keywords
chapping
defects
metal parts
various surfaces
detecting cracks
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
Other languages
French (fr)
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.)
Turbodyne Corp
Original Assignee
Turbodyne Corp
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 Turbodyne Corp filed Critical Turbodyne Corp
Application granted granted Critical
Publication of FR1018820A publication Critical patent/FR1018820A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FR1018820D 1949-03-26 1950-03-25 Process for detecting cracks, chapping or defects on various surfaces, in particular on metal parts Expired FR1018820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1018820XA 1949-03-26 1949-03-26

Publications (1)

Publication Number Publication Date
FR1018820A true FR1018820A (en) 1953-01-13

Family

ID=22286936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018820D Expired FR1018820A (en) 1949-03-26 1950-03-25 Process for detecting cracks, chapping or defects on various surfaces, in particular on metal parts

Country Status (3)

Country Link
BE (1) BE494753A (en)
DE (1) DE833260C (en)
FR (1) FR1018820A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1109918B (en) * 1955-02-01 1961-06-29 Siemens Ag Process for making visible cracks or gaps in metal pieces that extend up to the surface
DE1192852B (en) * 1957-12-13 1965-05-13 Licentia Gmbh Method for the detection of structural defects on the surface of semiconductor bodies
DE1207663B (en) * 1958-08-07 1965-12-23 Helmut Klumpf Procedure for testing workpieces for surface defects and defects in connection with the surface
CN110118780A (en) * 2019-05-15 2019-08-13 浙江大学 Ink-jet tracer for Dam Crack detection

Also Published As

Publication number Publication date
DE833260C (en) 1952-03-06
BE494753A (en)

Similar Documents

Publication Publication Date Title
CH284285A (en) Culture method and machine for its implementation.
FR1138382A (en) Method and composition for cleaning and coating metals
FR1018820A (en) Process for detecting cracks, chapping or defects on various surfaces, in particular on metal parts
FR1023634A (en) Process for the protection of thin metal deposits supported by various materials such as glass, plastics, etc.
FR996422A (en) Process for coating surfaces
AT189751B (en) Process for casting, in particular for the continuous casting of metals
FR1004822A (en) Process for removing deposits from parts, in particular metal parts
FR930945A (en) Process for carburizing steel or other metals and installation for carrying out this process or similar processes
FR949856A (en) Construction process for walls, or other, in stones, and elements for its implementation
AT174707B (en) Process for the continuous casting of metals, in particular steel
FR64602E (en) Surface treatment process for metal parts, in particular steel
CH258595A (en) Process for improving the surface condition of metal parts.
FR56939E (en) Process for cleaning, hardening and shining metal surfaces
FR1011240A (en) Process for improving metal surfaces
FR920426A (en) Process for the machining of small pieces of marble, marble stone or similar material
FR1005883A (en) Surface treatment process for metal parts, in particular steel
AT168690B (en) Process for casting metal ingots
FR968551A (en) Process for the production of steel tools with active part in high speed steel
FR974684A (en) Process for forming metal layers on metals or alloys
FR989027A (en) Process and installation for hardening rails, on the track or in the workshop
FR1075476A (en) Process for removing more or less strongly dyes
FR935149A (en) Method for derusting small steel or iron parts, in particular small timepieces
AT173804B (en) Process for the surface treatment of workpieces, in particular castings
AT171448B (en) Process for the continuous casting of steel and iron alloys in water-cooled molds
FR1026979A (en) Process for protecting rusted or non-rusted iron or rusted or non-rusted steel against corrosion, in particular iron or steel constructions