METHODS FOR STUDYING FILM DEFORMATION

A DISTINCTION IS MADE BETWEEN THOSE STUDIES THAT WERE MADE TO DETERMINE THE CHARACTERISTICS OF FILM DEFORMATION AS OPPOSED TO THOSE THAT WERE MADE PRIMARILY TO CORRECT IT. THE NEW POLYESTER FILM MATERIALS HAVE GENERALLY REDUCED RESIDUAL FILM SHRINKAGE VALUES TO LESS THAN FIVE MICROMETERS. THE GRID METHOD IS STILL THE MOST POPULAR METHOD FOR FILM- SHRINKAGE INVESTIGATIONS ALTHOUGH THE MOIRE PATTERN METHOD IS A CONVENIENT METHOD. THE SUBSEQUENT CORRECTION OF FILM DEFORMATION SEEMS TO BE BEST ACCOMPLISHED WITH A GLASS RESEAU. THE SELECTION OF THE MOST APPROPRIATE TRANSFORMATION FOR THE CORRECTION OF FILM DEFORMATION IS STILL OPEN TO DEBATE.

  • Authors:
    • Brock, R H
  • Publication Date: 1972-4

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Filing Info

  • Accession Number: 00202979
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 7 1972 12:00AM