Affiliation:
1. Present address: American Enka Corp., Enka, N. Carolina.
2. Present address : 107 Washington St., Charlottesville, Va.
Abstract
Soft x-rays or Grenz rays can be used to form shadowgrams of single textile fibers as well as of yarns and fabrics on fine-grain photographic plates. This paper deals primarily with the microradiography of single fibers and includes a description of experimental equipment, con ditions under which necessary resolution is obtained, impregnation of fibers with substances to increase absorption of x-radiation, and examples of the utility of the method. Single cotton, rayon, wool, and other fibers are clearly resolved by x-radiation generated at 5 kv.; at higher voltages (to 17 kv.), natural fibers give faint shadowgrams. When the fibers are impregnated with 10-20% lead sulfide or other materials, single treated fibers can then be distinguished in masses of untreated fibers. This technique provides a possible means for tracing individual fibers through processing operations.
Subject
Polymers and Plastics,Chemical Engineering (miscellaneous)
Cited by
3 articles.
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