. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. FACTORS AFFECTING MAGNETIC QUALITY 283 ).3 / \ T ^. 15 20 30 50 PER CENT REDUCTION IN THICKNESS Fig. a—Dependence of the grain size of iron on the amount of deformation and on the temperature of anneal. Kenyan. 90" / 120°^ SS DIRECTION \ 60° ,50V^ / \ Y \ \ \^°° 7\ / J X ----- O \^ \ .-^>V / "^^ / ^^ /A'^ cc Vfc_ \ /'"^'^ \ 1. /^\ /^\ u ^7^ \.^ ^^\"\\ / / / / \ •'j^---" ^ .LING DIRECTION ^ f / / / / / ROt 0°| / 1 1 1 1 1 1 n ' LO
. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. FACTORS AFFECTING MAGNETIC QUALITY 283 ).3 / \ T ^. 15 20 30 50 PER CENT REDUCTION IN THICKNESS Fig. a—Dependence of the grain size of iron on the amount of deformation and on the temperature of anneal. Kenyan. 90" / 120°^ SS DIRECTION \ 60° ,50V^ / \ Y \ \ \^°° 7\ / J X ----- O \^ \ .-^>V / "^^ / ^^ /A'^ cc Vfc_ \ /'"^'^ \ 1. /^\ /^\ u ^7^ \.^ ^^\"\\ / / / / \ •'j^---" ^ .LING DIRECTION ^ f / / / / / ROt 0°| / 1 1 1 1 1 1 n ' LO 0 COERCIVE FORCE, He, IN OERSTEDS lO^ 0 RESIDUAL INDUCTION, Br, IN GAUSSES 10-0 X103 40 30 20 10 0 10 20 30 40 PERMEABILITY,/i, (FOR MEDIUM FIELDS) Fig. 34—Variation of magnetic properties with the direction of measurement in a sheet of iron-nickel alloy (40% Ni) severely rolled () and annealed at 1100°C. The eflfect of size of a magnetic specimen is often of importance. This is well known in the study of thin films, a,nd fine powders in which the smallest. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Telephone and Telegraph Company. [Short Hills, N. J. , etc. , American Telephone and Telegraph Co. ]
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
