Literature cited
E. Szpunar and T. Burakowski, Mechanik,50, No. 9, 479 (1977).
Ya. E. Gol'dshtein, T. L. Mushtakova, and T. A. Komissarova, “Effect of selenium on the structure and properties of structural steel” Metalloved. Term. Obrab. Met., No. 10 (1979).
T. Fujiwara et al., “Effect of calcium-containing inclusion on the machinability of steel with high-speed tools,” Denki Seiko,49, No. 3, 160 (1978).
T. Fujiwara and T. Itoin, “Development of calcium-deoxidized free-machining steels,” Res. Develop. Jap. Awarded Okochi Mem. Prize (1978), p. 40.
Additional information
Scientific-Research Institute of Metallurgy, Chelyabinsk. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 9–13, November, 1980.