 | American Society for Steel Treating - 1926 - 1212 halaman
...Chromium Steels." TRANSACTIONS. American Society for Steel Treating, Vol. 5, p. 89, 1924. (5). H. Scott, "Relation of the High-Temperature Treatment of High-Speed Steel to Secondary Hardening and Red Hardness." Bureau of Standards Scientific Papers, No. 395, 1920. TRANSACTIONS, American Society for Steel Treating,... | |
 | United States. National Bureau of Standards - 1921 - 944 halaman
...Superintendent of Documents. Government Printinf Office Wuhiniton, DC WASHINGTON GOVERNMENT PRINTING OFFICE RELATION OF THE HIGH-TEMPERATURE TREATMENT OF HIGH-SPEED STEEL TO SECONDARY HARDENING AND RED HARDNESS By Howard Scott CONTENTS I. Introduction 521 II. Physical properties and structure of high-speed steel... | |
 | 1923 - 834 halaman
...being shown in Fig. 44 b. It is evident from the fact that the structure of the defective » H. Scott, Relation of the High-Temperature Treatment of High-Speed Steel to Secondary Hardening and Red Hardness, BS Sri. Papers, No. 395; 1920. FIG. 43. — Microstructure of medium carbon steel after different hardening... | |
 | United States. National Bureau of Standards - 1925 - 288 halaman
...the Bureau of Standards wind tunnel of the commonly accepted air resistance equation, R=PAV*f (VLjv), made on circular cylinders placed with their axes...phenomena in simple carbon steels are noted. (Sept. i6, 1920.) i6 pp. Price, 10 cents. 8396. Thermal and Physical Changes Accompanying the Heating of Hardened... | |
 | 1921 - 928 halaman
...increases from 2C deg. C. for a 0- 3 % carbon steel to 100 deg. C. for a 1 • 9 % carbon steel. FCT 1328. Relation of the High-Temperature Treatment of High-Speed Steel to Secondary Hardening and Red-hardness ; Influence on Magnetic Properties. H. Scott. (Bureau of Standards, Bull. 16. pp. 521-536... | |
 | United States. National Bureau of Standards - 1943 - 396 halaman
...steel. S 15, 91 (1919-20) S335. Critical ranges of some commercial nickel steels. S 16, 195 (1920) 8376. Relation of the high-temperature treatment of high-speed steel to secondary hardening and red hardness. S 16, 521 (1920) S395. Origin of quenching cracks. S 20, 399 (1924-26) S513. Scott, H., Burgess, GK,... | |
 | United States. National Bureau of Standards - 1948 - 384 halaman
...steel. S 15, 91 (1919-20) S335. Critical ranges of some commercial nickel steels. S 16. 195 (1920) S376. Relation of the high-temperature treatment of high-speed steel to secondary hardening and red hardness. S 16, 521 (1920) S395. Origin of quenching cracks. S 2o, 399 (192426) S513. Scott, H., Burgess, GK,... | |
 | 1920 - 1090 halaman
...thickness, and from 3500 to 3800 Ib, for castings over */2 in. in thickness. 'Technologic Paper No. 172. RELATION OF THE HIGH-TEMPERATURE TREATMENT OF HIGH-SPEED STEEL TO SECONDARY HARDENING AND RED HARDNESS.4 By Howard Scott. [ABSTRACT.] THERE has been more or less mystery attached to certain wellknown... | |
 | United States. National Bureau of Standards - 1930 - 188 halaman
...(S335.) Critical ranges of some commercial nickel steels. Sei., le, p. 195 ; 1920. (S376.) Eelatlon of the high-temperature treatment of high-speed steel to secondary hardening and red hardness. Sei., 16, p. 521 : 1920. (S395.) Origin of quenching cracks. Sel., 2O, p. 399; 1924-1926. (S513.) Scott,... | |
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Relation of the High-Temperature Treatment of High-Speed Steel to Secondary Hardening and Red Hardness... 