Interaction between some sulfidizing salts and cast iron or steel

Interaction between some sulfidizing salts and cast iron or steel

LITERATURE 78 AND CURRENT EVEiYTS Dilatometric Study of Physical Chemistry of Sulfidizing Process. T. P. Gil’man. Metallovedenie i Obvabotka Metall...

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LITERATURE

78

AND CURRENT EVEiYTS

Dilatometric Study of Physical Chemistry of Sulfidizing Process. T. P. Gil’man. Metallovedenie i Obvabotka Metallov, no. IO, Oct. 1958, p. 33-36; 4 fig., z tables, 1,100 words. (No. 4393, $ 3.50) Dilatometric curves recorded for iron powder specimens containing up to 49: sulfur and in part, I % graphite, and heated to, and cooled from, r,ooo’C (Figs. I and 2). Dilatomctric curves obtained of similar specimens when heated once or several times to, and cooled from, 3oo’C (Figs. 3 and 4). Formation of iron sulfides. Recommended sulfidizing tcmperaturc for endowing steel components with anti-&zing properties. 8.

MACHINING

Interaction Between Some Sulfidizing Salts and Cast Iron or Steel. A. V. Kriulin. Metallovedenie i Obrabotku Metallov, no. IO, Oct. 1958, p. 58-62; 4 fig., 1,400 words. (No. 4399, $ 3.80) Study of various salts for performance in sulfidizing baths for cast iron and steel articles. Salts covered: thiocyanates (sodium, potassium, ammonia, lead) ; sulfides (ferrousand sodium) ; sulfates (sodium) and bisulfates (potassium) ; sulfites and bisulfites (sodium) Sequmce of salts studied in regard to rate and completeness of reaction with work pieces to bc sulfur impregnated, the bath to consist in each cast of a single salt only.

AND

Metal Cutting U’ith Ceramic Tools. (in Russian) A. M. Vul’f. 1958, 182 pp. State ScicntificTechnical Publishing House of Machine-Construction Literature, Moscow-Leningrad. Systematic investigations of lengthy expcriments in machining with ceramic tools; accomplishments of Russian and Western science in this field. Analysis of physical-mechanical properties of ceramic tool materials, cutting forces, temperatures, tool wear, surface finish. Recommendations in selecting tool geometry and cutting rates. Experience With Ceramic Tools at the Plant. (in Russian) Tu. D. Ligskii. Paper from Hezaniye Mineralokeramicheskimi Instvumentarni, 1958, p. 148-172. Publishing House of the Dcfcnse Industry, Moscow.

TOOL \VEAR Design and use of milling cutters having IL ceramic tips set at different radii and at graduated distances from the table. Cutting m’ith Ceramic Tools. (in Russian) S. B. Futorian and A. E. Gel’fand, editors. ~9.58, 208 pp. Publishing House of the Defense Industry, Moscow A collection of 18 papers on the experience of various plants and research organizations in tool design, geometry, life, sharpening, and cutting rates. In one plant ceramic tools are being used successfully to cut steel discs at 3720 sfm with 3.5 mm depth of cut and 0.3 mm/rev feed.’ Two papers discuss use of ccramics for other than cutting tools and one paper is devoted to the manufacturing technology of ceramic materials.

Bibliographies Triaryl

phosphates

Functional Fluids and Additives to Lubrication Oils, Hydvtlulic Bulletin New Series No. a Chemicals, The Geigy Company 48 pp.; 6 fig.; 13 tables; zr ref. (1937-1954); patents.

Fluids a%d Fuels, Technical

Ltd.,

Rhodes,

Middleton,

Service Manchester;

This bulletin has the threefold purpose of indicating newer developments in the use of triaryl phosphates, detailing background literature and theory on these uses, and survcymg the literature on the use of such compounds in lubricating oils, hydraulic fluids, and fuels. Most of the work has been carried out with tritolyl phosphate, but in many applications this can be replaced by either triphenyl phosphate or trixylyl phosphate.

Mechanical

Properties

of Chromium

Deposits

Henry Brutcher Translations, P.O.Box r.57, Altadena, Calif. Abstracts (in English) of ro German and 8 Russian reports and papers and ‘95.5. The full translations are now available.

published

between

1940

Wear, 3 (1960) 78