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The America Ceramic Society February 15,1993 I hereby certify that the attached copies of Ceramic Abstracts, Volume , 1947, are true and accurate copies, which are maintained in the normal course of business at the American Ceramic Society, 735 Ceramic Place, Westerville, Ohio 43081. cnnsune achmtzer Product Manager Ceramic Information Center 735 Ceramic Place Westerville, Ohio 43081-8720 614 890 4700 TWX: 7101109409 I CERAMIC ABSTRACTS Compiled by The American Ceramic Society 1947 Charles S. Pearce, Editor Mary J. Gibb, Assistant Editor Dorothy Holbrook, Editorial Assistant Committee on Publications: K. C. Lyon, Chairman: E. E. Makbaker, Karl Schwartzwalder, R. E. Birch, C. S, Pearce, ex-officio A. H. Adams F. C. Arrance Wilfred Ashworth Associated Techni cal Services X. X. Ault Walter Bank L. R. Barrett R. Barta L. Barzaghi W. R. Beck J. J. Bcmlich A. C. Bevan ABSTRACTERS Associated Technical Services A. J. Biddulph R. H. Bollinger Ian Campbell L. C. Chadwick M. V. Condoide W. D. Foster R. A. Gregory P. Grodzinski Max Hartenhcim J. J. Hazel F. G. Heck 1. Hochntan R. H. Hooker J. F. Hornor M. Hoseh E. E. Howe F. J. Hurlbut G. M. Hutt J. F. Hyde L. J. Jacobs B. Z. Kamich G. A.Kirkendale M. M. W. Kleiman X. J. Kreidl S. M. Lang E. D. Maher V. S. de Marchi F. R_ Matson L. R. McCreight L. M. Merritt J. G. Mohr G. Morren J. M. Xoy S. S. Obeushain T. G. Pett D. G. Pierce Alexis Pincus W. J. Plankeuhorn M. E. Poor J. E. Priestley H. K. Richardson Margaret Roach H. Salmang X. Schrewelius A. B. Searle J. O. Semmelman R. C. Shaver F. P. Shonkvriler A. J. Strod Hans Thumaucr Samuel Zcrfoss G. H. Zink Editorial Office: 2525 North High Street, Columbus 2, Ohio Publication Office: 20th and Northampton Streets, Easton, Pa. ii 190 Ceramic Abstracts September l by each branch. During 1944 scientific investigations were at the Kaiser Wilhelm Institute tor Silicate Research it undertaken in two principal directions: (l) the develop- Berlin-Dahlem and Ostheim Rhoen. Germany. process merit of theoretical and practical methods of physical and for the production of synthetic mica on a laboratory scale chemical analysis of new alloys, the processing of complex was developed. In PB 20.330, practical details involved in multimetal ores, and the study of domestic mineral re- a the synthesis ;ire set forth. Potash-magnesia mica and sources; and (2) investigations relative to the basic chetnis- barium mica were made in small crucibles. To produce try of complex compounds and the development of eftec- well-oriented crystals, particular importance was placed on tive> methods for the recovery of rare metals and their well-regulated temperature gradient in a vertical direction alloys. Of special interest to the ceramic industry are the -- during the first of the cooling period and a magnetic field studies undertaken by the Laboratory for Silicates and its surrounding the crucible in a horizontal direction. In PB reports on the chemical stability of glass and the diffusion of 30.331. the basic crystallographic theories are discussed gases in molten glass. A.J.S. with complete descriptions of the results of various melts Siailles-Dyckerhoff Alumina Process, Portlandzement . in the phlogopite scries. PB 20.532 gives the results of Fabrik Dyckerhoff ASohne at Amoneburg bei Biebrich. crystallographic studies of synthetic phlogopite. and the F. M. Lea. BIOS Final Rept., 167, Item 32; PB 18,938, rules governing intergrowth of phlogopite and humite 7 pp. (Aug. 1943); abstracted in Bibliog. Sci. Ind. Repts.. crystals are derived. Tables, diagrams, and explanatory 1 (22] 134111946). Price photostat $1.00, microfilm 50e.-- photomicrographs. This is a report of the process for extracting alumina from-- . Synthetic Sapphire and Spinel Production in Germany, coai ashes. based on a discussion with personnel of the M. H. Barnes. FIAT Final Rept , H53; PB 17,543, 17 Dyckerhoff works and examination of some analytical pp. (1943): abstracted in Bibliof. Sci. Ind. Repts., I :2n; records. Essentially, the process consists in burning an 1204 (1946). Price photostat $2.00. microfilm 50e.--Two alumina-containing raw material with limestone; extract- c plants in Germany produced synthetic sapphire and spinel ing the pulverized material with water by a countercurrent boules during the war. the I. G. Farben plant at Bitterfeld method; precipitating the alumina and lime from this and the Wiedes Karbid Werke at Freyung. Both plants solution by treatment with carbon dioxide, and then subse- employ the basic Vemeuil process, the principles of which quently extracting the alumina from the mix of these two_ are known in the U. S. The details of German apparatus solids by treatment with soda. Initially, in the pilot-plant and process are revealed here for the first time. A process trials, the Seailles water extraction method was used, but for hardening spinel bearings so that their- performance it was later abandoned in favor of the alkali extraction approached that of sapphire and so that only one fourth as method. Details of the process, analysis of the materials. much diamond was needed for fabrication was developed, and economic considerations are discussed. The residue " Temperature Interconversion Tables and Melting Points from the alkali extraction process proved quite satisfactory of the Chemical Elements. Sat. Bur. Standards Misc. forusein Portland cement manufacture. Pub.. M183, April 10, 1947 (supersedes Misc. Pub. M126). Synthesis of Fluorine-Mica of the Phlogopite Group; Price 5e from Supt. of Documents, Washington 23. D. C. Crystallochemical and Microscopic Investigations of Syn-__ S.M.L. thetic Phlogopites; Regular intergrowth of Synthetic X-Rays in Practice. W. T. Spkoull. McGraw-Hill Phlogopite with Hydrous Mica. W. Erret. FIA T Final Book Co.. Inc., N'ew York. 1946. 613 pp. Price $4.00. Repts.. 747. 748, and 749; PB 20,530, 41 pp.: PB 20,331, -Reviewed in Meek. Eng., 69 [2| 165 (194#). F.G.H. 32 pp.; PB 20,532, 34 pp. (March 1946); abstracted in , Bibliog. Sci. Ind. Repts.. I (481 984 (1946). Price (each) -See the following additional abstracts photostat 33.00, microfilm 50e.--This is a series of three re- Sect. XQ: Colloid chemistry of the clay mineral attapul- ports on synthetic mica research by Eitel and his coworkers gite. ovj WO Kid HT> * C H fc o a a fl P if u f< c a e 1 i < c < t XIV--General 1 Central Glass and Ceramic Research Institute. Anon. consumers' goods, and buyers* resistance to out-of-line Jour! Sci. Ind. Research (India) .4(7] 387-8S (1946).--The f prices, including construction. The going will be harder for foundation of this Institute in Calcutta is the first of the new or rapidly expanded concerns than it was during the five national laboratories to be established in India. Cf. war and the postwar boom. It will be harder for everyone Ceram. Abs.. 1947, July, p. 151{. M.Ha. who cannot meet competitive costs. The test of the situa Employing an engineer--hiring practices analyzed. tion in the coming months will be the state of employment Joint Economic Status Committee. Amer. Engr., 17 and the output of goods and services to promote the general [4] 2, 12-13 (1947).--A preliminary report is given of a welfare. R.H.B. survey being made to answer questions which both the Histology of asbestosis. L. Mono. Acta Path. Micro- / employer and the prospective engineering employee ask. bid. Scand., 23 (1| 33-39 (1946); abstracted in Jour.* The survey includes the type of engineers hired, how young Amer. Med. Assoc.. 133 [91 652 (1947). D.G.P. engineers are recruited, how experienced engineers for How to tell your story to workers. Anon. Modern Ind., specific openings are obtained, the most important factors 13 (5] 44-48 (1947).--The widening gulf between labor and taken into consideration in hiring an engineer, and how management shows the need for better understanding. much newly employed engineers are paid. The median That gulf has led to Communism in some countries and to j answer for the last question was found to be $207 per Socialism in others. Thus far it has led only to crippling month in a range of approximately $173 to $230; however, strikes and generally reduced worker productivity in this the salary depends on the individual in 20% of the indus country. Communications from mangagement to workers, tries and upon prevailing wages or special factors in the the smooth flow of information, facts, instructions, and >r^ other 80% of the industries polled. The glass industry was educational material, is today's No. 1 industrial-relations included in the list of those paying the highest wages for problem. Methods of shaping employee opinion include recent graduates. In general, the answers to other ques the following mediums: (1) Supervisory word-of-mouth. tions were based on too little data to be conclusive as yet; (2) bulletin boards, (3) pay-envelope inserts, (4) news some trends, however, were indicated. L.R.M. 'letters. (5) employee publications, (6) employee meetings. General business conditions. Anon. Sational City (7) public-address systems, (8) plant-city advertisements Bank\Monthly Letter (June 1947).--The opinion that the (9) radio, (10) employee handbook, (11) annual statement peak of the postwar boom has been seen is now fairly gen (12) labor-management activities, and (13) movies. eral. Where recession has occurred, however, it is still of R.H.B. little weight, so far as the aggregates of production, income, Influence of age on silicosis. E. Martin and L. Roche or employment- are concerned. The most significant Presse mid., 54 IJan. 5| 3 (1946); abstracted in Jour. Ind changes that have occurred are in the price trend of basic Hyg. Toxicol.. 28 [61 133-34 (1946). D.G.P. commodities, the filling up of shortages of more and more Lamps and the spectrum. C. E. Wbitz. Ohio State