- Email: [email protected]
Radiolysis and radiolytic oxidation of lubricants
76
LITERATURE AND CURRENT EVENTS
3. LUBRICATION 3. I. Lubrication Von unserem Wissen iiber R&bung und Scbmierung in geschichtlicher Betrachtung. Historical Survey of Our Knowledge of Friction and Lubrication. Technik, v. 13, no. I, Jan. 1958, p. 38-40. Beeinflussbarkeit yen Reibung und Schmierung durch Zusatzstoffe. The Influence of .4dditives on Friction and Lubrication. Georg. R. Schultze. VDI Zeitschvzft, v. 100, no. 4, Feb. I, 1958, p. 146. Definition of the terms “friction” and “lubrication”; the Stribeck-diagram and “mixed friction”; reasons for introducing additions; various types of additives and their effects.
AND
Committee fov Aeronautics, Technical 4161, Feb. 1958, 28 pp. (TL570 Un3t).
Note
A methyl silicone, mineral oil, glycol, sebacate, and an adipate were tested as lubricants using groups of i-in. air-melt AISl M-I toolsteel balls under rolling-contact fatigue conditions in the fatigue spin rig. Lubricants whose viscosities were increased the most by pressure produced the longest fatigue lives.
(1958/59)
LUBRICANTS
The low strength and poor thermal conductivity of P.T.F.E. in bulk form are overcome by the deposition of thin films of P.T.F.E. on metal substrates. Tenacious films of low frictional coefficient and high load-carrying capacity can be prepared. These properties are enhanced by a surface phosphating treatment prior to applications of the P.T.F.E. Application of Dry-Film Lubricants in Plain Bearings. M. H. Weisman. Machine Design, v. 30, Feb. 6, 1958, p. IO,-ILO. Factors influencing application and pcrformante of recently developed dry-powder forms of lubricating materials in plain bearings. Radiation
Effect of Lubricant Base Stock on RollingContact Fatigue Life. Thomas L. Carter. U. S. National Advisory
VOL. 2
damage
Radiation Damage in Lubricating Greases. B. W. Hotten and J. G. Carroll. Industrial and Engineering Chemistvy, v. 50, Feb. 1958, p. 217-220. When exposed to radiation, greases usually soften and then harden. Controls for this breakdown are suggested. Radiolysis and Radiolytic Oxidation of Lubricants. H. 0. Bolt and J. G. Carroll. Industrial and Engineering
Chemistry,
v. 50,
Feb.
1958,
p.
221-228.
Effect of Temperature on Rolling-Contact Fatigue Life With Liquid and Dry Powder Lubricants. Thomas L. Carter. U. S. National Advisory Committee for Aeronautics, Technical Note 4163, Jan. 1958, 40 pp. (TLj7o Un3t). The fatigue life of AISI 1M-I tool steel was determined at roe, 250, and 450 OF with di(zethylhexyl)sebacate lubricant and at 450 OF with dry Moss and graphite powders. Roll-Neck Bearing Lubrication for Rubber and Plastics Calenders. K. J. Gooch and W. (1. Whittum. Plastzcs Technology. v. 4, 1958. p. 339-343; 12 frg. No ref. Results of tests reported can serve as the basis for design and operating factors needed for reliable operation of the calenders under current conditions (Ed.).
3.2. Lubricants Solids
The Use of Polytetrafluoroethylene as a Lubricant. E. Kay and E. D. Tingle. British Journal of Applied Physics, v. g, Jan. 1958, p. 17-25.
Various organic fluids were exposed in a nuclear reactor and toy radiation alone. Susceptibility to attack varied widely, aromatic materials being the most resistant. Oxidation was greatly accelerated. Materials
Lubricants and Hydraulic Fluids for High Temperatures. E. 11. Brown, Jr. Matevials in Design Engineering, v. 47, Apr. 1958, p. 124-126. Three new silicone fluids can be used as hydraulic fluids and lubricants over the range of ~ 45 to 700 OF. New
Compatibility of Greases. R. Tourret and -4. J. S. Baker. institute of Petroleum, Journal, v. 44, Jan. 1958, p. g-13. A number of mixtures were tested in the ASTM Wheel Bearing Grease Tester. Mixing by means of a grease worker was preferred. The occurrence of incompatibility of the greases tested was found to be unrelated either to unsatisfactory performance of one of the components formmg the mixture or to mixtures of greases containing soaps of different bases. (to be continued
in the next issue)
LITERATURE AND CURRENT EVENTS
3. LUBRICATION 3. I. Lubrication Von unserem Wissen iiber R&bung und Scbmierung in geschichtlicher Betrachtung. Historical Survey of Our Knowledge of Friction and Lubrication. Technik, v. 13, no. I, Jan. 1958, p. 38-40. Beeinflussbarkeit yen Reibung und Schmierung durch Zusatzstoffe. The Influence of .4dditives on Friction and Lubrication. Georg. R. Schultze. VDI Zeitschvzft, v. 100, no. 4, Feb. I, 1958, p. 146. Definition of the terms “friction” and “lubrication”; the Stribeck-diagram and “mixed friction”; reasons for introducing additions; various types of additives and their effects.
AND
Committee fov Aeronautics, Technical 4161, Feb. 1958, 28 pp. (TL570 Un3t).
Note
A methyl silicone, mineral oil, glycol, sebacate, and an adipate were tested as lubricants using groups of i-in. air-melt AISl M-I toolsteel balls under rolling-contact fatigue conditions in the fatigue spin rig. Lubricants whose viscosities were increased the most by pressure produced the longest fatigue lives.
(1958/59)
LUBRICANTS
The low strength and poor thermal conductivity of P.T.F.E. in bulk form are overcome by the deposition of thin films of P.T.F.E. on metal substrates. Tenacious films of low frictional coefficient and high load-carrying capacity can be prepared. These properties are enhanced by a surface phosphating treatment prior to applications of the P.T.F.E. Application of Dry-Film Lubricants in Plain Bearings. M. H. Weisman. Machine Design, v. 30, Feb. 6, 1958, p. IO,-ILO. Factors influencing application and pcrformante of recently developed dry-powder forms of lubricating materials in plain bearings. Radiation
Effect of Lubricant Base Stock on RollingContact Fatigue Life. Thomas L. Carter. U. S. National Advisory
VOL. 2
damage
Radiation Damage in Lubricating Greases. B. W. Hotten and J. G. Carroll. Industrial and Engineering Chemistvy, v. 50, Feb. 1958, p. 217-220. When exposed to radiation, greases usually soften and then harden. Controls for this breakdown are suggested. Radiolysis and Radiolytic Oxidation of Lubricants. H. 0. Bolt and J. G. Carroll. Industrial and Engineering
Chemistry,
v. 50,
Feb.
1958,
p.
221-228.
Effect of Temperature on Rolling-Contact Fatigue Life With Liquid and Dry Powder Lubricants. Thomas L. Carter. U. S. National Advisory Committee for Aeronautics, Technical Note 4163, Jan. 1958, 40 pp. (TLj7o Un3t). The fatigue life of AISI 1M-I tool steel was determined at roe, 250, and 450 OF with di(zethylhexyl)sebacate lubricant and at 450 OF with dry Moss and graphite powders. Roll-Neck Bearing Lubrication for Rubber and Plastics Calenders. K. J. Gooch and W. (1. Whittum. Plastzcs Technology. v. 4, 1958. p. 339-343; 12 frg. No ref. Results of tests reported can serve as the basis for design and operating factors needed for reliable operation of the calenders under current conditions (Ed.).
3.2. Lubricants Solids
The Use of Polytetrafluoroethylene as a Lubricant. E. Kay and E. D. Tingle. British Journal of Applied Physics, v. g, Jan. 1958, p. 17-25.
Various organic fluids were exposed in a nuclear reactor and toy radiation alone. Susceptibility to attack varied widely, aromatic materials being the most resistant. Oxidation was greatly accelerated. Materials
Lubricants and Hydraulic Fluids for High Temperatures. E. 11. Brown, Jr. Matevials in Design Engineering, v. 47, Apr. 1958, p. 124-126. Three new silicone fluids can be used as hydraulic fluids and lubricants over the range of ~ 45 to 700 OF. New
Compatibility of Greases. R. Tourret and -4. J. S. Baker. institute of Petroleum, Journal, v. 44, Jan. 1958, p. g-13. A number of mixtures were tested in the ASTM Wheel Bearing Grease Tester. Mixing by means of a grease worker was preferred. The occurrence of incompatibility of the greases tested was found to be unrelated either to unsatisfactory performance of one of the components formmg the mixture or to mixtures of greases containing soaps of different bases. (to be continued
in the next issue)