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Porous chrome plating for wear resistance
526
LITERATURE AND CURRENT EVENTS
The Development of’ Coated Abrasives. R. W. Redmond. Plafing, v. 43, Jan. 1956, P. 55-59. Historical review. General description of various abrasives, backings, and bonding materials.
Cermet Hard Alloys With Unequal Distribution of the Carbide Component, for the Machining of Abrasive Materials, (in Russian)
7. SURFACRS
AND
SURFACX
Wear Resistance. W. G. Cass. fro,& & S&PI, v. 29, July 1936, P. 342. Recent Russian research on different surface treatments for machine parts. Wear Resistance of Coatings Used in the Repair of Machine Parts. (in Russian) V. I. Kazartsev. Vest&k ~~~sk~nost~oerlj,~n,v. 36, 1x0. I, Jan. 1956, p. 63-66. Coating with smooth or porous Cr; hardfacing with electrolytic iron-plating; variations in heat treatment and in preparation of surface. Tables, graph, diagrams. Reducing Frictional Resistance and Wear of Steel: Use of Sulphide-Impregnated Surfaces. L. Marshall and S. J. Mansell. Eaginrering, v. 181, June I, 1956, p. 425-428. Assessment of wear resistance and frictional properties of sulfide film by means of tests with Sbeli four-ball and Faville-Levally ma-
~.MACHINING
AND
Macki~zi~~g
Electroerosion et usinage par Qincelles, &at actuel et perspectives d’avenir. Efectro-Erosion and Electric-Spark Miachining; Present Status and Future Prospects. Marc Bruma. Schweizer Archiv jtir angewacndtr Wissenschaft und Tmhnik, v. 22, no. 1, Jan. 1956,~. IS-~2. Historical review of the process.
Influence of different factorson the machiningrate, surface finish, and electrode wear. Table, diagram, micrographs, graph, photographs. 23 ref. Some Regularities in the Phenomena of the Electrical Erosion of Metals During LowVoltage Discharge in a Liquid. (in Russian) I. G. Nekrashevicll and S. P. Mitkevich.
TREATMENTS
chines. Diagrams, micrograph, photographs. 4 ref.
Wear Resistance
8.1.EIectroevosion and Ebctvospark
(q57/58)
G. .A. Meerson and G. V. Samsonov. lzvestiia Akademii Naak SSSR, Otdelenie Tekhnicheskikh Nauk, 1956, no. 4, Apr. 1956, no 4., Apr. 1956,~. 121-125. Relation between wear resistance, brittleness, amount of cementing metal (Co), and cermet alloy proportions. Diagram, micrographs, graph, table. 4 ref.
Five Faults in Wet Abrasive Cut-Off and How to Correct Them. P. C. Dooley. American Machinist, v. LOO, June 4, 1946, p. 130-133. Mechanics of wheel-face breakdown; methods of coolant application; causes and cures for wheel drift, heavy burr, burning the work, step cut, and chamfer at top. Ifiagrams.
7. I.
VOL. 1
table, graphs,
Porous Chrome Plating for Wear Resistance. Glenn Pendley. WorEd Oil, v. 142, Feb. 1956, p. gs, 100. Characteristics and oil-field applications of a wear resisting Cr surface which has an unusual affinity for lubrication, promising prolonged bearing and liner service life. Photograph, micrographs.
Versuche zur Herabsetrung des Zerkleinerungswiderstandsfester Stoffe durch gasflirmige und dampfformige Zusatzmittel. Reduction of Disintegration Resistance of Solids by Means of Gaseous and Vaporous Additives. 4. Giitte and E. Ziegler. VDI Zeitschrift, v. 98, no. 9, Mar. 1956, p. 373-376. Improvement of grinding performances of various materials in atmospheres of saturated vapors of polar or nonpolar liquids. Graphs, diagram. 5 ref.
METAL
WORKING
Zhz.~‘m~lTeknicheskoi Fiziki, v. 26, no. I, Jan 1956, p. 90-95. Breakdown or erosion of electrodes during low-voltage condenser discharge in transformer oil. An approximate quantitative expression is developed for erosion during discharge between electrodes of the same metal and of different metals. Tables, graph. 3 ref. Study of the Temperature of the Vapor Phase Arising During the Electrospark Machining of Metals. (in Russian) I,. S. Palatnik and A. N. Liulichev. Zhzdrnal Tekhnicheskoi Fiziki, v. 26, no.4, Apr. 1956, p. 8$2-838. Method of measuring spark temperature. Temperature of spark between iron electrodes
LITERATURE AND CURRENT EVENTS
The Development of’ Coated Abrasives. R. W. Redmond. Plafing, v. 43, Jan. 1956, P. 55-59. Historical review. General description of various abrasives, backings, and bonding materials.
Cermet Hard Alloys With Unequal Distribution of the Carbide Component, for the Machining of Abrasive Materials, (in Russian)
7. SURFACRS
AND
SURFACX
Wear Resistance. W. G. Cass. fro,& & S&PI, v. 29, July 1936, P. 342. Recent Russian research on different surface treatments for machine parts. Wear Resistance of Coatings Used in the Repair of Machine Parts. (in Russian) V. I. Kazartsev. Vest&k ~~~sk~nost~oerlj,~n,v. 36, 1x0. I, Jan. 1956, p. 63-66. Coating with smooth or porous Cr; hardfacing with electrolytic iron-plating; variations in heat treatment and in preparation of surface. Tables, graph, diagrams. Reducing Frictional Resistance and Wear of Steel: Use of Sulphide-Impregnated Surfaces. L. Marshall and S. J. Mansell. Eaginrering, v. 181, June I, 1956, p. 425-428. Assessment of wear resistance and frictional properties of sulfide film by means of tests with Sbeli four-ball and Faville-Levally ma-
~.MACHINING
AND
Macki~zi~~g
Electroerosion et usinage par Qincelles, &at actuel et perspectives d’avenir. Efectro-Erosion and Electric-Spark Miachining; Present Status and Future Prospects. Marc Bruma. Schweizer Archiv jtir angewacndtr Wissenschaft und Tmhnik, v. 22, no. 1, Jan. 1956,~. IS-~2. Historical review of the process.
Influence of different factorson the machiningrate, surface finish, and electrode wear. Table, diagram, micrographs, graph, photographs. 23 ref. Some Regularities in the Phenomena of the Electrical Erosion of Metals During LowVoltage Discharge in a Liquid. (in Russian) I. G. Nekrashevicll and S. P. Mitkevich.
TREATMENTS
chines. Diagrams, micrograph, photographs. 4 ref.
Wear Resistance
8.1.EIectroevosion and Ebctvospark
(q57/58)
G. .A. Meerson and G. V. Samsonov. lzvestiia Akademii Naak SSSR, Otdelenie Tekhnicheskikh Nauk, 1956, no. 4, Apr. 1956, no 4., Apr. 1956,~. 121-125. Relation between wear resistance, brittleness, amount of cementing metal (Co), and cermet alloy proportions. Diagram, micrographs, graph, table. 4 ref.
Five Faults in Wet Abrasive Cut-Off and How to Correct Them. P. C. Dooley. American Machinist, v. LOO, June 4, 1946, p. 130-133. Mechanics of wheel-face breakdown; methods of coolant application; causes and cures for wheel drift, heavy burr, burning the work, step cut, and chamfer at top. Ifiagrams.
7. I.
VOL. 1
table, graphs,
Porous Chrome Plating for Wear Resistance. Glenn Pendley. WorEd Oil, v. 142, Feb. 1956, p. gs, 100. Characteristics and oil-field applications of a wear resisting Cr surface which has an unusual affinity for lubrication, promising prolonged bearing and liner service life. Photograph, micrographs.
Versuche zur Herabsetrung des Zerkleinerungswiderstandsfester Stoffe durch gasflirmige und dampfformige Zusatzmittel. Reduction of Disintegration Resistance of Solids by Means of Gaseous and Vaporous Additives. 4. Giitte and E. Ziegler. VDI Zeitschrift, v. 98, no. 9, Mar. 1956, p. 373-376. Improvement of grinding performances of various materials in atmospheres of saturated vapors of polar or nonpolar liquids. Graphs, diagram. 5 ref.
METAL
WORKING
Zhz.~‘m~lTeknicheskoi Fiziki, v. 26, no. I, Jan 1956, p. 90-95. Breakdown or erosion of electrodes during low-voltage condenser discharge in transformer oil. An approximate quantitative expression is developed for erosion during discharge between electrodes of the same metal and of different metals. Tables, graph. 3 ref. Study of the Temperature of the Vapor Phase Arising During the Electrospark Machining of Metals. (in Russian) I,. S. Palatnik and A. N. Liulichev. Zhzdrnal Tekhnicheskoi Fiziki, v. 26, no.4, Apr. 1956, p. 8$2-838. Method of measuring spark temperature. Temperature of spark between iron electrodes