( 653 ) SUBJECT INDEX. Abbreviations used in tex t, 652. Alclad, heat-treatment. See Heat-treat- Abrasion. See Wear. ment. Abrasives, boron carbide, 524. Aldrey. See Alloys. Accumulator plates, m anufacture, 50. Alferon. See Alloys. Acetic acid, corrosion by. See Corrosion. Alfol, Acetylene, International Acetylene Assoc, fire-protection properties, tests, 637. proceedings, 374; see also Welding. heat insulation, 271, 528. Acid resistant materials, 124. See also use in shipbuilding, 47. under names of alloys. Alkali metals (see also under names of Acids. See under names of acids, & alkali metals), Corrosion. binding forces, 13, 348. Admiralty bronze. See Alloys : Bronzes. crystals, optical absorption, theory, 558. Admiralty gun-metal. See Alloys: Gun- detection. See Analysis. metal. films, elect.-resistance, 229 ; photoelect. Adnic. See Alloys. properties, 229, 410. Adsorption, optical properties, 5, 338. kinetics, 548, 550. production, 543. of gases. See Oases, & under names of thermoelectric effects, 116. gases & metals, Alkali solutions, corrosion by. See theory, 557. Corrosion. Aerometer. See Laboratory apparatus. Alkaline earth metals (see also under Aeroplanes. See Aircraft. names of alkaline earth metals), Age-hardening, 0, 228, 346, 375. detection. See Analysis. nomenclature, 126. production, 543. phenomena, 175. Allotropy (see also under names of metals), precipitation-, 170; & secondary struc­ investigation by secondary electron ture, 575; effect of compn. & grain- emission, 558. size, 575. review, 236. ALLOYS & COMPOUNDS— serrated discontinuity on load-extension acid-resisting. See Acid-resistant ma­ diagram, 6. terials & under names of consti­ Age-hardening of— tuent metals ; see also Corrosion. Aluminium alloys, 69, 167, 458; p re­ action of acids, behaviour of carbides cipitation-, 119. & silicides, 169. Aluminium-copper alloys, 562; effect analysis. See Analysis. of additions, 562 ; effect of titanium, atomic arrangement, effect of thermal 487. agitation, 384. Aluminium-magnesium-zinc alloys, 367, binary, castability, 518 ; vapour pres­ 537. sures & activities, 1 1 . Beryllium-copper alloys, effect of phos­ castability, 457, 518. phorus, 225. chemistry, book, 536. Copper alloys, 458. coinage, ancient Chinese, 74. Copper-nickel-silicon alloys, 232. compositions, list, 125, 172, 346 Copper-silver alloys, effect of nickel, 372, 495, 531, 575. 567 ; precipitation-, 489. constitution, investigation, 90, 91 ; Duralumin, rate, 231. investigation, magnetic, 197, 298 ; Lead alloys, 233. investigation, X-ray, 90. Nickel-bronzes, 171. corrosion. See Corrosion. Silumin contg. magnesium, 231. corrosion-resistant. See Corrosion-re­ Aircraft, sistant materials, under names of construction, safety & design, 155. constituent metals, & also Cor­ constructional materials, 51. See also rosion. Alloys, & under names of metals, crystal structure, book, 536. hulls & floats, repair & upkeep, 502. dental. See Alloys : Dental alloys. deposition. See Deposition. metal construction, book, 2 2 0 . parts, finishing, 207, 632 ; forming, 103. electrical conductivity, 346 ; calcula­ pistons, inspection, 435. tion, nomograms, 577. propellers, m anuf., 205. electrical resistance, calculation, nomo- Albanoid. See Alloys. gram s, 577. Alchemists in art & literature, book, endurance limit, effect of corrosion, 109. 236. VOL. 1 . 2u 654 Subject Index Alloys & compounds— Alloys & compounds— equilibrium, effect of grain boundaries, porosity, 174. 232. quaternary, calculation of liquidus eutectic, crystallization, 11; slowly- points, 296; graphical representa­ cooled, abnormal structures, 420; tion, 1 1 . structure, effect of rate of cooling, rolled & annealed, directionality, 298. 494 ; ternary, crystallization, 420 ; segregate structures. See W idman- viscous properties, 573. statten structure. eutectoid, mechanism of phase trans­ single crystals. See Single crystals. formations, 346. solid, reactions, 443. ferromagnetic. See Ferromagnetic solid solutions, dilute, elect, properties, materials. 566; formation, 497; super­ fluidity, 419. saturated, effect of pptn. after cold- for die-casting, 98, 145. work, 75; theory, 576; thermo­ for electric furnaces, report of A.S.T.M. dynam ics, 237. cttee., 124. structure, sub-microscopic differences for electrical heating elements, analysis. between cast & recrystn. condi­ See Analysis-, eompn., 72; creep, tions, 77. 72 ; elect, resistance, 74 ; life tests, superconductivity, 166, 176, 297. 72, 73, 418, 455; mech. properties, super-hard. See Alloys : Super-hard, 72; oxidation, 74; phys. pro­ Tantalum carbide, Tungsten carbide, perties, 72; properties, 74; report &c., & under names of alloys: of A.S.T.M. cttee., 124; thermal Carboloy, Pobedit, Widia, &c. expansion, 74. tensile properties at temp, of liquid for electrical resistances, book, 158; helium , 116. change in specific resistance with ternary, calculation of solidus and temp., 571; compns., 571; manuf., liquidus points, 296; calculation 235; phys. properties, 571 ; report of soly. limits, 296; castability, of A.S.T.M. cttee., 124; temp.- 457 ; construction of equilib. diagr., resistanee const., A.S.T.M. method 125 ; equilib. diagr., representation, of test, 199; thermoelect, power, 297. A.S.T.M. method of test, 436. thermal analysis (where there are for hot-rolling, detn. of interval of segregating constituents), 252. plasticity, 628. thermal conductivity, 346. for oil plant, 245. transformations in solid state, 175; for oil pumps, test data, 273. polymorphic, 494; study by for watch springs, properties, 640. secondary electron emission, 288. fusible, safety plugs, failure, 469. ultra-light. See Alloys : Dowmetal, y-phase, theory, 237. Elelctron, M agnesium alloys, &c. grain-refinement by peritectic reaction, welding. See Welding. 175, 575. graphitized, prodn., 568. hardness, calculation, nomogram s, 577. Admiralty bronze. See Alloys : Bronzes. heat-resistant. See Heat-resistant Admiralty gun-metal. See A llo ys: Oun- materials, & under names of con­ metal. stituent metals. Adnic, properties, 341. Hume-Rothery rule, 128. Albanoid, casting. See Casting. hydrogen swelling, 482. Aldrey (see also Alloys : Aluminium- in sugar factory, 217. magnesium—silicon alloys), intermediate phases, entropy, 1 1 . cables, behaviour after 5 years’ intermetallic compounds, binary, conen. exposure, 545 ; in Europe, tonnage, of valency electrons, 297 ; quater­ 215; working conditions, 215, 326. nary, 297 ; superconductivity, 176. composition, 291. investigation, methods, book, 222 electrical resistance, effect of alloying (review). process, 564. light. See Alloys : Aluminium heat-treatment. See Heat-treatment. alloys, Magnesium alloys, & under mechanical properties, 291. names of alloys, Alferon, 346. liquid, diffusion & current flow, Almasilium, 576; surface tension, 123. composition, 291. low-melting point, use, 51. mechanical properties, 291. magnetic, in telephone industry, 639. Almelec, magnetic properties & chem. compds., composition, 291. 419. mechanical properties, 291. paramagnetic properties, interpreta­ Alpax (Silumin) (see also Alloys: tion, 576. Aluminium-silicon alloys, Copper- parting limits, 175. Silumin, Silumin—Beta, Silumin- periodic structures, 168, 314. Oamma, &c.), polymorphic transformations, tem p ­ book, 402. erature, theory, 496. castability, 457, 518. Subject Index 655 Alloys & compounds— Alloys & compounds— Alpax, Aluminium alloys, chill-castings, cost & weight compared cylinders, requirements, 527. w ith cast iron, 96. damping capacity, effect of alternating containing magnesium, age-harden- torsional stresses, 231, 292. able, 231. die-casting. See Die-casting. corrosion. See Corrosion of Silumin. die castings, A.S.T.M. specifications, die-castings, cost & weight compared 2 12. with cast iron, 96. dilatometric study, 7. effect of additions, 381. drilling. See Drilling. fluidity, 419. effect of additions, 487. limitations, 381. effect of chromium. See Alloys : mechanical properties, 291, 381. A luminium—chromium alloys. melting. See M elting of Silum in. effect of manganese, 227. See also metallography, technique, 420. Alloys: Aluminium-copper—mangan­ modified, phys. properties, 96. ese alloys, &c., &e. physical properties, 291. effect of molybdenum, 169. preparation, 437 effect of nickel, 69. See also Alloys: properties, tables, 46. Alum inium -nickel alloys, &c. sand-castings, cost & weight com­ elastic hysteresis, 414. pared with cast iron, 96. elastic properties, effect of temp., 415. thermal expansion, 311. electrical conductivity, 168, 292. Alsia, 291. electrode potentials of structural Alsimin, compn., 291. constituents, 582. Aluminium enamelling. See alloys (see Enamelling. also Alloys : extrusion. See E x ­ Aldrey, Al­ ALLOYS trusion. m a s i l i u m , Alloy systems are indexed in the order fatigue, 340. Almelec, Al­ of the constituent whose initial letter fluxes. See Fluxes. pax (S ilu ­ comes first in the alphabet, e.g. A lu m in ­ for aero engines, min), A lusil, ium-copper, Copper-nickel, Tin-zinc, and properties, 527. Anticorodal, without regard to percentage composi­ for aircraft con­ Avional, tion. Trade names of alloys are inserted struction, 46. Birmabright, in alphabetical order. for pistons, 8, 46; B . S . - S e e - advantages, 527 ; wasser, Cera- comparative lumin, Chlu- value, 5 2 7 ; m in, Duralum in, Euteclal, Helumin, compns., 225 ; properties, 225. Hibbo, Hydronalium, K.S.-Seewasser, forging. See Forging. Lautal, Lo-Ex, Magnalium, N.C.A. forgings, British standard specifica­ alloy, “ Y "-alloy, &c. ), tions, 157, 212;