. Transactions. ture from to in. ( mm. to mm.) without inter-mediate annealing; 64 per cent, reduction. Fig. 10 is amicrograph X150. C-5.—Copper drawn at 150° C. from in. to ( mm. to mm.) without intermediate anneal-ing; 90 per cent, reduction. Fig. 12 is a micrograph X150. C-6.—Copper drawn at 150° C. from in. to ( mm. to mm.) without intermediate anneal-ing; 64 per cent, reduction. Fig. 14 is a micrograph from in. to in. ( Fig. 2. C-T.—Copper drawn at 150mm. to mm.) without interme
. Transactions. ture from to in. ( mm. to mm.) without inter-mediate annealing; 64 per cent, reduction. Fig. 10 is amicrograph X150. C-5.—Copper drawn at 150° C. from in. to ( mm. to mm.) without intermediate anneal-ing; 90 per cent, reduction. Fig. 12 is a micrograph X150. C-6.—Copper drawn at 150° C. from in. to ( mm. to mm.) without intermediate anneal-ing; 64 per cent, reduction. Fig. 14 is a micrograph from in. to in. ( Fig. 2. C-T.—Copper drawn at 150mm. to mm.) without intermediate annealing; 32 per cent, reduction. Fig. 16 is a micrograph X150. ZAY JEFFRIES 477 C-8.—The same as C-1, heated for 10 min. at 150° C. in oil. C-9.—Copper drawn at 200° C. from in. to ia. ( to mm.) diameter without intermediate anneaUng; 32 percent, reduction. Fig. 18 is a micrograph X150. C-10.—The same as C-1 heated 3 min. at 450° C. Fig. 22 is amicrograph Fig. 3.—S, Scale; B, Base portiox; F, Electric furnace; J, Cold junxtion(thermos bottle); C, Clamp; L, Loading mechanism; P, Galvanometer for TEMPERATURE MEASUREMENT; T, TaNK OF ArGON; M. MeTER TO MEASURE FLOW OF Argon; R, Rheostat to control temperature of furnace. T-1.—Tungsten wire in. ( mm.) diameter produced byswaging a rod in. ( mm.) to in. ( mm.) diameter anddrawing from in. to in. At the beginning of swaging a tem-perature of about 1300° C. was used and this was gradually decreased asthe working progressed, the finishing temperature being 1000° C. This 478 EFFECT OF TEMPERATURE, ETC. ON PROPERTIES OF METALS
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
