. Electric railway journal . Inmate strength. The vanadium rails aiso showedgr:ater hardness. With^the increased strength andhardness, they showed the same deflection under - thefirst blow of the drop test and slightly better ductilitythan the carbon-steel rails. The following table gives minimum figures obtained. RAIL TEST—ETCHED SECTIONS OF VANADIUM RAILS FORDELAWARE, LACKAWANNA & WESTERN RAILROAD from test pieces in eight different lecatiens in the railsfrom each of the heats: Vanadium Carbon Elastic limit 80,000 lb. :>6,000 lb. Tensile strength 1 37,000 lb. 126,000 1b. Elongation in 2 i
. Electric railway journal . Inmate strength. The vanadium rails aiso showedgr:ater hardness. With^the increased strength andhardness, they showed the same deflection under - thefirst blow of the drop test and slightly better ductilitythan the carbon-steel rails. The following table gives minimum figures obtained. RAIL TEST—ETCHED SECTIONS OF VANADIUM RAILS FORDELAWARE, LACKAWANNA & WESTERN RAILROAD from test pieces in eight different lecatiens in the railsfrom each of the heats: Vanadium Carbon Elastic limit 80,000 lb. :>6,000 lb. Tensile strength 1 37,000 lb. 126,000 1b. Elongation in 2 in 9 per cent 9 per cent Reduction in area 14 per cent 13 per cent Hardness (Brii nell) 277 255 The drop tests were made with a 2240-lb. tup fallingfrom a height of 19 ft. These showed deflection thatwere, in all cases except one, within 8 per cent of 1 the first blow, and between in. and the second blow. Two vanadium rails out of sixin the drop test broke at the third blow. Vending Machine for Cars of Two Penn-sylvania Electric Lines The Wilkes-Barre & Hazleton Electric Railway andIhe Lehigh Traction Company, Hazleton, Pa., havelately installed on their cars a penny-in-the-slot vend-ing machine furnished by Scott E. Drum, Hazleton, machines are of the compact design
Size: 2046px × 1221px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
