. Proceedings of the annual convention . X -^ <£ Cl â ..^ oo ?) cc. c-. X .t X CI CC C] X .- ^H r? -t r-< .â JL I I «oQO< I C C ^ X?C X ^ -^X X W X ; 1 1 «c 1 ⢠1 1 < 1 1 â r: I t- b ecN â -r o -x X ^neo O ut t^?Ct NCJ ^CO â â ^« uIX I 1 I < ;hOCO^^-<-^CJOCJCO-<-^C^t^C~t~t-Ctt^t*t*t^t^tt^C^l>t^C-t^t-C^t^t*t^t^t-C~t =3 z=3^.pd Sc^.odzzzzzcz â _ , ^. ___- â. =a=az i«CDJ<°«»3<J<J»a^«3»3=a=<i^=<i»<iZZZt-r-=a2: zzci;OT«uuu<zwt»c3!ziu<zzumcjZpacE-HHHHCH^;,w<<Hc en t: c» U X CS ff BS CO Rail 1189. Fig. 1âTransverse fissure
. Proceedings of the annual convention . X -^ <£ Cl â ..^ oo ?) cc. c-. X .t X CI CC C] X .- ^H r? -t r-< .â JL I I «oQO< I C C ^ X?C X ^ -^X X W X ; 1 1 «c 1 ⢠1 1 < 1 1 â r: I t- b ecN â -r o -x X ^neo O ut t^?Ct NCJ ^CO â â ^« uIX I 1 I < ;hOCO^^-<-^CJOCJCO-<-^C^t^C~t~t-Ctt^t*t*t^t^tt^C^l>t^C-t^t-C^t^t*t^t^t-C~t =3 z=3^.pd Sc^.odzzzzzcz â _ , ^. ___- â. =a=az i«CDJ<°«»3<J<J»a^«3»3=a=<i^=<i»<iZZZt-r-=a2: zzci;OT«uuu<zwt»c3!ziu<zzumcjZpacE-HHHHCH^;,w<<Hc en t: c» U X CS ff BS CO Rail 1189. Fig. 1âTransverse fissure from inclusion. a. Fissure with small cavity at nucleus. b. Longitudinal section through nucleus. Magnification about 4X. Unetchcd. there was a similar inclusion in the nucleus of the transverse fissure which dropped outwhen the rail was fractured. A similar condition was found in the other rail whichdeveloped a transverse fissure from an inclusion. Fractures from Welded Engine Burns In past reports internal failures from welded engine burns have been called transversefissures from welded engine burns. This terminology was discussed by the AREA Railcommittee, and it was decided to change this classification to fractures from weldedengine burns. There were four such failures examined during the past year. Fig. 2a showsone of these failures, and Fig. 2b shows an etched cross section through the weldedarea. The latter figure also shows horizontal cracks at the bottom of the weld deposited
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Keywords: ., bookauthoramericanrailwayengine, bookcentury1900, bookdecade1900
