. Report of the chief of the Division of Safety covering the investigation of an accident which occurred on the Baltimore . the intactend. No particular significance is attached to the development ofthese seams in respect to influencing the failure of the axle at thetime of derailment. They represented the development of seamswhich were in the forging but of a kind which service conditionswould not be expected to develop. 8 INTERSTATE COMMERCE COMMISSION. The axle was next cut up for metallographic examination, chemicalanalysis, and physical tests. This work was done in the shops andlaboratory
. Report of the chief of the Division of Safety covering the investigation of an accident which occurred on the Baltimore . the intactend. No particular significance is attached to the development ofthese seams in respect to influencing the failure of the axle at thetime of derailment. They represented the development of seamswhich were in the forging but of a kind which service conditionswould not be expected to develop. 8 INTERSTATE COMMERCE COMMISSION. The axle was next cut up for metallographic examination, chemicalanalysis, and physical tests. This work was done in the shops andlaboratory of the Baltimore & Ohio Railroad Co., which companycooperated with the Division of Safety in the acquisition of thesedata in a very efficient and satisfactory manner. Chips for chem-ical analysis were taken from different parts of the cross section,near the finished surface or circumference of the axle, one quarterbelow the surface diametrically, and at the center of the sets of chips were taken, one representing the metal in thevicinity of the place of rupture, the other the opposite end of
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbaltimoreandohiorail
