Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 578
pool is not keptmolten long enough to float off the slag formed from the oxidationof the electrode. Particular care must be taken when workingwith coated or filled electrodes. Wrought iron electrodes can alsogive trouble in this respect. The two most important elements present in the weld… … Annealed plate and weld boundary. Note penetration of N into plate. X7S. be seen in small patches or spots. Welds are never free from it, butusually there is not sufficient present to account for the usual lackof ductility. It is probably also present in the form of a thin filmaround the grains,…
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