. Transactions. Fig. 3.—Sectiox of hypereutectoidzone ix normal steel, finely lamellar PEARLITE; note MANGANESE-SULFIDE IN-CLUSION THROUGH CEMENTITE BOUNDARYOF TWO LARGE CRYSTALS. EtCHED WITH5 PER CENT. PICRIC ACID. X 200. Fig. 4.—Section of hypereutectoidzone in .\bnormal steel) note ridgesof heavy cementite in masses ofFERRiTE. Etched with 5 per cent. PICRIC ACID. X 200. t », ^ x7K, -1. Fig. 5.—Section of hypereutectoid Fig. 6.—Grading zone in normal ZONE IN ABNORMAL STEEL, AS STEEL; NOTE LARGE GRAIN SIZE. EtCHED shown in Fig. 4, using sodium-picr.\te with 5 per cent, picric acid and E
. Transactions. Fig. 3.—Sectiox of hypereutectoidzone ix normal steel, finely lamellar PEARLITE; note MANGANESE-SULFIDE IN-CLUSION THROUGH CEMENTITE BOUNDARYOF TWO LARGE CRYSTALS. EtCHED WITH5 PER CENT. PICRIC ACID. X 200. Fig. 4.—Section of hypereutectoidzone in .\bnormal steel) note ridgesof heavy cementite in masses ofFERRiTE. Etched with 5 per cent. PICRIC ACID. X 200. t », ^ x7K, -1. Fig. 5.—Section of hypereutectoid Fig. 6.—Grading zone in normal ZONE IN ABNORMAL STEEL, AS STEEL; NOTE LARGE GRAIN SIZE. EtCHED shown in Fig. 4, using sodium-picr.\te with 5 per cent, picric acid and ETCH. X 200. ALCOHOL. X 100. W. H. McQUAID AND E. W. EHN 347
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
