April_AMP_Digital

A D V A N C E D M A T E R I A L S & P R O C E S S E S | A P R I L 2 0 2 1 6 2 properties. Some of the compositional changes are inherent to themelting process, such as formation of carbides, Ni loss, and other attributes that can be adjusted or minimized by optimizing melting practices. Finally, alloy properties were correlated to the actual compositions of each heat, through corrections based on differential scanning calorimetry measurements, indicating that most scatter in properties can be explained by slight chemistry variations (Fig. 4). SMJ HIGHLIGHTS 1 4 Fig. 4 — Effect of adjusted composition and applied stress on the residual strains for alloys aged at 550°C for 3 h and air cooled, tested in (a) tension and (b) compression.

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