44




ID 42
 4D-


 40




 As Quenched lhr 0Ohrs lOOhrs
 -- Aged at 760C Solid figures: RSR 197
 S -- Aged at 810C Open figures: RSR 209
 0 ---- Aged at 870C

Figure 5.32 Microhardness measurements of SHTQ and aged RSR alloys.