Table 3: Process designations and the associated processing parameters.

Process designations The associated processing parameters

T1Heating for 2 hrs at 300°C and then air cooling to room temperature
TnSpecimens heated for times followed the T1 conditions ( )
H1Hydrogenated at 50 mA/cm2 for 1 hr in 1N + 0.1 g/L As2O3
L1Hydrogenated at 5 mA/cm2 for 10 hrs in 1N + 0.1 g/L As2O3
H1T1H1 treated specimens followed by a further T1 treatment
T1H2H1T1 treated specimens followed by a further H1 treatment
HnTnTn-1Hn treated specimens followed by a further T1 treatment ( )
TnHn + 1HnTn treated specimens followed by a further H1 treatment ( )
L1T1L1 treated specimens followed by a further T1 treatment
T1L2L1T1 treated specimens followed by a further L1 treatment
LnTnTn-1Ln treated specimens followed by a further T1 treatment ( )
TnLn + 1LnTn treated specimens followed by a further L1 treatment ( )