Evaluation on Powder Metallurgy Process Parameters of Ball-Milled AA8079-B₄C Nanostructured Composites via Taguchi Grey Relational Analysis

Table 1

Process parameters and their levels.

Symbols	Parameters	Unit	Level 1	Level 2	Level 3
A	Reinforcement wt.%	%	5	10	15
B	Compaction pressure	MPa	200	300	400
C	Sintering temperature	°C	375	475	575
D	Sintering time	hr	1	2	3