I have a procedure, is it correct method to follow?

1. Mix All materials together

2. Use ball milling to mix the powder thoroughly for 4 hrs

3. Take out powders and use binder like PVA and mix it to bind the composition

4. Heat up to the lowest melting point among the Metal oxides and keep it for 12 hrs to make highly densified target

5. cut the target  according to the requirement