Aluminium LM13 alloy based hybrid particulate composites have been processed by adding boron carbide (B _4 C) and titanium diboride (TiB _2 ) particles. The wt% of titanium diboride (TiB _2 ) is varied as 0. 3. 6. https://www.bekindtopets.com/special-pick-Grandpa-s-Best-Prairie-Hay-quick-pick/