Tag - Porosity

Test Method for Porosity of Castings

The degree of porosity depends on the material,the manufacturing process,and the process compatible design of the component itself.The degree of permissible porosity depends on the component’s function. Differentiation is made between macro porosity and micro porosity gas porosity Macro porosity includes all pores whose size and shape can be determined with the ¬†human eye or an auxiliary means with the same resolution(such as X-ray method).These are pores with a minimum extent of about 0.5 mm. Micro porosity includes all pores whose size and [...]