The properties of railway ballast material are affected by the local geologies and climatic environments from which parent rock is sourced. These factors can make it challenging to select most appropriate for applications. To address this issue, paper first reviews means selection in complex across world. criteria materials compared test methods quality quantification summarised. Next, types im...

The aim of this work is to develop a die material selection criterion for aluminum hot stamping applications. has been based on the back-to-back comparison set reciprocating friction and wear tests. Three representatives belonging different families have selected study: cold steel, cast iron. These tool materials combined with an exemplary member from two heat treatable families: 2XXX 6XXX. Eac...