The microdefects and free electron densities in B2, R and B19’ phases of Nis0.78Ti49.22 alloy were studied by positron lifetime measurements. Comparing the lif
A new FE modeling method of hot ring rolling was presented by solving key technologies such as contact and heat boundary conditions, motion control over guide r
The effects of H2O2 pretreatment on the surface characteristics and bioactivity of NaOH-treated NiTi shape memory alloy(SMA) were investigated by scanning elect