Copper foils with gradient structure in thickness direction and diff erent roughnesses on two surfaces were fabricated by double rolling. The two surface morpho
The grain size of prior austenite has a distinct influence on the microstructure and final mechanical properties of steels.Thus,it is significant to clearly rev
The microstructure of bainite ferrite in NANOBAIN steel transformed at different temperatures was investigated by scanning electron microscopy,transmission elec
Copper matrix composites consisting of chromium (Cr) or ferrochrome (Cr-Fe) as strengthening elements and molybdenum disulfide as a lubricant had been sintered
As an important design factor for constructed wetlands,hydraulic retention time and its distribution will affect the treatment performance.Instantaneously injec
An Al2O3-TiB2 nanocomposite was successfully synthesized by ball milling of Al, TiO2 and two B source materials of B2O3 (system (1)) and H3BO3 (system (2)). Pha