The recrystallization texture in grain oriented silicon steel sheets, which were annealed at different primary annealing temperatures with and without an electr
To find out the high-quality polyacrylonitrile (PAN) fibers, some differences are sought by comparing domestic PAN fibers with the foreign ones. X-ray diffracto
Porosity is a main defect in aluminum alloy castings, which is also thought to be severe in aluminum alloy castings produced by lost foam process due to the pyr