[1] Northumbria Univ, Fac Engn & Environm, Dept Mech & Construct Engn, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
[2] Princess Nourah Bint Abdulrahman Univ, Coll Dent, Riyadh, Saudi Arabia
[3] Guilin Univ Technol, Coll Mat Sci & Engn, Guangxi Key Lab Opt & Elect Mat & Devices, Guilin 541004, Peoples R China