"Yilmazer  Hakan,Mitsuo niinomi,Ken Cho,Masaaki Nakai,Junko Hieda,Shigeo Sato,Yoshikazu Todaka","Microstructural evolution of precipitation-hardened beta-type titanium alloy through high-pressure torsion",,"Acta Materialia",,"  80",,"  172?182",2014,Nov.