"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.
"Takashi Nagoshi,Akinobu Shibata,Yoshikazu Todaka,Tatsuo Sato,Masato Sone","Mechanical behavior of a microsized pillar fabricated from ultrafine-grained ferrite evaluated by a microcompression test",,"Acta Materialia",,"Vol. 73",,"pp. 12-18",2014,July
"Hakan Yilmazer,Mitsuo Niinomi,Masaaki Nakai,Ken Cho,Junko Hieda,Yoshikazu Todaka,T. Miyazaki","Mechanical properties of a medical beta-type titanium alloy with specific microstructural evolution through high-pressure torsion",,"Materials science and engineering C",,"Vol. 33","No. 5","pp. 2499-2507",2013,July
"Masaaki Nakai,Mitsuo Niinomi,Junko Hieda,Hakan Yilmazer,Yoshikazu Todaka","Heterogeneous grain refinement of biomedical Ti-29Nb-13Ta-4.6Zr alloy through high-pressure torsion",,"Scientia Iranica",,"Vol. 20","No. 3","pp. 1067-1070",2013,June
"Hakan Yilmazer,Mitsuo Niinomi,Masaaki Nakai,Junko Hieda,Yoshikazu Todaka,Toshikazu Akahori,T. Miyazaki","Heterogeneous structure and mechanical hardness of biomedical ƒÀ-type Ti?29Nb?13Ta?4.6Zr subjected to high-pressure torsion",,"Journal of the Mechanical Behavior of Biomedical Materials",,"Vol. 10",,"pp. 235?245",2012,June