• M.Umemoto, Y.Todaka[oral], A.Ohno, M.Suzuki and K.Tsuchiya
  "Dissolution of cementite in carbon steels by heavy deformation and laser heat treatment", International Conference on Nanomaterials by Severe Plastic Deformation, (NanoSPD3), Materials Science Forum, Vols.503-504, pp.461-466, (2005.9)
  
  
• Y.Todaka, M.Umemoto[poster], A.Ohno, M.Suzuki Y.Kawabata and K.Tsuchiya
  "Dissolution of cementite in carbon steels by ball drop deformation and laser heating", International Symposium on Metastable and Nano Materials, (ISMANAM-2005), gJournal of alloys and compoundsh in press, (2005.7)
  
  
• M.Umemoto[poster], Y.Todaka, M.Suzuki, E.Hernandez-Ferreiro and K.Tsuchiya
  "Dissolution of cementite by severe plastic deformation", International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials, (ISMANAM-2004), Journal of Metastable and Nanocrystalline Materials, Vols.24-25, pp.157-160, (2004.8)
  
  
• Y.Todaka[poster], M.Umemoto and K.Tsuchiya
  "Microstructural change of cementite in carbon steels by deformation", 3rd International Symposium on Designing, Processing and Properties of Advanced Engineering Materials, (ISAEM-2003), Materials Science Forum, Vols.449-452, pp.525-528, (2003.11)
  
  
• M.Umemoto[oral], Y.Todaka, T.Takahashi, P.Li, R.Tokumiya and K.Tsuchiya
  "Characterization of bulk cementite produced by mechanical alloying and spark plasma sintering", International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials, (ISMANAM-2002), Journal of Metastable and Nanocrystalline Materials, Vols.15-16, pp.607-614, (2002.9)
  
  
• M.Umemoto[oral], Y.Todaka and K.Tsuchiya
  "Mechanical properties of cementite and fabrication of artificial pearlite", The 7th International Conference on Thermomechanical Processing of Steels, (THERMECf2003), Materials Science Forum, Vols.426-432, pp.859-864, (2003.7)
  
  
• M.Umemoto[oral], Y.Todaka, T.Takahashi, P.Li, R.Tokumiya and K. Tsuchiya
  "Properties of bulk cementite produced by mechanical alloying and spark plasma sintering", International Symposium on Rapidly Quenched and Metastable Materials, (RQ11), Materials Science and Engineering A, Vols.375-377, pp. 894-898, (2002.8)