#author("2020-12-23T16:55:00+09:00","","") *Research topics [#hc584705] **(1) Entropy control : High Entropy Alloys [#ud7504b0] #ref(https://t-nagase.sakura.ne.jp/EN/pict-new/KenkyuNew-00-04.png,left,around,nowrap,photo); -''[[High Entropy Alloys]]'' -''[[High Entropy Cast Iron]]'' -''[[High Entropy Alloys for metallic biomaterials (BioHEAs)]]'' -''[[Light-Weight High Entropy Alloys]]'' -''[[High Entropy Brass]]'' -''[[Eutectic High Entropy Alloys]]'' -''[[High Entropy Alloys with HCP structure]]'' -''[[Solidification microstructure in High Entropy Alloys]]'' -''[[Liquid phase separation in High Entropy Alloys>Liquid phase separation#jafae7ff]]'' -''[[Irradiation damage in High Entropy Alloys]]'' #clear **(2) Entropy control : Electron knock-on effect by fast electron irradiation [#w70d0513] #ref(https://t-nagase.sakura.ne.jp/EN/pict-new/KenkyuNew-00-05.png,left,around,nowrap,photo); -''[[High Voltage Electron Microscopy]]'' -''[[Electron knock-on : Solid state amorphization (SSA)]]'' -''[[Electron knock-on : Crystallization (Grass-to-Crystal transition)]]'' -''[[Electron knock-on : C-G-C transition (Crystal-to-Grass-to-Crystal transition)]]'' #clear **(3) Entropy control : Electronic excitation by electron irradiation [#g31ed1b1] #ref(https://t-nagase.sakura.ne.jp/EN/pict-new/KenkyuNew-00-06.png,left,around,nowrap,photo); -''[[Metal/SiOx interface : Synthesis of silicides>Synthesis of silicides at metal/SiOx interface]]'' -''[[Metal/SiOx interface : Amorphous phase foramtion>Formation of metallic amorphous at metal/SiOx interface]]'' -''[[Metal/SiOx interface : Crystallization of amorphous phase>Crystallization of metallic amorphous at metal/SiOx interface]]'' #clear **(4) Entropy control : "Conctituent elements" + "lattice defect" [#i18910e1] #ref(https://t-nagase.sakura.ne.jp/EN/pict-new/KenkyuNew-00-07.png,left,around,nowrap,photo); -''[[Irradiation damage in High Entropy Alloys]]'' #clear **(5) Solidification (Casting) and materials development [#w79145b2] #ref(https://t-nagase.sakura.ne.jp/EN/pict-new/KenkyuNew-00-08.png,left,around,nowrap,photo); -''[[Solidification : Cast iron>Cast Iron]]'' -''[[Solidification : Ti Alloys>Ti casting alloys]]'' -''[[Solidification : Silidices for thermoelectronic materials>Silidices for thermoelectronic materials]]'' -''[[Liquid phase separation]]'' -''[[Melt-extraction methods for wire fablication]]'' -''[[In-situ TEM observation of the initial process of dendrite growth]]'' #clear **(6) Solidification (Additive manufacturing) and materials development [#qc1c9128] #ref(https://t-nagase.sakura.ne.jp/EN/pict-new/KenkyuNew-00-09.png,left,around,nowrap,photo); -''[[Additive manufacturing : Ti alloys>Additive manufacturing of Ti alloys]]'' -''[[Additive manufacturing : High Entropy Alloys>Additive manufacturing of High Entropy Alloys]]'' #clear **⑦ Development of solidification / casting experience teaching materials [#tc4933c5] #ref(https://t-nagase.sakura.ne.jp/EN/pict-new/KenkyuNew-00-10.png,left,around,nowrap,photo); -''[[Experiences of casting]]'' #clear