鍛造Ⅱ

[307] The effect of reduction rate on the formation of ultrafine grains of pure titanium under thermomechanical treatment

*朴 亨原¹, 朴 賢祐², 金 勁賢³, 柳本 潤⁴ (1.公立小松大, 2.東大, 3.牧野フライス製作所, 4.東大)