科研之友
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摘要
Machining chips of commercially pure titanium (ASTM Grade 2) were recycled into fully dense bulk material by equal channel angular pressing (ECAP). The morphology of the oxide layer derived from chip surfaces was characterized by focused ion beam miller and transmission electron microscopy. Electron backscatter diffraction and chemical analysis were used to propose quantitatively a complex strengthening mechanism considering interstitials, ultrafine grains (with misorientation a parts per thousand yen15 deg), and subgrains (< 15 deg) substantially in existence after ECAP.
- 出版日期2013-4
- 单位上海交通大学
