brittle crystal 中文意思是什麼
brittle crystal
解釋
脆性晶體-
The fractorgraphy analysis show that in the layer rich in w and mo, the feature of fracture is brittle fracture which follow the bordline of crystal. in sections rich in the felt metal, the feature of fracture is ductile fracture. in w - mo layer, the feature of fracture are brittle fracture and some ductile fracture
斷口形貌特徵研究表明，富w區、富mo區主要為沿粒界脆性斷裂；粘結金屬發生韌性斷裂； w - mo混合區為顆粒的沿粒界脆性斷裂和粘結相的韌性斷裂的混合型斷裂；富ti區為典型的穿晶解理斷裂； mo - ti混合區以穿晶解理斷裂為主，顆粒邊界表現出準解理斷裂特徵。 -
Diamond saw blade is a tool which is widely used in cutting hard brittle materials, such as stone, concrete, glass, crystal, graphite electrode and so on
金剛石鋸片廣泛地應用於切割石材、混凝土、玻璃、水晶、石墨電極等硬脆材料。 -
However the study of metal - oxide hetero - interface is relatively less because the properties of metals and oxides usually differ extremely from each other. contrary to metals, the oxides are usually very brittle, elastically stiffer, insulating and exhibit less thermal expansion and their crystal lattice constants are different from metals. moreover, the preparation of specimen of metal - oxide interface is very difficult, the observation of searching a suitable interface under the electron microscope is also a tedious work
然而，對金屬-氧化物界面結構的研究卻相對少一些，這主要是由於金屬與氧化物之間的性質相差非常大，與金屬相反，氧化物通常很脆、絕熱、熱膨脹系數小，晶格常數也不同於金屬，有的甚至相差很大，而且，制備金屬-氧化物界面比較困難，在電子顯微鏡下全面地觀察一個合適的界面也是一項令人乏味的工作。
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