片语

cleavage fracture mechanisms解理断裂机理

cleavage fracture strength解理断裂强度

mechanism of cleavage fracture解理断裂机理

brittle cleavage fracture脆性解理断裂

the cleavage fracture strength解理断裂强度

ideal cleavage fracture理性脆性断裂

cleavage-like fracture似解理断裂

local cleavage fracture stress局部解理断裂应力

transgranular cleavage fracture穿晶解理断裂

英汉例句

• the critical event for cleavage fracture in notched specimens is the propagation of a ferrite grain-sized crack into the matrix, and is independent of specimen sizes and widths.

  在缺口试样中，解理断裂的临界事件是铁素体晶粒尺寸的裂纹扩展进入基体，不随试样尺寸和宽度变化。

• for notched specimen, the critical event of cleavage fracture determined by ferrite grain size is the propagation of a grain-sized crack into a neighboring grain.

  对于缺口试样，铁素体晶粒尺寸对材料的解理断裂起决定性作用，临界事件是：铁素体晶粒尺寸的微裂纹扩展进入相邻的铁素体晶粒中。

• the nucleated cracks cannot propagate and the cleavage fracture cannot be triggered.

  因此形核的裂纹因不能扩展而不能引发解理断裂。

• at 25℃, the number of enabled slip systems were few and only slip systems on basal plane were activated, and transgranular cleavage fracture was observed.

  时合金仅以基面进行滑移，可启动的滑移系少，合金的断裂机制为穿晶解理断裂；

• according to the analysis of sem spectrogram, the isintegration of molybdenite is the result of comprehensive effect of brittle cleavage fracture and plastic-brittle noncleavage laceration.

  据sem图谱分析，辉钼矿的解离是经解理型脆性断裂和非解理的塑-脆性断裂效应综合的结果。

• the present work shows that there is a linear correlation between the cleavage fracture stress and the yield stress in the above mentioned materials at low temperature of -196c.

  还发现在零下196℃下解理断裂应力与屈服应力之间存在良好的线性关系。

• studies indicate that fracture of cast irons is different from brittle cleavage fracture of steels.

  研究结果表明，铸铁的断裂与钢的脆性解理断裂不同。

• the cutting tool was characterized by intercrystalline fracture attributed to fatigue and partial cleavage fracture in the machining process.

  聚晶金刚石刀具在加工过程中的磨损机理主要表现为具有疲劳磨损特征的沿晶断裂及局部解理断裂。

• local cleavage fracture might happen in the front of crack tip.

  裂尖前方可能发生形变孪晶，裂纹沿孪晶界扩展。

• the fractures of the alloys change from dimple to cleavage fracture with river pattern.

  合金的断口形貌由韧窝向河流花纹状的解理形貌转变。

• the results showed that nonmetallic inclusions in weld seam served as crack initiation site under external bend load, and large amount of m a structure resulted in cleavage fracture of weld seam.

  结果表明，焊缝金属中存在的非金属夹杂物，在低应力作用下形成微裂纹成为裂源，加之焊缝组织中存在大量的ma结构群，从而发生焊缝金属在室温下的解理断裂。

• cleavage fracture is a typical brittle fracture and also a process consisted of crack producing and spreading, and the mechanism is related to dislocation and crystalline grain.

  解理断裂是典型的脆性断裂，解理断裂也是一个裂纹萌生和扩展的过程，其机制与位错和晶粒有关。

• experimental results showed that the ratio of cleavage fracture to ductile fracture on fracture surface increased gradually with increasing hydrogen concentration and decreasing stress or strain rate.

  结果表明：随氢浓度增加、应力减小或应变速率降低，试样断口逐渐从韧性断口向脆性断口过渡；

• moreover, to explain the cleavage fracture in ductile materials also needs the development of strain gradient theory.

  以及为韧性材料中的解理断裂现象提供一种合理的解释，都需要发展应变梯度理论。

• the cleavage fracture of the notched specimens with various sizes and widths is mainly controlled by the criterion of normal stress.

  不同尺寸和宽度的缺口试样的解理断裂主要由正应力判据控制。

• fractographic observations showed that hydrogen could induce surface cracks for smooth specimens and a cleavage fracture pattern for notch specimens at rt.

  破断面观察结果显示，在室温中，氢气会导致平滑试片在表面形成裂纹，而在凹槽试片中产生劈裂破坏形态。

• the local cleavage fracture stress is mainly determined by the length of the critical microcrack.

  细观解理断裂应力主要由临界裂纹的长度决定。

• in the neighbourhood of the unhealed porosities the alloy matrix appeared to be embrittled and in certain cases cleavage fracture was observed.

  未锻合疏松周围的合金基体有一定变脆倾向，有时可以观察到解理断口。