The results showed that during drawing wire the cleavage crack of diamond in crystal face(111)is the main reason.
拉丝过程中金刚石模子的失效是由金刚石沿(111)面解理引起的。
Its explicitly explained how the cleavage step pattern is formed by the cleavage crack intersecting with screw dislocation.
本文对解理台阶的形成模型——解理裂纹与螺位错交割模型进行了诠释。
In low temperature cleavage physical model, it is of Paramount importance to ascertain the nature of the critical event in the formation of a cleavage crack.
在低温解理断裂的物理模型中,最重要的是确定解理裂纹形成中的临界事件。
Under the second critical load, the regions, where the three criteria are satisfied, are overlapped each other and cleavage crack is nucleated and propagates.
在第二个临界载荷下,三个判据都满足的区域相互重叠,解理裂纹形核并扩展。
The fractography of the fatigue crack initiation displayed cleavage facet and more second cracks after pre-training.
裂纹形成的断裂为穿晶解理机制,预应变可导致更多的二次裂纹。
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。
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。
According to the observed morphology on the fracture surface, the fracture surface had pseudo-cleavage feature and plastic tearing feature in the last stage of crack growth in high magnification.
高倍下观察断口发现有准解理特征,在裂纹扩展最后阶段有塑性撕裂特征。
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 fracture shows quasi-cleavage, which does not exist porosity and crack.
断口表现为混合断裂,没有气孔和裂纹存在;
The fracture shows quasi-cleavage, which does not exist porosity and crack.
断口表现为混合断裂,没有气孔和裂纹存在;
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