• 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失效由金刚石沿(111)解理引起

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  • Its explicitly explained how the cleavage step pattern is formed by the cleavage crack intersecting with screw dislocation.

    本文对解理台阶形成模型——解理裂纹位错交割模型进行了诠释。

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  • 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.

    低温解理断裂物理模型中,最重要确定解理裂纹形成中的临界事件

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  • Under the second critical load, the regions, where the three criteria are satisfied, are overlapped each other and cleavage crack is nucleated and propagates.

    第二临界载荷下,三个判据满足区域相互重叠解理裂纹扩展。

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  • The fractography of the fatigue crack initiation displayed cleavage facet and more second cracks after pre-training.

    裂纹形成断裂为穿晶解理机制,预应变可导致更多二次裂纹

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  • 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.

    缺口试样中,解理断裂临界事件铁素体晶粒尺寸裂纹扩展进入基体,不随试样尺寸宽度变化

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  • 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非金属夹杂物,低应力作用形成微裂纹成为源,加之焊缝组织中存在大量MA结构群,从而发生焊缝金属室温下的解理断裂

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  • 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.

    解理断裂典型脆性断裂,解理断裂也是一个裂纹萌生扩展过程机制与位错和晶粒有关

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  • 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解理特征裂纹扩展最后阶段塑性撕裂特征。

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

    前方可能发生形变晶,裂纹沿孪晶界扩展。

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  • The fracture shows quasi-cleavage, which does not exist porosity and crack.

    断口表现为混合断裂,没有气孔裂纹存在

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  • The fracture shows quasi-cleavage, which does not exist porosity and crack.

    断口表现为混合断裂,没有气孔裂纹存在

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