• 分析了文献上耐热种镍基合金断裂数据

    Creep and rupture date of five types of Nimonic alloys and four types of heat-resistant steels obtained from the literature have been analyzed.

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  • 结果表明不锈钢”鼓包”状开裂主要原因间腐蚀导致蠕变断裂

    The results shows that the main reason of stainless steel pipe cracking is that intercrystalline corrosion result in creep rupture.

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  • 文中给出壁圆筒蠕变断裂数值算例,计算结果证明算法高效正确性。

    The validity of computer program is verified and the high efficiency of the proposed algorithm is also demonstrated by the results of a thick cylinder problem subjected to an internal pressure.

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  • 匹配接头蠕变断裂位置远离焊缝界面强度母材区,延性断裂性质。

    However, the creep fracture of medium strength match joint, located in the low strength base metal remote from the weld interface, showed a ductile fracture character.

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  • P 92目前超临界机组蒸汽管道应用钢种,蠕变断裂寿命广泛关注

    The P92 steel is a steel sort being used for main steam pipelines of ultra-supercritical units at present, its creep rupture life has widely drawn close attention.

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  • 随施加应力增大,纤维增大,抗蠕变断裂时间蠕变断裂伸长小。

    The constant creep rate was increased and creep-resistance breaking time and creep breaking elongation were decreased with the increase of applied stress.

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  • 影响疲劳蠕变断裂寿命分散性因素主要层合铺设结构木材缺陷竹材结构等的影响。

    The influence factors of fracture life are composites boards lay structure, wood - lacuna, and bamboo structure.

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  • 采用受约束蠕变孔洞生长模型计算了不同试验条件下t 91钢蠕变断裂时间,计算值实测值相差不到2倍

    Results show that the ratio of calculated time to measured value is less than 2. After the modification of constrained cavity growth model, the calculated rupture time further appr...

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  • 刚玉莫来石材料断裂室温裂纹扩展控制,在高温下由蠕变机制控制。

    The rupture of corundum-mullite materials was controlled by crack at room temperature and creep at high temperature.

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  • 本文金相分析断裂力学方法研究了蒸汽管道蠕变破裂过程

    In this paper, the fracture process in creep of main steam pipeline is studied by metallographical and fracture mechanics.

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  • 晶界上形成形态复杂稳定碳化物能阻止空洞连接,从而延长蠕变第三阶段,增加了断裂时间

    The stable eutectic carbides with complex morphologyprevent coalescence of grain boundary voids and therefore prolong tertiary creep stage and rupture time.

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  • 这些工作主要讨论金属泡沫材料拉伸压缩能量吸收动态冲击失效准则本构关系疲劳断裂等力学性能。

    They are mainly concerned with the tensile and compressive behavior, energy absorption, dynamic impact, failure criterion and constitutive relation, creep, fatigue and fracture of these materials.

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  • 从中发现,蠕变程度严重区域,分形维数断裂的地方达到最小

    It follows from this that the fractal dimension is less while the creep is more serious, the value attains minimum in crack.

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  • 经过螺栓服役条件以及工作中受力情况进行分析,认为螺栓断裂主要由于长时间在高温条件下发生蠕变导致的。

    Work condition and force acting of the bolt were analyzed. The bolt failure was creep fracture mainly due to their high temperature work condition.

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  • 断裂孕育时间材料指数上覆岩层压力增大减小;裂隙扩展时间随材料的蠕变指数、上覆岩层压力的增大而减小,但随岩石强度增大增加

    Also, the crack extension time decreases with the increase of material creep index and the loading of overlying strata rock while it increases with the increase of tensile strength of roof rock.

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  • 这些工作主要讨论了金属泡沫材料拉伸、压缩、能量吸收动态冲击、失效准则、构关系、、疲劳断裂等力学性能

    The dynamic impact energies of 16MnR welded joints were determined with high speed impact test, and the influencing factors and fracture morphology were studied.

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  • 利用ANSYS工具,可以分析半导体非线性特性其中包括封装焊接蠕变以及过孔设计中的断裂疲劳层间开裂

    Semiconductor analysis with ANSYS tools often incorporates nonlinear behaviors, including package warpage, solder joint creep, fracture in through-silicon-via designs, fatigue and delimitation.

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  • 利用ANSYS工具,可以分析半导体非线性特性其中包括封装焊接蠕变以及过孔设计中的断裂疲劳层间开裂

    Semiconductor analysis with ANSYS tools often incorporates nonlinear behaviors, including package warpage, solder joint creep, fracture in through-silicon-via designs, fatigue and delimitation.

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