• 高温变过程中,开动非基面位错

    During the creep test, some basal dislocation changed non-basal dislocation.

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  • 透射电镜观察第二阶段过程亚结构化。

    The dislocation substructure during secondary stage of creep has been examined by TEM.

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  • 本文试验依据揭示冻结黄土拉伸蠕变过程若干特点

    Some deformation characteristics of tensile creep revealed by a test of frozen saturated loess are presented in this paper.

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  • 试验结果表明,破裂砂岩变过程与煤一般蠕变规律相似

    The results show that creep law of fractured sandstone is similar to those of the general creep characteristics of coal and rock.

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  • 方法试验数据进行加工得到蠕变过程中的试验损伤曲线

    Experimental damage curves during creep are obtained as a result of test data processing by the suggested method.

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  • 研究结果表明:软蠕变过程结构逐渐破损结构趋向稳定过程

    The results show that the creep process is the gradual structural damage and structure trends to be stable.

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  • 过程粘塑性主导,因而其三轴蠕变曲线没有出现渐进流动阶段

    Because of the dominance of viscoplastic deformation in the creep process, creep curves under triaxial compression behave without the third phase of atypical creep curve, viz.

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  • 加入合金过程中的蠕变量及出现蠕变温度应力范围增大

    The negative creep deformations during compressive creep and the range of temperature and stress at which negative creep occurred increased after adding some Mn to ZA27 alloy.

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  • 红砂岩加速变过程具有高度非线性蠕变随时间呈现跳跃增长特性

    The accelerative creep shows highly nonlinear characteristics; and the creep strain rate displays a discontinuous form, which occurs in jumps change.

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  • 加入稀土合金变过程中的蠕变量及出现蠕变温度应力范围增大

    The negative creep deformations increased after adding some rare earths to ZA27 alloy, and the ranges of temperature and stress at which the negative creep occurred extended.

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  • 蠕变过程出现主要结构纤维重排、富碳界面氧化以及基质晶体生长

    The main structure changes in the creep process were fiber rearrangement, the oxidation of the C-rich interfacial layer and crystal growth within the matrix.

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  • 利用自制破碎岩体多相耦合试验装置研究饱和破碎泥岩蠕变过程孔隙规律

    The variation law of saturated broken mudstone porosity during creep process is studied by using the self-developed multiphase coupling creep test device.

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  • 同时,对变过程蠕变化情况也进行相关的合,显示出板岩蠕变率逐步减小稳态蠕变过程,取得较好成果

    The creep rate of the slates are also fitted. The results show that the creep rate decreases gradually until it reaches the steady rate.

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  • 外加应力突然降低后,在瞬时蠕变过程发生弹性滞弹性,整个降载过程中的应化值与应力化值成线性关系。

    During the transient creep after stress decrease, it has been found that the total strain transient consists of two components, elastic strain and anelastic strain.

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  • 实例计算表明:该模型对沉降预测精度高合理反应出土颗粒骨架蠕变过程,且能给出不同时刻次压缩量,在实际工程具有一定的参考价值

    It is proved that the new model holds higher prediction accuracy and can reasonably reflect the creep course of soil framework. Hence, it has referential value to practical engineering.

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  • 实例计算表明:该模型对沉降预测精度高合理反应出土颗粒骨架蠕变过程,且能给出不同时刻次压缩量,在实际工程具有一定的参考价值

    It is proved that the new model holds higher prediction accuracy and can reasonably reflect the creep course of soil framework. Hence, it has referential value to practical engineering.

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