A study has been done over the small crack growth rate for kinds of carbon steels under push pull and rotating bending.

对多种碳素钢在拉伸压缩和旋转弯曲负载下的微小裂纹扩展速率进行了研究。

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The growth and disappearance of induced martensite plates under bending stress have been also directly observed by the optical microscope.

用光学显微镜直接观察了合金在弯曲时应力诱发马氏体的增长和消失过程。

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Mechanical characteristic of ct is studied. The model of bending, internal pressure strength and external collapse strength, diametric growth and stuck-point of ct is established.

研究了连续油管的工作力学特性，建立了连续油管弯曲、抗内压强度和外部挤毁压力、直径增长、纵向伸长及卡点位置分析计算模型。

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Deficit reduction and bending the debt growth curve down is also extremely important for the United States.

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In addition, addressing our long-term growth trends will require structural and curve-bending reforms that are politically less likely to be present in a smaller package.

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