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首页> 外文会议>20th International Symposium on Effects of Radiation on Materials, Jun 6-8, 2000, Williamsburg, Virginia >Effect of Specimen Size on Fatigue Properties of Reduced Activation Ferritic/Martensitic Steel
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Effect of Specimen Size on Fatigue Properties of Reduced Activation Ferritic/Martensitic Steel

机译：试样尺寸对还原活化铁素体/马氏体钢疲劳性能的影响

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摘要

Small Specimen Testing Technology (SSTT) and related remote-control testing techniques are indispensable for the effective use of the limited volumes of material testing reactors and proposed intense neutron sources. As a part of this work, a new fatigue test machine with a laser extensometer for hot-cell usage has been developed. Materials used in this work were Japanese reduced activation ferritic/martensitic steel, JLF-1 (Fe-9Cr-2W-V-Ta) and its weldment. Correlations between fatigue life characteristics and fracture mechanisms were investigated for full- and mini-sized hourglass type specimens to clarify the effect of specimen size on fatigue properties. These tests revealed that there was not significant difference in the number of cycles to failure in both specimens.
机译：小样本测试技术（SSTT）和相关的远程控制测试技术对于有效利用有限数量的材料测试反应堆和拟议的强中子源必不可少。作为这项工作的一部分，已经开发出了一种新的带有激光引伸计的疲劳试验机，用于热室使用。用于这项工作的材料是日本的还原活化铁素体/马氏体钢，JLF-1（Fe-9Cr-2W-V-Ta）及其焊件。研究了全尺寸和小型沙漏型样品的疲劳寿命特性与断裂机理之间的关系，以阐明样品尺寸对疲劳性能的影响。这些测试表明，两个样品的失效循环数均无显着差异。

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