It is shown that a regular pattern distribution of scattered alloying zones which surrounded by phase transformation zone can retard the fatigue crack growth rate and improve the fatigue life.
研究表明，大量规则分布、互不重叠的合金化区及其周围的相变硬化区从总体上降低了疲劳裂纹扩展速率，提高了材料的疲劳寿命。
The magnetic field distribution of three-phase dry-type reactor with air-core is calculated. Regular curves of magnetic-field distribution in some conditions are also presented in this paper.
对干式空心电抗器三相运行时的磁场分布进行了计算，并给出了几种情况下磁场分布的规律曲线。
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