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The Influence of Loading Cycle and Environment on Fatigue Crack Propagation in T6246 Alloy

机译:加载周期和环境对T6246合金疲劳裂纹扩展的影响

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摘要

Fatigue crack growth tests on Ti-6Al-2Sn-4Zr- 6Mo(Ti6264) alloy were carried out at 773K with either cyclic and dwell waveforms in air, an intermediate vacuum and high vacuum. Results for the DEN (Double Edge Notch) specimens showed that the fatigue crack Growth rate with the dwell waveform was the highest Among the various waveforms presently studied.
机译:对Ti-6Al-2Sn-4Zr-6Mo(Ti6264)合金进行了疲劳裂纹扩展测试,测试结果为在773K空气中具有循环和驻留波形,处于中等真空和高真空状态。 DEN(双边缘缺口)样品的结果表明,在当前研究的各种波形中,具有驻留波形的疲劳裂纹增长率最高。

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