镍基高温合金疲劳裂纹急速扩展敏感温度及成因
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Sensitive Temperature and Reason of Rapid Fatigue Crack Propagation in Nickel-Based Superalloy
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图5 GH4720Li合金修正后的da / dN-ΔKnorm曲线
Fig.5 Corrected da / dN-ΔKnorm curves of GH4720Li alloy (ΔKnorm—corrected ΔK)