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Failure Analysis on Fracture of Steering Gear Case Bolts 会议论文
International Conference on Failure Analysis and Prevention, 1995-6
Authors:  Hong YS(洪友士);  Lv YH(吕永华)
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吉普汽车转向机固定螺栓断裂失效分析 期刊论文
机械工程材料, 1992, 卷号: 16, 期号: 1, 页码: 53-58
Authors:  吕永华;  洪友士;  李云笃;  厉小静
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转向机固定螺栓  预紧扭矩  疲劳裂纹  
一种等应力试样中的疲劳短裂纹行为 期刊论文
金属学报, 1990, 卷号: 26, 期号: 1, 页码: A46-A52
Authors:  洪友士;  吕永华;  郑哲敏
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等应力试样  疲劳短裂纹  焊接金属  
Short Fatigue Crack Behaviour in Iso-Stress Specimens 期刊论文
Acta metallurgica Sinica. Series A, Physical metallurgy & materials science. A, 1990, 卷号: 3, 页码: 276-281
Authors:  Hong YS(洪友士);  Lv YH(吕永华);  Zheng ZM(郑哲敏)
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等应力试样中的疲劳短裂纹特征 会议论文
细观力学试验技术与计算方法研讨会, 中国西安, 1989-6
Authors:  洪友士;  吕永华;  郑哲敏
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