Abstract:
研究了Al-4.7Mg-0.7Mn-0.4Er-0.1Zr合金板材的高周疲劳性能,用升降法测试出室温下,循环基数为10~7条件下,合金的疲劳强度为293.6MPa,用扫描电镜观察了疲劳断口形貌,分析了疲劳裂纹产生的原因及其扩展过程。
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Year: 2008
Language: Chinese
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