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金属学报  2002 

淬态晶相对块状Zr-Al-Ni-Cu非晶合金疲劳断裂的影响

, PP. 265-268

Keywords: 块状Zr-Al-Ni-Cu非晶合金,淬态晶相

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Abstract:

研究了带有淬态晶相块体非晶合金的对称循环疲劳断裂.结果表明,粗大的晶相促进疲劳裂纹的萌生,而完全非晶试样及带有细小晶相试样的裂纹萌生于样品的表层.非晶基体断口为典型的非晶疲劳条纹,在晶相处为典型的瞬断断口形貌.非晶基体疲劳条纹的间距远大于晶体疲劳条纹的间距.

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