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本文研究了不同的形变时效处理对LY12铝合金应力腐蚀开裂性能的影响。利用扫描电镜和透射电镜观察了各种形变时效状态试样应力腐蚀开裂的断口形貌及其微观组织,探讨了形变提高LY12铝合金应力腐蚀开裂抗力的原因。 相似文献
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SiC(p)/Al composites(volume fraction of SiC V_f=30~40%)were manufactured successfully bysqueeze casting,and its properties were investigated.The reinforcements distributed homogeneously andbonded tightly with the matrix in the material.Compared with the matrix alloy Grade 6061,the elasticmodulus of SiC(p)/6061 composite is increased by 1.17 times,the tensile strength increased by 27%,whilethe coefficient of thermal expansion is decreased by 51%. 相似文献
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