Mg-9Gd-4Y-0.6Zr合金过时效硬度变化的灰色预测

CHEN Bu-xiang, ZHANG Xin-ming,DENG Yun-lai

MINING AND METALLURGICAL ENGINEERING(2008)

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Abstract
采用灰色系统理论中的非等间隔灰色预测建模方法对在275、300 ℃下进行非等间隔时效处理下Mg-9Gd-4Y-0.6Zr合金硬度试验数据进行了数值拟合和预测,结果表明,灰色预测结果与原始数据结果比较吻合;非等间隔灰色预测建模方法应用于非等间隔时效处理下Mg-9Gd-4Y-0.6Zr合金硬度试验数据处理中是可行的,有较高的预测精度,满足good级.
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