Q&P钢热处理过程有限元法数值模拟模型研究
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张清东,林潇,刘吉阳,胡树山
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Modelling of Q&P Steel Heat Treatment Process Based on Finite Element Method
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Qingdong ZHANG,Xiao LIN,Jiyang LIU,Shushan HU
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| 表1 约化温度系数的三次多项式拟合结果 |
| Table 1 The results of cubic polynomial fitting of reduced temperature coefficient |
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Time / s | Coefficient of primary temperature term | Coefficient of quadratic temperature term | Coefficient of cubic temperature term | R2 |
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| 5 | 2.98×10-4 | -6.26×10-4 | 4.64×10-4 | 0.9220 | | 25 | 4.20×10-4 | -5.74×10-4 | 4.73×10-4 | 0.9622 | | 45 | 3.56×10-4 | -1.87×10-4 | 2.06×10-4 | 0.9663 | | 65 | 3.23×10-4 | -7.66×10-4 | 9.35×10-5 | 0.9900 | | 85 | 1.85×10-4 | 4.02×10-4 | -1.69×10-4 | 0.9953 | | 105 | 1.65×10-4 | 5.59×10-4 | -3.01×10-4 | 0.9964 | | 125 | 6.53×10-4 | 8.23×10-4 | -4.44×10-4 | 0.9984 | | 145 | -4.74×10-4 | 1.07×10-3 | -6.29×10-4 | 0.9915 | | 165 | 3.53×10-5 | 9.34×10-4 | -5.21×10-4 | 0.98288 | | 185 | -1.16×10-4 | 1.39×10-3 | -8.35×10-4 | 0.9769 | | 195 | -8.92×10-5 | 1.28×10-3 | -7.49×10-4 | 0.96565 |
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