金属材料的强度与应力-应变关系的球压入测试方法1)
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张志杰, 蔡力勋, 陈辉, 包陈, 刘晓坤
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SPHERICAL INDENTATION METHOD TO DETERMINE STRESS-STRAIN RELATIONS AND TENSILE STRENGTH OF METALLIC MATERIALS1)
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Zhang Zhijie,Cai Lixun,Chen Hui,Bao Chen,Liu Xiaokun
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| 表4 不同材料抗拉强度的预测 |
| Table 4 Predictions of tensile strength for di_erent materials |
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| E/GPa | ^y/MPa | n | tensile results | spherical indentation | % | | 5052-H24 | 68.0 | 71.50 | 0.249 0 | 219.3 | 222.8 | 1.62 | | 5083-H116 | 70.3 | 76.60 | 0.280 0 | 284 | 270.2 | 4.87 | | 6061-T6511 | 71.1 | 351.7 | 0.071 0 | 394.4 | 387.4 | 1.79 | | 7075-T6511 | 73.4 | 602.6 | 0.083 5 | 672.2 | 658.7 | 2.00 | | P92 | 210 | 469.6 | 0.135 1 | 714.0 | 715.8 | 0.25 | | 16Mn | 195 | 153.6 | 0.258 8 | 531.8 | 519.7 | 2.28 | | 16MnR | 209 | 219.1 | 0.2146 | 553.6 | 555.8 | 0.41 | | 30Cr | 197 | 740.0 | 0.085 1 | 886.1 | 891.5 | 0.61 | | T91 | 195 | 625.0 | 0.1073 | 809.6 | 833.3 | 2.93 | | SA302B | 215 | 431.2 | 0.1041 | 585.9 | 583.5 | 0.42 | | A508-III | 211 | 376.1 | 0.165 7 | 675.5 | 672.4 | 0.46 |
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