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本文阐述了GC—11钢板平面应力断裂韧性Kc的测试及用图解法计算Gc然后转换为Kc的原理,并对常温下此钢Kc值与回火温度的关系进行了分析,具有一定的理论意义和实用价值。
In this paper, the test of plane stress fracture toughness Kc of GC-11 steel and the principle of calculating Gc and Kc with graphic method are described. The relationship between Kc value and tempering temperature at room temperature is analyzed, which has some theoretical significance And practical value.