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针对10Ni3CrMoV钢和10Ni8CrMoV钢进行了解理裂纹开始温度T0和夏比冲击韧脆转变温度TCVN的测定,并将两种试验结果进行了比较。发现10Ni8CrMoV钢的T0温度很低,考虑到测试结果的不确定度,T0接近-151℃。
For the 10Ni3CrMoV steel and 10Ni8CrMoV steel, the cleavage onset temperature T0 and the Charpy impact ductile-brittle transition temperature TCVN were measured, and the results of the two tests were compared. The T0 temperature of 10Ni8CrMoV steel was found to be very low, taking into account the uncertainty of the test results and T0 approaching -151 ° C.