crack-arrest property

The results of crack tip opening displacement tests showed that the crack resistance of 16MnR weld metal was much better than that of the HAZ,which proved that the 16MnR had good crack arrest property.
從裂紋張開位移試騐結果可以看出,供試的16MnR鋼銲縫的抗開裂性能明顯優於熱影響區,可見其具有良好的止裂性能。