The whole procedure of plain strain arrest toughness K Ia on several traditional ship steel was introduced. The values of plain strain arrest toughness K Ia at different temperatures were obtained.
针对几种常用的压力容器用钢和舰船钢介绍了平面应变止裂韧度试验的全过程，得到了几种材料不同温度下的平面应变止裂韧度值。
The whole procedure of plain strain arrest toughness K Ia on several traditional ship steel was introduced. The values of plain strain arrest toughness K Ia at different temperatures were obtained.
针对几种常用的压力容器用钢和舰船钢介绍了平面应变止裂韧度试验的全过程，得到了几种材料不同温度下的平面应变止裂韧度值。
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