low-temperature impact

The volume resistivity, tensile-strength and low-temperature impact brittleness of the cable material were tested, and the results indicate the cable material which filled with calcined kao.

研究了不同表面处理剂和不同比例的纳米级高岭土对电缆料的电学性能、拉伸性能和低温冲击脆性的影响。

Adding compound Nb, V can enhance the strength of steel, while plastic and low-temperature impact toughness descend smally.

其中，Nb、V复合加入在提高铸钢强度的同时，塑性和低温冲击韧性下降较少。

It has low diffusible hydrogen and good low-temperature impact toughness, suitable for welding middle-carbon steel and pressure containers of low-temperature steel.

扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。

Adding the different nanometer CeO2 content to alkali iron powder electrode, the diffusible hydrogen content, low-temperature impact and chemical composition of the weld were tested.

在碱性铁粉焊条药皮中添加不同量的纳米稀土氧化物粉体，对焊缝进行扩散氢含量、低温冲击及化学成分的测试和分析。