Rare earth elements improves sulfide morphology, enhances the low temperature transverse impact properties of the plate.
稀土元素改善了硫化物形态,提高了钢板的低温横向冲击性能。
The drill pipe failure assessment demonstrates the longitudinal brittle fracture will be avoided when the transverse impact power of the material is over 80J.
应用钻杆失效评估技术研究表明,横向材料冲击功大于80J将避免钻杆内螺纹接头纵向脆性开裂失效。
The mechanical properties such as fatigue, transverse impact toughness and anisotropic properties of steels treated with Ba-containing alloys are remarkably improved.
经含钡合金处理的钢材力学性能,如疲劳、横向冲击韧性和各向异性可得到显著改善。
Test results show that such steel can be mass produced with technology of a large converter plus the secondary refining, which can insure drill pipes for the transverse impact toughness.
试验表明,采用合适的冶炼工艺,大型转炉加炉外精炼能够批量生产超低硫低磷钻杆用钢,使钻杆获得高横向冲击韧性。
The dynamic characteristics of elastic plates subjected to transverse impact and non-linearly elastic & elasto-plastic cylindrical shells under axial impact loading are investigated theoretically.
然后采用增量数值解法分析了轴向冲击载荷作用下非线性弹性圆柱壳的轴对称动力响应问题。
The hysteresis and repeatability performance is improved significantly. The bias load resisting ability, the transverse impact resisting ability, and the long-term reliability have also been improved.
另外,双膜片结构传感器的抗偏载及横向冲击能力大大增强,可靠性明显提高。
The anisotropic characteristic which usually exists in materials disappeared completely especially the notch - impact toughness at the transverse direction was increased by 2-3 times.
因此在通常材料中所存在的各向异性完全消失,特别是缺口冲击韧性横向性能值提高了2~3倍。
The process of transverse low-speed impact of composite laminated plate was simulated by using finite element soft package ANSYS and method of transient analysis.
采用ANSYS有限元程序对复合材料层合板横向低速冲击进行模拟,采用瞬态分析方法来研究层合板的冲击与损伤过程。
The front impact roller causes transverse plastic compression strain in the weld which is in the brittle temperature range, which counteracts the tensile strain which leads to hot cracking.
前轮对处于脆性温度区间的焊缝金属施加一个横向挤压塑性应变,减小甚至抵消致裂的拉伸应变,防止了焊接热裂纹的产生。
The rear impact roller stretches the weld longitudinally with transverse compressive plastic deformation of the weld, thus reducing the residual deformation and stresses in the bead.
后轮将焊缝金属的纵、横向压缩塑性变形充分碾展,减小了工件的残余变形和应力。
The rear impact roller stretches the weld longitudinally with transverse compressive plastic deformation of the weld, thus reducing the residual deformation and stresses in the bead.
后轮将焊缝金属的纵、横向压缩塑性变形充分碾展,减小了工件的残余变形和应力。
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