impact fatigue的例句大全

Deflection behaviors of crack growth under impact fatigue loading

冲击疲劳裂纹扩展的偏折现象

study on rotary reversal valve in variation frequency and variation distance repeated impact fatigue testing machine

变频变行程多冲碰撞疲劳试验机中旋转式换向阀的设计研究

The results show that hot-forged cast dies take thermal wear, plastic deformation, thermal fatigue, impact fatigue fracture and brittle fracture as predominant failure patterns.

结果表明，精铸热锻模的主要失效形式为热磨损、塑性变形、热疲劳裂纹、冲击疲劳破断和脆性断裂。

The reason the increase the impact fatigue at normalizing and low temperature tempering was discussed.

分析了多冲疲劳裂纹扩展的行为,讨论了正火低温回火提高冲击疲劳的原因.

The impact fatigue property of cemented carbide was studied by impact bending test in this paper.

采用冲击弯曲试验研究了硬质合金的冲击疲劳性能.

Micro cyclic deformation of low carbon steel during impact fatigue

低碳钢在冲击疲劳过程中的微观形变

Internal Pressure Measurement for Thick Wall Cylinder In Impact Fatigue Test

带内裂纹厚壁圆筒管冲击疲劳实验中内压测定技术

The experimental results show that by combining rare earth modification with heat treatment the eutectic carbide network changes into carbide piece and precipitation of granular carbide are accelerated as a result deferring crack forming time and reduce crack propagation speed and increase the impact fatigue resistance effectively.

结果表明：稀土与热处理复合作用，可加速网状共晶碳化物向孤立块状的转变，促进粒状碳化物的析出，有效地推迟裂纹产生的时间，降低裂纹扩展速率，提高其冲击疲劳抗力。

development of a system for repeated impact fatigue test

多冲碰撞疲劳试验系统的研制

The effect of rare earth on impact fatigue property of cast semi steel was studied.

研究了稀土元素对半钢冲击疲劳性能的影响.

The author also analyzed the fatigue and corrosion mechanism of liquefied gas tank in operation, and probed the fatigue and corrosion impact to liquefied gas tank in detail;

分析了营运中液化气船货舱的疲劳与腐蚀机理，并详细探讨了疲劳和腐蚀对液货舱强度的影响。

Tensile, impact and fatigue test is carried out separately for rail joint welded with gas-pressure welding. tn addition to these, fracture and metallography analysis is accomplished, too. The factors affected the quality of gas-pressure welding joint for rail are approached.

对钢轨气压焊接头进行了冲击、拉伸及疲劳试验，并进行了断口及金相分析，探讨了对钢轨气压焊接头质量的影响因素。

the mean velocity has slight impact on the wind-induced fatigue life of the structure.

平均风荷载对结构的风致疲劳寿命影响较小。

industry: tensile testing machine; bending test machine; torsion testing machine; impact testing machine; fatigue testing machine;

所属行业：拉力试验机；弯曲试验机；扭转试验机；冲击试验机；疲劳试验机；；

industry: ndt instruments; universal testing machine; hardness; strength testing machine; fatigue testing machine; impact testing machine;

所属行业：无损检测仪器；万能试验机；硬度计；强度试验机；疲劳试验机；冲击试验机；；

stress invariant criteria cannot predict the impact of stress-amplitude ratio on multi-axial high-cycle fatigue failure.

应力不变量准则的预测结果认为应力幅比的变化对疲劳失效没有影响，与试验结果不符；

the traditional gear transmission design method is fatigue strength design in constant amplitude based on the largest load in the actual gear transmission process. generally, the impact of random vibration loads to the gear transmission was not considered.

传统的齿轮传动的设计方法是按齿轮在传动过程中的最大载荷在等幅疲劳强度下的设计，一般都没有具体的考虑随机载荷波动对齿轮传动寿命的影响。

The landing impact has been recognized as a significant factor in structural fatigue damage, dynamic stress on the aircraft airframe, and crew and passenger discomfort.

而这种冲击载荷被认为是造成飞机及其起落架结构发生疲劳与振动破坏、引起乘员不舒适的重要因素。

Under the valve spring preload and seating impact force, the deformation at the site of contact accumulated more and more big, eventually leading to the valve seat fatigue failure.

气门座圈在预紧力和落座冲击力的共同作用下，在接触部位变形累计越来越大，最终导致气门座疲劳破坏。

Improvement of the Multiple Impact Contact Fatigue Resistance of Carburizing Steel

提高渗碳钢多冲接触疲劳抗力的研究