1) super low cycle
超低周
1.
The effects of notch radius on strain fatigue and stress fatigue curves in the case of super low cycle are analyzed, which shows that strain fatigue curve can more accurately reflect the characteristics of super low cycle than stress fatigue curve.
分别分析了切口半径对超低周应变疲劳和应力疲劳曲线的影响，得出应变疲劳曲线比应力疲劳曲线更能反映超低周疲劳特性的结论。
2) extra-low cycle fatigue
超低周疲劳
1.
Under the subsidy of the talents project fund of Gansu Province and academic step & characteristic study of Lanzhou University of Technology, the extra-low cycle fatigue (ELCF) fracture design for middle carbon steel (MCS) under axial loading was investigated in this paper, the available parameters to the application of crack theory in engineering was obtained.
在甘肃省人才工程基金和兰州理工大学学术梯队及特色研究方向基金资助下,开展了中碳钢材料轴向加载条件下的超低周疲劳断裂设计研究,为裂纹技术在工程中的应用提供有价值的工艺参数。
3) low cycle
低周
1.
To predict life of multiaxial low cycle fatigue more conveniently,a multiaxial low cycle fatigue damage parameter is proposed based on the crack extension characteristics and changes of the maximum shear strain and the corresponding normal strain on the maximum shear stain plane and the maximum shear strain plane is considered as the critical plane.
为了更简便地预测多轴低周疲劳寿命,通过分析裂纹扩展特点和最大剪应变面上的最大剪应变和相应的法向应变变化特点,提出以最大剪应变平面作为损伤临界平面,将最大剪应变和相应的法向应变作为基本的多轴疲劳损伤参数,建立了基于临界面法的多轴低周疲劳损伤参量。
2.
Combined with Instron1343 fatigue test bed, the low cycle fatigue crack growth rate-test system was developed.
结合Instron1343疲劳试验机开发了低周疲劳裂纹扩展速率试验系统。
4) over-low
超低
1.
Optimize the support of over-low and over-weighted beam formwork by using PDCA theory
运用PDCA理论优化超低及超重梁模板支撑
5) low cycle fatigue
低周疲劳
1.
Study on fracture and intermediate temperature low cycle fatigue property of ladle shell material SM490B;
钢包材料SM490B钢断裂及中温低周疲劳性能研究
2.
Low Cycle Fatigue Behavior of ZL101 Aluminum Alloy;
ZL101铝合金低周疲劳行为研究
3.
Investigation of low cycle fatigue behavior of 16MnR steel at elevated temperature;
16MnR钢中温低周疲劳行为研究
6) low cyclic fatigue
低周疲劳
1.
The research on low cyclic fatigue behaviors was carried out at 400 ℃ for two kinds of Zr-alloys(1#, Zr-1Sn-0.
结果表明,2#合金的低周疲劳性能优于1#合金的低周疲劳性能。
2.
Fully reversed low cyclic fatigue (LCF)tests were conducted on [0 0 1], [0 1 2],[1 1 2], [0 1 1] and [11 4] oriented single crystals of nickel-based superalloy DD3 with different cyclic strain rates at 950℃.
在 ９５０℃ｔ对［０ ０１］、［０１２］、［１１２］、［０１１］和［１１４４］晶体取向的镍基单晶超合金 ＤＤ３试样进行了对称循环低周疲劳（ＩＣＦ）试验。
3.
Termal infrared imagery was u3ed to measure the surface temperature field of planar 40CrNiMoA steel specimens in low cyclic fatigue with thermal analysis provided.
通过红外热象仪对４０ＣｒＮｉＭｏＡ板试样在低周疲劳过程中的表面温度场测量及热分析计算；得到了试样表面热耗率的分布及其变化规律。
补充资料：超低界面张力
分子式：
CAS号：
性质：关于油水体系界面张力，一般把10-1到10-3mN/m算作低界面张力，将10-3mN/m以下的称超低界面张力。超低界面张力在第三次采油中具有重要意义。研究表明，在注水驱油中，如果使界面张力降低三个数量级，就可以使地层残油体积减少一半，若能使界面张力降低四个数量级，理论的驱油率可达100％。
CAS号：
性质：关于油水体系界面张力，一般把10-1到10-3mN/m算作低界面张力，将10-3mN/m以下的称超低界面张力。超低界面张力在第三次采油中具有重要意义。研究表明，在注水驱油中，如果使界面张力降低三个数量级，就可以使地层残油体积减少一半，若能使界面张力降低四个数量级，理论的驱油率可达100％。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条