1) low temperature performance
低温性
1.
Aiming at the disadvantage of fluoroubber's poor low temperature performance,the vulcanizated fluoroether rubber was made with PL855 and GLT band fluoroether rubber with good low temperature performance.
针对普通氟橡胶耐低温性差的缺点,以低温性好的PL855、GLT两种牌号氟醚生胶为基体制备了氟醚硫化胶。
2.
This work is focused on the improvement of gelled batteries used for E-bikes,and the improved products have shown the beneficial efforts on the following characteristic performances: cycling life,high rate discharge,deep discharge,low temperature performance and recovery capability after overdischarge.
着重介绍改进的胶体铅蓄电池在低温性能、循环寿命、大电流放电、深放电及过放电恢复能力等方面所显示出来的优良特性。
2) low temperature toughness
低温韧性
1.
Study on low temperature toughness and microstructure on base metal and welded joint of X80 pipeline steel;
X80管线钢及其接头的低温韧性和显微组织
2.
Influence of different thermal cycle on low temperature toughness in coarse-grained HAZ of 9Ni steel
多次热循环对9Ni钢热影响粗晶区低温韧性的影响
3.
Results show that 20MnMoD forging at-50 ℃ has excellent low temperature toughness,it is adapted to-50 ℃ 15MnNiNbDR steel plate for low temperature pressure vessels.
结果表明,-50℃的20MnMoD钢锻件具有良好的低温韧性,可与-50℃级正火型低温压力容器钢15MnNiNbDR配套使用。
3) low-temperature toughness
低温韧性
1.
Effect of CO_2 content on low-temperature toughness of weld metal of high strength steel in MAG welding;
CO_2含量对高强钢MAG焊焊缝金属低温韧性的影响
2.
A series of Charpy impact tests were done to investigate low-temperature toughness of its weld joints,and the values of toughness were measured at different temperatures to make sure of some temperature ranges that normally correspond to different toughness values.
采用系列冲击试验对接头低温韧性进行了研究。
3.
This steel has been verified excellent in weldability and low-temperature toughness,and no crack is formed in t≤50 mm plates after welding even without preheating or with slight preheating before welding.
结果表明：该钢具有优异的焊接性能和低温韧性；板厚≤５０ｍｍ的钢板焊前不预热或稍加预热而不产生焊接冷裂纹，是制造大型压力容器（特别是低温和常温球罐）、水电站压力钢管和水轮机蜗壳、高寒地区使用的大型工程机械、大跨度桥梁及海上采油平台等装备的理想用材。
4) cryogenic toughness
低温韧性
1.
The lathing martensite increases with the improvement of quenching temperature,the yield strength tempered at 600 ℃ improves,but the cryogenic toughness of 9Ni steel decreases.
随着淬火温度的提高,组织中出现的板条马氏体增多,经600℃回火后屈服强度逐渐提高,但低温韧性呈降低趋势。
2.
The heat treatment processes of large scale forge were simulated and the effects of the different heat treatment processes on the cryogenic toughness at -30 ℃ of Steel 2.
25V钢-30℃冲击韧性的影响,结果表明经调质预处理后的低温韧性随再奥氏体化温度的升高而降低,而经1200℃正火预处理后进行1040℃奥氏体化,不仅有利于碳氮化物充分溶解与合金元素的均匀化,同时有利用奥氏体的自发再结晶细化晶粒并获得较高的低温韧性。
3.
The effect of ESR on cryogenic toughness was investigated by means of TEM and SEM.
2 5 N奥氏体钢电渣重熔前后的冲击韧性、氢含量及夹杂物含量 ,并利用扫描电子显微镜和透射电子显微镜研究了电渣重熔对该钢低温韧性的影响。
5) low-temperature modification
低温改性
1.
Study the low-temperature modification of PCB, including mechanical property to find the influence of the different low-temperature on impact strength, flexural strength, shear strength of PCB.
实验结果表明在-30℃左右平均功率下降得较快,冷却5min对低温改性最有利。
6) low temperature performance
低温性能
1.
Research progress of low temperature performance for lithium-ion batteries;
锂离子蓄电池低温性能研究进展
2.
Research on low temperature performance of modified asphalt and mixture of bridge expansion joints;
改性沥青伸缩缝结合料与混合料低温性能研究
3.
Influence factors analysis of the low temperature performance of SBS modified asphalt;
SBS改性沥青低温性能的影响因素分析
补充资料：低温性能
分子式：
CAS号：
性质：材料处于深冷(低于-150℃)状态下的性能称为低温性能，包括材料在该状态下的物理状态、机械性能及光、电、热等方面。很多聚合物的物理性质随温度的不断降低而发生显著变化。一般情况下，低温状态下高聚物材料的抗张强度、压缩强度、挠曲强度和弹性模量较高，而柔性、延伸性、热膨胀系数及比热等较低。抗冲强度、导热系数的变化较难确定。高聚物的低温性能与低于次级转变温度下的弛豫过程有关。
CAS号：
性质：材料处于深冷(低于-150℃)状态下的性能称为低温性能，包括材料在该状态下的物理状态、机械性能及光、电、热等方面。很多聚合物的物理性质随温度的不断降低而发生显著变化。一般情况下，低温状态下高聚物材料的抗张强度、压缩强度、挠曲强度和弹性模量较高，而柔性、延伸性、热膨胀系数及比热等较低。抗冲强度、导热系数的变化较难确定。高聚物的低温性能与低于次级转变温度下的弛豫过程有关。
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