1) thermal aging
热老化
1.
High performance sealing rubber used for ships (Ⅲ) Study on thermal aging properties of fluorinated rubber vulcanizate;
舰船用高性能密封橡胶研究 (Ⅲ)氟橡胶硫化胶热老化性能研究
2.
The promising effects could be obtained by using different thermal aging tec.
为了探索改善刨花板力学性质的途径,采用全因素试验方法,对刨花板进行热老化处理。
3.
In thermal aging,some plasticizers in the film were evaporated and the PVB chains were broken;but in photo aging,the PVB chains were crosslinked into a larger PVB chain and only a small number of PVB chains were broken.
利用红外光谱和力学性能的变化研究了聚乙烯醇缩丁醛薄膜的热老化和紫外光老化机理,结果表明,在热老化及紫外光老化过程中,PVB薄膜的拉伸强度均是先增大然后再减小。
2) thermal ageing
热老化
1.
0%) in the course of thermal ageing in 1.
0 g/L的污水溶液中,在180小时热老化过程中水解度和溶液黏度(30℃)的变化。
2.
The thermal ageing index in the current PE standard is unable to accomplish review in a short time, recommend and carry out the test method of quick inspection using some concrete engineering regulation and well-known enterprise's product performance index of foreign countries for reference.
现行PE标准中热老化指标无法在短期内完成评价,借鉴国外一些具体工程规定及知名企业产品的性能指标,推荐进行快速检验的试验方法。
3.
The thermal ageing experiment for aeronautical PMMA of YB-DM-3 was done under 50 ℃ atmosphere condition for nearly 70 days.
在50℃热空气条件下对航空有机玻璃YB-DM-3进行了近70 d的热老化实验,发现有机玻璃的抗拉强度随老化时间的延长而增加。
3) Heat Ageing
热老化
1.
Research on Heat Ageing of Polysulfone Modified Phenolic Resin Reinforced with Glass Fiber;
聚砜改性酚醛树脂玻纤增强模塑料的热老化研究
2.
Study on heat ageing of chloroprene rubber;
氯丁橡胶热老化性能的研究
3.
Mechanical properties of polysulfone modified phenolic resin reinforced with glass fiber during heat ageing of 500 hours at 200℃ and 230℃ are mainly discussed.
研究了聚砜改性酚醛树脂玻纤增强模塑料在200℃、230℃,时间为500h的热老化过程中所发生的力学性能变化情况。
4) heat aging
热老化
1.
Influence of Heat Aging on Attenuation of PMMA Polymer Optical Fiber;
热老化对PMMA塑料光纤损耗的影响
2.
The heat aging properties of rigid PVC are studied by means of mechanical properties test, SEM and FT-IR.
采用力学性能测试、扫描电镜、红外光谱(FT-IR)等方法研究了硬质聚氯乙烯的热老化性能。
5) thermal ageing
热老化;加热老陈
6) hygrothermal aging
湿热老化
1.
By studying and summing up the common failure physical models and combining with the quantum mechanics theory on the relationship between the electronic equipment aging reaction rate and tempreture-humidity,a hygrothermal aging life model for solid propellant storage and usage is established with the propellant mechanical properties as the research object.
通过对常用失效物理模型的分析和总结,结合量子力学理论关于电子产品老化反应速率与环境温、湿度的关系,以推进剂力学性能参数为研究对象,建立了固体推进剂贮存使用寿命的湿热老化模型,并通过试验数据拟合得到具体的经验公式。
2.
The hygrothermal aging behavior of the CF /epoxy NOL rings in distilled water at 35℃, 55℃, 65℃and 75℃was analyzed in terms of the absorption characteristics, static and dynamic mechanical properties.
本论文旨在碳纤维缠绕复合材料压力容器的加速湿热老化方案的设计以及储存寿命预测提供基础数据,并对其寿命预测进行初步研究。
3.
In this paper, the standard accelerated hygrothermal aging spectrum for military aircraft composite structures is given based on the domestic climatic environment and the developing aircraft properties, and the aging effects for our composite material system are systematically studied, and the conclusion for guiding and modifying the structure design are given.
本文根据我国气候环境和在研型号性能,编制了适用于军机复合材料结构的标准加速湿热老化谱,并系统研究了国产材料体系的老化效应,得出了指导和修改结构设计的有益结论。
补充资料：热老化
分子式：
分子量：
CAS号：
性质：聚合物受热而性能变劣的过程。大多数聚合物的热老化是由光、氧和受热共同作用所引起的降解和交联反应。降解会引起变软、发粘；交联则使材料变硬、发脆。例如顺丁橡胶的热老化会使其交联、变硬而失去弹性。
分子量：
CAS号：
性质：聚合物受热而性能变劣的过程。大多数聚合物的热老化是由光、氧和受热共同作用所引起的降解和交联反应。降解会引起变软、发粘；交联则使材料变硬、发脆。例如顺丁橡胶的热老化会使其交联、变硬而失去弹性。
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