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耐湿热老化
相关语句
  wet and heat ageing resistance
     Study on wet and heat ageing resistance of the building structural adhesives
     建筑结构胶的耐湿热老化性能研究
短句来源
  “耐湿热老化”译为未确定词的双语例句
     Resist to Thermal and Wetting Aging Research on T700 Carbon Fiber Composite
     T700碳纤维复合材料耐湿热老化研究
短句来源
     The tests of curing condition, resistance to medium and hydrothermal ageing showed that the J-200-1D adhesive has excellent processing properties and resistance to weathering.
     通过进一步对胶粘剂的固化条件、耐介质性能及耐湿热老化性能的考查,说明J -200- 1D胶粘剂具有优异的工艺性能及耐候性能。
短句来源
     Experimental results indicate that the cable cores of the hybrid fiber composites have good aging property. The residual bending strength of the hybrid fiber composites is more than 65% of the original one and the residual shear strength is more than 58% after the accelerated aging for 1750 hours at 80℃and RH95%.
     结果表明,该复合材料电缆芯耐湿热老化性能较好,在80℃及RH95%下老化1750h后其弯曲强度保留率大于65%,层间剪切强度保留率大于58%。
短句来源
     The effects of CNTs content on the static mechanical property, dynamic mechanical property and thermal aging properties of the composites were also investigated through changing the amount of CNTs.
     研究了CNTs的用量对复合材料静态力学性能、动态力学性能及耐湿热老化性能的影响。
短句来源
     The property of ABS sheet and cooling tower parts with damp & heat aging has been studied.
     本文研究了ABS塑料片材和冷却塔部件的耐湿热老化性能。
短句来源
更多       
  相似匹配句对
     Study on wet and heat ageing resistance of the building structural adhesives
     建筑结构胶的湿热老化性能研究
短句来源
     Resist to Thermal and Wetting Aging Research on T700 Carbon Fiber Composite
     T700碳纤维复合材料湿热老化研究
短句来源
     Study on Wet and Heat Resistant Epoxy Resin
     湿热环氧树脂的研究
短句来源
     STUDY OF WET-HOT AGING PERFORMANCE OF UNSATURATED POLYESTER RESIN MODIFIED BY ɑ-LINOLENIC ACID
     ɑ-亚麻酸改性不饱和聚酯树脂湿热老化性能的研究
短句来源
     AGING RESISTANCE MODIFICATION OF POWDER PP
     粉状聚丙烯老化改性
短句来源
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In this paper, heat resistant epoxy adhesive with curing at 200℃/2h is introduced.The adhesive has good heat re- sistant at 250℃ and wet-heat resistant, which can be used in airplane engine.

介绍了一种无溶剂200℃固化2h,耐高温250℃环氧树脂胶粘剂,具有良好的耐热和耐湿热老化性。用于航空发动机的制造和修理。

s The polyamic acid(PAA) synthesis was conducted in a low boiling point solvent consisting of tetrahydrofuran(THF) and methanol(CH 3OH)(80/20),the influence factors and using PAA to cure epoxy resin were investigated in this paper. The results showed that the adhesive strength of curing system was large at a special ratio and curing conditions. Solvents was easy to take out and wet heat and high temperature resistance were especially good.

主要研究了由THF/CH3OH( 80 /2 0 )组成的低沸点溶剂中聚酰胺酸 (PAA)的合成及影响因素 ,并通过它来固化改性环氧树脂。结果表明 :只要控制一定的配比和固化工艺 ,固化体系中的溶剂易除去 ,拉伸剪切强度大 ,耐湿热老化和耐温性能尤其突出。

The property of ABS sheet and cooling tower parts with damp & heat aging has been studied. It is showed that the properties are not changed in normal temperature water. The change of property is accelerated with raising temperature. A series of aging phenomenon of which color of ABS sheet changes to dark and the properties go bad has taken place. Macromolecule is broken more easily. Polar group and low molecule has been produced. The tensile strength and impact strength is continuously fallen with L curve. Macromolecular...

The property of ABS sheet and cooling tower parts with damp & heat aging has been studied. It is showed that the properties are not changed in normal temperature water. The change of property is accelerated with raising temperature. A series of aging phenomenon of which color of ABS sheet changes to dark and the properties go bad has taken place. Macromolecule is broken more easily. Polar group and low molecule has been produced. The tensile strength and impact strength is continuously fallen with L curve. Macromolecular cross-link has been formed much more during the middle and later period of damp & heat air aging. The change of property is slowed down and the strength has gone up again. ABS plastics are belong to the one of which humidity can accelerate the aging. It is suggested that the tensile strength and impact strength of wet ABS sample through hot water aging may be used to judge its damp & heat aging properties. The test condition and qualified target has been determined and be used in related specialized standard.

本文研究了ABS塑料片材和冷却塔部件的耐湿热老化性能。发现ABS塑料在常温水中基本无性能变化 ,升高温度则变化加剧 ,产生颜色变深、力学性能变坏等一系列老化现象。在热水老化中ABS塑料更多地发生高分子断裂 ,生成极性基团和低分子物 ,使之性能变化加剧 ,拉伸和冲击强度呈L型连续下降曲线 ;而在湿热空气老化试验的中后期则更多地形成高分子交联结构 ,使性能变化减缓 ,强度有所回升。因此ABS塑料属于“湿度促进老化类型”。提出以经过热水老化后的ABS塑料湿态试样的拉伸及冲击强度性能项目来评判它的耐湿热老化性能 ,确定了试验条件和性能合格指标 ,已采用在有关的专业标准之中。

 
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