1) long-term effect
长期效应，长时作用
2) long term aging
长期时效
1.
The investigations of tensile properties of the second generation single crystal superalloy DD6 after long term aging at elevated temperature were presented.
研究了第二代单晶高温合金DD6长期时效后的拉伸性能。
2.
Microstructure character of γ′ precipitation and the corresponding thermodynamic calculation in superalloy Inconel 751 during long term aging treatment was studied.
对经过标准热处理的Inconel 751合金,在700℃和850℃进行了长期时效处理。
3.
The effect of long term aging at 950℃ for 500, 1000, 1500 and 2000 h on the microstructure and mechanical properties of alloy IC6 was investigated.
利用扫描电镜（SEM）、能谱（EDS）、透射电镜（TEM）等分析手段研究了IC6合金950℃长期时效500,1000,1500,2000h后的显微组织和力学性能。
3) prolonged aging
长期时效
1.
By means of optical and TEM microstructure analyses,room temperature and 900 ℃ tensile tests and X-ray diffraction phase and microchemical quantitative analyses,the structure and mechanical property changes of GH4199 superalloy after prolonged aging in the temperature range of 600 ℃ to 900 ℃ and time period of 100 h to 1 000 h have been investigated.
采用金相和电镜微观组织观察、室温和高温拉伸试验、物理化学相分析等综合试验方法,对经600、700、800、900℃和100、200、5001、000 h长期时效处理的GH4199合金进行测试和研究。
2.
The effect of prolonged aging on the structures and properties of coblat base superalloy GH605 has been investigated.
研究了长期时效处理对钴基高温合金ＧＨ６０５组织与性能的影响。
4) long-term aging
长期时效
1.
Microstructures and high-temperature properties of a new Ni-based superalloy after long-term aging;
长期时效对一种新型镍基合金的组织及持久性能的影响
2.
Effects of long-term aging on microstructure and room-temperature tensile property of alloy GH4586B
长期时效对GH4586B合金组织及室温拉伸性能的影响
3.
The effects of long-term aging (800-900℃,(1-10)×l03 h) on the γ′ coarsening characteristics and the mechanical properties of a corrosion resistant Ni base superalloy K44 have been investigated.
研究了一种抗热腐蚀高温合金K44在800,850和900℃经(1-10)×103h长期时效后γ′相的变化和拉伸性能。
5) long time aging
长期时效
1.
Microstructure after long time aging have been observed by means of SEM in GH169 alloys.
对GH169合金长期时效的组织结构观察表明,合金在650℃以下时效甚至长达5×10h,其组织变化并不明显,保持了良好的组织稳定性。
6) long term ageing
长期时效
1.
The effects of long term ageing to 1000h on microstructure and mechanical properties of superalloy GH783 at 750℃ were studied by testing mechanical properties and examing microstructure using optics microscope and SEM.
研究了750℃长期时效对GH783组织与性能的影响。
补充资料：长期效应
分子式：
CAS号：
性质：又称远期效应。生态效应的一种类型。指环境污染对生态的影响要经过一段时间后才显现出其生物效应的现象或症状。如使用含铅汽油的汽车排气，造成大气的铅污染；人们长期吸人含铅空气，会引起一系列的生理慢性损害，而导致铅的慢性中毒。又如汞污染引起的水俣病，镉米引起的骨痛病，氟污染造成的氟骨症以及癌症等都为污染物对机体长期效应(几年到几十年)的结果。
CAS号：
性质：又称远期效应。生态效应的一种类型。指环境污染对生态的影响要经过一段时间后才显现出其生物效应的现象或症状。如使用含铅汽油的汽车排气，造成大气的铅污染；人们长期吸人含铅空气，会引起一系列的生理慢性损害，而导致铅的慢性中毒。又如汞污染引起的水俣病，镉米引起的骨痛病，氟污染造成的氟骨症以及癌症等都为污染物对机体长期效应(几年到几十年)的结果。
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