1) Praescriptio triginta annorum (=Praescriptio longi temporis)
三十年时效(最长时效)
3) long-time aging
长时时效
1.
Mechanical properties and microstructure changes of a new developed 718 alloy after long-time aging at 680℃;
新型718合金680℃力学性能与长时时效组织变化
4) 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。
5) 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。
6) 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。
补充资料：长岑长
1.《后汉书．崔骃传》﹕"宪(窦宪)擅权骄恣﹐骃数谏之。及出击匈奴﹐道路愈多不法﹐骃为主簿﹐前后奏记数十﹐指切长短。宪不能容﹐稍疏之﹐因察骃高第﹐出为长岑长。"李贤注﹕"长岑﹐县﹐属乐浪郡﹐其地在辽东。"后用以称颂不为权贵所容之官吏。
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参考词条