1) the ratio of percentage of γ' and γ
γ'、γ″相
1.
Acorrding to the type of the phase and the composition, the ratio of percentage of γ' and γ" phase in these GH4169 alloys which were treated under different condition was given.
用阳极选择性电解脱溶相分离方法及原子吸光法测定GH4169合金中δ、NbC、(γ′+γ″)相含量,并根据析出相的类型和组成,测定不同变形量GH4169合金中γ′、γ″相含量的比值为W_γ:W_γ≈1:3。
2) γ/γ' interface
γ/γ'相界
1.
By using the discrete variational Xα (DV-Xα) method, the electronic and bonding structures of γ/γ' interfaces with and without Ir addition in Ni-base single crystal superalloys were calculated in the framework of the first-principles theory.
采用非相对论第一原理分子轨道DV-Xα模型簇方法,计算了Ni基单晶超合金γ/γ'相界的电子结构,并从键重替聚居数(QAB)、界面原子层间的部分键合强度,以及界面原子局域环境总键合强度几个方面,对Ir合金化前后γ/γ'界面的结构稳定性、脆化特性、相间断裂的难易程度等几个方面对γ/γ'相界的结构特性进行了分析。
3) γ'phase
γ'相
1.
The influence of aging treatment on theγ′phase morphology has been studied.
研究了经不同时效热处理后一种镍基单晶高温合金γ′相的形貌。
2.
The results show that when the melt superheating temperature is 1640℃and the superheating time is increased from 30 rain to 60 min, the finer dendrite structure andγ′phase in interdendrite area are obtained,but the solidification microstructure is coarsened when t.
结果表明,当熔体超温处理温度为1640℃,过热时间由30 min增至60 min时,枝晶间距进一步减小,枝间γ相更加细小且规整,在此温度过热90 min时,将导致凝固组织粗化当熔体超温处理温度为1780℃,随过热时间由30 min延长至60 min时,枝晶间距与枝间γ′相都变大,且枝间γ′相不再规整。
3.
The effects of age heat treatment onγ′phase shape of Ni-base superalloy were investigated.
对镍基高温合金在700℃/1000h和850℃/1000h进行时效处理,在850℃/1000h时效处理基础上,进行了730℃/20h时效处理,观察了长期时效处理对合金γ′相形态的影响。
4) γ' phase
γ'相
1.
The results indicate that primary γ′ phase dissolves when the solution temperature is in the temperature range of 1 140-1 180 ℃.
结果表明:经1 140~1 180℃固溶处理后,GH742y合金中一次γ′相全部溶入基体,晶粒度明显长大到3~4级;采用(1 040±10)℃×4 h,AC+1 140℃×8h,AC+850℃×6 h,AC+(780±10)℃×(10~16)h的热处理后,获得了均匀细小的γ′相,而且合金的综合性能最佳。
2.
The results show that γ′ phase coarsens and rafts with the rise of aging temperature and time.
由于DZ951合金γ′相中含有较多的高熔点元素W,Mo和Nb等,从而提高γ′相的稳定性,增加γ′长大激活能。
3.
GH4199 alloy is a newly developed Ni-base superalloy which is precipitation hardened by an Ni_3(Al,Ti) γ′ phase with orderly fcc structure.
采用物相分析和透射电镜(TEM)方法研究了GH4199合金中不同温度长期时效处理条件下相的析出规律·结果表明,合金经长期时效处理后γ′相在700～800℃时析出比较充分,800℃以上开始回溶,γ′相在高温长期时效过程中的长大规律符合Ostwald理论,同时合金中有TCP相的析出·GH4199合金电子空位数为2 31到2 35,比镍基合金中μ相析出的临界电子空位数2 30略大,故当合金在高温下具有足够的热暴露时μ相会析出;合金的电子空位数虽不高于σ相析出的临界值,但由于γ′相的大量析出,造成合金基体中的Cr,Mo等形成σ相元素局部相对含量剧增,有可能导致σ相析出
5) Γ-phase
Γ相
1.
Influence of the Γ-phase layer on anti-pulverization ability in alloyed zinc-plated sheet;
合金化镀锌板Γ相层对粉化性的影响
6) γ' precipitates
γ'相
1.
The experiment that effect of cooling mediums on γ′ precipitates and properties in FGH96 alloy was carried out by using optical microscope(OM) and field emission scanning electron microscope(FESEM).
采用光学显微镜(OM)和场发射扫描电镜(FESEM)对FGH96合金在不同冷却介质下γ′相的析出行为进行了实验研究。
2.
The precipitation behavior of γ′ phase precipitated during cooling at different locations of a new type powder metallurgy(P/M) nickel-base superalloy disk was studied by simulating heat treatment tests on a simulator,interrupted cooling tests were applied to investigate the development of γ′ precipitates and strength of the disk in the process of cooling.
通过模拟热处理实验研究了新型镍基粉末高温合金涡轮盘在过固溶线温度热处理过程中盘件不同部位冷却γ′相的析出特征,并采用中断冷却方式考察了γ′相在冷却过程中的发展以及合金强度的变化。
3.
Cooling tests that the specimens were cooled to different interrupt temperature at the different cooling rates were car- ried out to investigate the evolution of cooling γ′ precipitates morphology in FGH4096 alloy.
采用不同的冷却速度冷却到不同的间断温度研究了 FGH4096合金中γ′相形态的演化。
补充资料：γ-octalactone
又名γ-正丁基-γ-丁内酯、4-羟基辛酸-γ-内酯、正辛内酯、l，4-辛内酯。淡黄色液体。分子量142.20。密度0.93g/cm3。沸点234℃。微溶于水、丙二醇。以l:3溶于50％乙醇；以1:2溶于60％乙醇。以1:l溶于70％乙醇。具有强烈的类似椰子的香气，味甜。
生产方法：主要采用水合法。以α-辛烯酸为原料，在硫酸存在下，进行水合反应，然后经蒸馏而得。也可以环氧-l，2-己烷和钠代丙二酸酯为原料，经合成及内酯化而得。
用途：内酯类合成香料。主要用作调合香料。
生产方法：主要采用水合法。以α-辛烯酸为原料，在硫酸存在下，进行水合反应，然后经蒸馏而得。也可以环氧-l，2-己烷和钠代丙二酸酯为原料，经合成及内酯化而得。
用途：内酯类合成香料。主要用作调合香料。
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