1) Ni-base single crystal superalloy
镍基单晶高温合金
1.
Effect of heat treatment on microstructure and stress rupture life of Ni-base single crystal superalloy;
热处理对镍基单晶高温合金微观组织和高温持久性能的影响
2.
Theoretical estimation and experiments methods were adopted to discuss the characteristics of element distribution in γ and γ′phases of Ni-base single crystal superalloy.
用测算的办法分析了镍基单晶高温合金中γ和γ′相元素的分布特征。
3.
The tensile creep tests were conducted on a Ni-base single crystal superalloy with [110] orientation under the conditions of 1040 ℃/150 MPa and 850 ℃/500 MPa,respectively.
研究了一种[110]取向的镍基单晶高温合金在1040℃、150 MPa和850℃、500 MPa条件下的蠕变性能、蠕变过程中γ′相的形貌演变以及γ′相的筏化机理,并对拉断后试样的纵向截面进行了SEM形貌观察。
2) Nickel-base single crystal superalloy
镍基单晶高温合金
1.
The influence of Cobalt, Tungsten, and Titanium on stress-rupture properties of Nickel-base single crystal superalloy has been investigated using orthogonal arrays experimental design.
采用正交实验设计方法,探讨了Co,W和Ti及其含量对镍基单晶高温合金持久性能的影响,通过数学分析,对合金成分进行了优化。
2.
The anisotropy of compression creep strength in a nickel-base single crystal superalloy was investigated.
研究了镍基单晶高温合金压缩蠕变强度的各向异性。
3.
Effects of section sizes on microstructure of a nickel-base single crystal superalloy have been studied by making directly thin-wall specimens whose wall thicknesses are 0.
5mm的单晶薄壁试样,研究了一种镍基单晶高温合金凝固组织的截面尺寸效应。
3) Ni-based single crystal superalloy
镍基单晶高温合金
1.
The effects of DC electric current on the precipitation ofγ′-phase in a Ni-based single crystal superalloy were studied.
研究了不同直流电流密度条件下一种镍基单晶高温合金中γ′相的析出行为。
2.
The tensile properties at room temperature and stress-rupture properties at high temperature of a kind of Ni-based single crystal superalloy grown under a DC field were measured.
采用电场凝固技术在自制电场定向凝固装置上进行电场单晶生长,研究了直流电场对一种镍基单晶高温合金室温拉伸性能和高温持久性能的影响。
3.
The Ni-based single crystal superalloy was bonded by the transient liquid phase(TLP) bonding using Ni-15Cr-3.
5B非晶合金箔带作为中间层合金对镍基单晶高温合金进行瞬态液相(TLP)连接。
4) nickel base single crystal superalloy
镍基单晶高温合金
1.
Artificial neural network prediction for the amount of TCP phase of Re-containing nickel base single crystal superalloys;
用人工神经网络法预测含Re镍基单晶高温合金中TCP相的含量
2.
Based on an advanced neural network method and a huge number of creep rupture life data of nickel base single crystal superalloys, an artificial neural network model is constructed to predict creep rupture life for different types of nickel-base single crystal superalloys.
根据大量镍基单晶高温合金在不同温度和应力下的蠕变断裂寿命数据,采用一种先进的人工神经网络方法建立运算模型,对合金在不同实验或运行条件下的蠕变断裂寿命进行了预测,并将测算结果与现有其它方法进行了比较。
3.
According to the service conditions and structural characteristic of nickel base single crystal superalloy,the finite element method is used for establishment of mathematical model.
针对镍基单晶高温合金的服役条件和结构特点,采用有限元方法建立数学模型,有限元分析时用热膨胀系数代替正负错配的选择,用柔度矩阵的计算表达单元各向异性,并计算静水压力(hydrostaticpressure)及等效应力(von Mises stress)分布,研究负错配的情况下镍基高温合金在[111]取向上受载时γ′颗粒的定向粗化行为,结果表明γ′颗粒的粗化方向及形态依赖于应力轴取向。
5) Ni base single crystal superalloy
镍基单晶高温合金
1.
Ni base single crystal superalloys of three kinds of Mo content were prepared by screw selecting method.
采用螺旋选晶法制备镍基单晶高温合金,研究了Mo含量(质量分数)分别为2％,3％,4％时合金的显微组织和高温持久性能。
2.
The creep deformation mechanisms of a Ni base single crystal superalloy at 760 ℃ /780 MPa and 982℃ /248 MPa were studied by a transmission electron microscopy (TEM).
对一种镍基单晶高温合金在两种蠕变条件下(760℃/780 MPa和982℃/248 MPa)的变形机制进行分折。
6) single crystal nickel-based superalloy
单晶镍基高温合金
1.
The creep curve of the single crystal nickel-based superalloy was fitted and predicted by modified θ projection concept.
采用修正的θ函数影射概念对单晶镍基高温合金的蠕变曲线进行了拟合和预测。
补充资料：镍基单晶高温合金
镍基 单 晶 高温合金具有优良的高温性能，是目前制造先进航空发动机和燃气轮机叶片的主要材料。为了满足高性能航空发动机的设计需求，多年来，各国十分重视镍基单晶高温合金的研制和开发。20 世 纪 80年代以来，单晶高温合金一直沿着其独特的道路发展。随着合金设计理论水平的提高和生产工艺的改进，相继出现耐温能力比第1代单晶合金分别大约高30℃和60℃的第2代单晶合金和第3代单晶合金;第2代单晶高温合金的代表有pwa1484(') ,c msx一4(2).等，第3代单晶高温合金的代表有cmsx一loll',cm sx一11(0),r e nen6(5)等。研究表明[(6)，第3代单晶高温合金cmsx一10的耐温能力比第2代单晶合金cmsx -4(最高使用温度约(1163cc)的大约高3090，其使用温度可达1204℃左右，同时，还具有十分明显的蠕变强度优势。近年来出现的第4代单晶合金rr3010的承温能力达到11800c('1，用在英国rr公司最新研制的trent发动机上。re的加入以及hf,y ,la ,ru 等元素的合理应用，使新的单晶合金的持久性能和抗环境性能均有明显的提高。
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