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- The Mg atoms can enter the lattice of grain boundary precipitates, resulting in spheroidizing the precipitates and decreasing their stability. 镁原子可进入晶界相的单胞中,从而促使晶界相球化,并降低其稳定性。
- As shown in Fig.1, precipitates microstructure confirms that near solvus temperature precipitation can limit grain boundary precipitation. 由调整温度, 五谷降雨雪由生核能量限制并且唯一晶界降雨雪存在。
- The grain boundary precipitation of M_(23)C_6 and quasi-pealile formed were studied using optical, scanning elecfron and transmission electron microscop. 用光学、扫描和透射电镜观察研究了M_(23)C_6晶界“层状”析出和类珠光体的形成规律和组织特征。
- grain boundary precipitates 晶界沉淀物
- Keywords Super Alloy;Grain Boundary Precipitation of Carbide;GH141 Alloy;Greep Rupture Property; 高温合金;GH141合金;晶界碳化物沉淀;持久性能;
- The deformation mechanism of AZ91D superplasticity is grain boundary sliding. 挤压态AZ91D镁合金超塑性变形的主要机制为晶界滑移机制。
- grain boundary precipitate 晶界沉淀物
- Keywords super-high strength aluminum alloy;microstructure;mechanical properties;RRA heat treatment;matrix precipitate（MPt）;grain boundary precipitate（GBP）;undissolved particles; 超高强铝合金;微观组织;力学性能;RRA处理;晶内析出;晶界析出;未溶相;
- The grain boundary secondary phase is an imporrant microstructure component in AIN ceram-ics,having significant effect on thermal conductivity. 晶界第二相是AIN陶瓷显微结构的重要组成部分，对AIN陶瓷的热导率有重大的影响。
- Impurities tend to segregate at grain boundaries. 杂质常常在晶粒间界偏析。
- And the energies of interdiffusion and grain boundary diffusion have been figured out by the Arrhenius equation. 从Arrhenius方程得出互扩散及晶界扩散激活能。
- The high life LCF cracks of DZ4 superalloy favorably initiate at the transverse segment of longitudinal grain boundary. 定向凝固DZ4合金高寿命低周疲劳裂纹易于萌生于试样内部或亚表面的柱状晶界.
- In the late stage of the deformation, with the grain size growing up, the grain boundary can emit partial dislocations. 在晶界处及附近有台阶界面结构， 以及与台阶形状相对应的应力场衬度。
- In addition, a grain boundary is formed at the coalescence boundary of neighboring growth fronts. 在相邻生长前沿所形成的合并界面处形成晶界;
- Photomicrograph of alloy overheating showes fraction grain boundary coarsening and melt-back delta at first. 其过烧特征最初表现为晶界局部加宽和复熔三角形的出现。
- Two area defects are twins and grain boundaries. 有两种面积缺陷,即孪生和晶粒间界。
- As the continuous chain distribution in grain boundary of T6 state,fracture toughness and stress crossion resistance are low. T6工艺晶界为链状连续分布，断裂韧性和抗应力腐蚀性能较差；
- The element content at grain boundary of advanced Fe-based superalloy GH871 containing Nb has been studied by Perkin-Elmer PHI 595 Auger spectrometer. 利用PERKIN ELMERPHI 5 95型俄歇谱仪研究了新型含铌铁基高温合金GH871的晶界上各元素的含量。
- BN interwoven microstructure will prevent grain boundary slip and reduce the attenuation rate of high temperature strength. 氮化硼的编织状结构可阻碍晶界的滑移，降低材料高温强度的衰减率。
- Austenite grain size of plain carbon steel and alloy steel were examined by oxidization and grain boundary etching method. 采用氧化法和晶粒边界腐蚀法对几种不同的碳钢和合金钢的奥氏体晶粒的显示进行了对比试验。
