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devices[J]. Metallic Functional Materials, 2020, 27(4): 55-60. [7] 刘兵飞, 刘艳艳, 周 蕊. 航空发动机变形齿的新材料设计与力学性能[J]. 材料导报, 2020, 34(2): 2117-2122, 2158. LIU Bing-fei, LIU Yan-yan, ZHOU Rui. Innovative material...形状记忆合金的应用进展[J]. 中国材料进展, 2016, 35(12): 919-926. HUANG Hai-you, WANG Wei-li, LIU Ji-li, et al. Progress on the applications of Cu-based shape memory alloys[J]. Materials China, 2016, 35(12): 919-926......
al [2], Zr by TZENG et al [3], Ni and Mn by ABDELAZIZ et al [4], and Mn and Fe by WANG et al [5], is an efficient approach to improve the elevated temperature tensile properties of heat- resistant Al... exposure at 200 °C. TZENG et al [3] found that the Zr addition improved the elevated temperature tensile properties of A357 alloys after thermal exposure at 250 °C, which can be attributed to the formation......
Trans. Nonferrous Met. Soc. China 31(2021) 2372-2387 Prediction of fracture limits of Ni-Cr based alloy under warm forming condition using ductile damage models and numerical method Ayush MORCHHALE1... were carried out at 300 and 673 K to determine the safe forming and fracture limits of IN625 alloy. The experimentally obtained strain-based fracture forming limit diagram (FFLD) was transformed......
] AKIRA N, MESSING G L. Liquid-Phase sintering of alumina coated with magnesium aluminosilicate glass[J]. Journal of the American Ceramic Society, 1996, 79(12): 3199-3210. [16] GLEITER H, MARQUARDT P... system and technology[J]. Journal of the Society of Powder Technology Japan, 1993, 30(5): 790-802. [79] ZHAN Guo-dong, JOSHUA K, WAN Ju-lin, JAVIER G, AMIYA K M. Alumina-based nanocomposites consolidated......
宽度.吴臣国等[19]报道,掺杂Mo的ZnO薄膜的光学禁带Eg随着载流子的浓度的增加而增大至3.8eV,其透明导电膜在可见光范围内平均透射率大于85%,折射率为1.853,消光系数为7.0×10-3(550 nm).张化福等[20]制备的ZnO:Zr多晶薄膜为六角纤锌矿结构,且具有c轴择优取向,当厚度为300 nm时,薄膜的光学禁带Eg为3.83 eV,可见光的平均透过率超过92%,电阻率为...): 306-310.ZHANG Hua-fu, LIU Han-fa, YUAN Chang-kun, LEI Cheng-xin. Low temperature growth and properties of Al-Zr Co-doped ZnO films[J]. Chinese Journal of Vacuum Science and Technology, 2010, 30(3......
陶瓷化机理进行了相关研究. 1.3 反应熔体熔渗法 反应熔体熔渗法(RMI)是指在一定的气氛下熔融金属(Si,Zr等)通过毛细管作用浸入多孔C/C预制体中并与气氛或基体炭反应生成陶瓷基复合材料的方法.RMI法具有设备简单,制备周期短,成本低,残余孔隙率低(2%~5%)以及可以近净成形的优点,极具市场竞争力[38].但是,通过RMI法制备的C/C复合材料会对纤维造成一定的损伤,降低了纤维...过RMI法熔渗Zr2Cu制备了Cf/ZrC复合材料,认为在1800 ℃下热处理时会由于ZrC颗粒间的烧结而提高材料的断裂韧性.但奇善等[38]研究了不同孔隙度的C/C 多孔体在熔渗过程中的增密行为和渗Zr后的相组成及显微组织以及C/C-ZrC 复合材料的烧蚀性能,认为密度为1.40 g/cm3的多孔体熔渗效果最佳,且其在3000 ℃下烧蚀60 s后质量烧蚀和线烧蚀速率分别为0.0090 g/s和......
): 1798-1807. HOU Wen-rong, ZHANG Zhi-hao, XIE Jian-xin, MA Qing-mei, GAI Hong-tao. Temperature inhomogeneity on cross section of Al alloy hollow profile based on reverse point tracking method[J]. The Chinese.... Study on the lubricities of glass and graphite in the deformation processing of the alloy TC4 at high temperatures[J]. Rare Metal Materails and Engineering, 2000, 29(4): 239-241. [42] BAKHSHI-JOOYBARI......
and 2.0B. Subsequent experimental and numerical studies also verified that the optimum depth of the first reinforcement layer was indeed within this range [4, 18, 29]. Based on their extensive review... these layers, the effective depth of reinforcement and the shape of the footing. Based on the results of the aforementioned experimental studies, it appears that the optimal depth for the first......
], Zr [22,23], Ta [24] and their alloys to form functional ceramic coatings with various properties. PEO is normally considered to be not suitable for non-valve metals such as steels and copper... as working area for subsequent PEO treatment. The PEO power supply and the experimental arrangement were the same as those in our pervious paper [30]. PEO treatment was carried out in a 1 L glass vessel......
, 1999, 288(1/2): 217?225. [2] JURCZYK M, SMARDZ L, OKONSKA I, JANKOWSKA E, NOWAK M, SMARDZ K. Nanoscale Mg-based materials for hydrogen storage[J]. Int J Hydrogen Energy, 2008, 33(1): 374?380. [3.... [17] MARLO M, MILMAN V. Density-functional study of bulk and surface properties of titanium nitride using different exchange-correlation functionals[J]. Phys Rev B, 2000, 62(4): 2899?2907. [18......
