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Microstructure and High-Temperature Oxidation Behavior of Dy-Doped Nb–Si-Based AlloysYue-Ling Guo,Li-Na Jia,Hua-Rui Zhang,Bin Kong,Yong-Lin Huang,Hu ZhangSchool of Materials Science and Engineering, Beihang University摘 要:Microstructures and oxidation behaviors of four Dy-doped Nb–Si-based alloys at 1250℃ were investigated. The nominal compositions......
Rietveld refinement, microstructure and high-temperature oxidation characteristics of low-density high manganese steelsZhenyi Huang1,2,Yueshang Jiang1,2,Along Hou1,2,Ping Wang1,2,3,Qi Shi2,3,Qingyu... University of Technology3. Industrial & Commercial College, Anhui University of Technology摘 要:Three forged low-density high manganese steels Mn28Al10,Mn28Al8......
Effect of Cerium on High-Temperature Oxidation Resistance of 00Cr17NbTi Ferritic Stainless SteelXin Li1,2,Liqing Chen1,Hongyun Bi21. State Key Laboratory of Rolling and Automation, Northeastern... of cerium addition on the isothermal oxidation behavior of 00Cr17 NbTi ferritic stainless steel was studied at temperature up to 1,000 °C for 100 h in air. The results show that cerium additions can......
an external protective alumina layer. References [1] HOUNGNIOUC, CHEVALIER S, LARPIN J P. High temperature oxidation behavior of iron-aluminide diffusion coatings [J]. Oxid Met, 2006, 65: 409-439. [2] GUILEMANY J M, CINCA N, DOSTA S, LIMA C R C. High-temperature oxidation of Fe40Al coatings obtained by HVOF thermal spray [J]. Intermetallics, 2007, 15: 1384-1394. [3] GUILEMANY J M, LIMA C R C......
High-temperature Oxidation Behavior of a High Manganese Austenitic Steel Fe–25Mn–3Cr–3Al–0.3C–0.01NXiaoyun Yuan,Yantao Yao,Liqing ChenState Key Laboratory of Rolling and Automation, Northeastern... Evolution synchronous differential thermal analysis apparatus, the scanning electron microscope(SEM), the electron microprobe(EPMA) and the X-ray diffraction(XRD), the high-temperature oxidation behavior......
Effects of Nb and Si on high temperature oxidation of TiAl JIANG Hui-ren(姜惠仁)1, WANG Zhong-lei(王中雷)1, MA Wen-shuai(马文帅)1, FENG Xiao-ran(冯晓然)1, DONG Zi-qiang(董自强)1, ZHANG Liang(张 亮)2, LIU Yong(刘... for improving the high temperature oxidation resistance of TiAl alloy than alloying with Nb or Si alone[10]. However, the mechanism of the effect of both Nb and Si is not clearly understood. In this work......
避免涂层在氧化过程中的剥落.BSE和EDS分析表明,在涂层与基体界面处形成一层致密的Al2O3保护膜,有效地防止合金基体的高温氧化. 关键词:γ-TiAl合金;复合溶胶-凝胶法;防护涂层;高温氧化 中图分类号:TF 804.3 文献标志码:A Preparation and high-temperature anti-oxidation... and TiAl3/TiN as nano-powders. The effect of coatings on the high-temperature oxidation behavior of TiAl alloys and its anti-oxidation mechanism were discussed based on isothermal and cyclic oxidation experiments......
有效地阻止裂纹向基体扩展. 关键词: 铌合金; 硅化物涂层; 二硅化钼; 包渗法; 高温抗氧化 中图分类号: TG174.44 文献标识码: A Histology and high-temperature oxidation resistance of molybdenum disilicide coating XIAO Lai-rong, CAI Zhi-gang, YI Dan.... The structure of the coating represent good high-temperature oxidation resistance and thermal shock resistance. The vacancy zone between the reservior layer and two-phase zone alleviates the heat stress......
better high temperature oxidation resistance. The phases distribution of oxidation scale from the outside to the inside is SiO2→Mo5Si3→MoSi2. Key words: MoSi2; relative density; diffusion; oxidation...] predicted a change in oxidation kinetics from linear law at a low temperature to parabolic law at a high temperature based on the differences of bulk and grain boundary diffusivity in MoSi2. Most......
. It is important to study the high-temperature oxidation resistance of SC superalloys because of their actual working environments. In a previous paper, WU and NARITA[12] have studied the effect...[J]. Surf Coat Technol, 2007, 202: 140-145. [13] WEINBRUCH S, ANASTASSIADIS A, ORTNER M, MARTINZ H P, WILHARTITZ P. On the mechanism of high-temperature oxidation of ODS superalloys: Significance......