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with lath martensite matrix which contain numbers of nucleation sites. 关键词:transmission electron microscopy; quasicrystal; R-phase; Laves phase; precipitation; ferritic steel; [全文内容正在添加中] ......
current pulsed electron beam and the microstructure, hardness and tribological characteristics were characterized by scanning electron microscopy, electronic microanalysis probe microanalysis, Knoop...-Pb alloy are correspondingly improved largely. Optical observation and scanning electron microscopy analysis reveal that the low wear rate and lowest level in coefficient of friction at high load level......
and antibacterial activity test The surface morphology and cross section of the coated Mg alloys were seen under Hitachi S4160 field emission scanning electron microscopy machine. In the meantime, elemental... was attributed to the presence of ZrO2 nanoparticles which decelerate E. coli growth as a result of E. coli membranes. Key words: Mg alloy; ceramics; coating materials; microstructure; scanning electron......
scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and electron backscattered diffraction (EBSD) and compared with the conventionally manufactured form...A yttrium-containing high-temperature titanium alloy additively manufactured by selective electron beam meltingLU Sheng-lu(逯圣路)1, 2, 3, TANG Hui-ping(汤慧萍)2, M. Qian(马前)2, 4, HONG Quan(洪权)2, ZENG Li......
轨道交通车辆用6005A合金板材时效析出及硬化行为研究杨文超1,汪明朴1,盛晓菲1,张茜1,王正安2(1.湖南省长沙市中南大学材料科学与工程学院2.中南大学 教育部有色金属材料科学与工程实验室)摘 要:采用透射电子显微镜(TEM),高分辨透射电子电镜(HRTEM)和硬度测试等手段对轨道交通车辆用6005A合金板材的单级时效工艺,脱溶沉淀过程中显微组织的演变以及β″相的晶体结构和取向关系进行研究分析.结果表明:合金经175℃时效12 h达到硬度峰值,随后在较长时间内可以保持一个硬度平台;在脱溶沉淀初期,合金中主要......
of 0.20% C low carbon steel. Surface layers of the samples bombarded by explosive electron beam at different pulses was observed by using electron microscopy. The physical model of the thermal-stress... Surface treatment of 0.20% C carbon steel by high-current pulsed electron beam XU Guo-cheng(徐国成)1, FU Shi-you(付石友)2, GUAN Qing-feng(关庆丰)1 1. Key Laboratory of Automobile Materials, Ministry......
on mineral processing to examine materials at nanoscale. Traditional optical microscopy has been displaced by micro-zone and micro-beam technologies, such as electron microscopy and electron probe... J. Cent. South Univ. (2018) 25: 1295-1305 DOI: https://doi.org/10.1007/s11771-018-3826-4 Hydration film measurement on mica and coal surfaces using atomic force microscopy and interfacial......
钢中细小夹杂物的研究方法探讨齐江华1,2,吴杰3,索进平2,薛正良4,付兵4,田青1(1.湖北省武汉市武汉钢铁(集团)有限公司2.湖北省武汉市华中科技大学3.武汉钢铁(集团)公司研究院,湖北武汉 4300804.武汉科技大学,湖北武汉 430081)摘 要:以氧化物冶金领域中研究最为广泛的钛脱氧产物为例,通过扫描电镜(SEM)对金相试样和电解夹杂物的观察,大样电解萃取夹杂物后X射线衍射(XRD)分析,金属薄膜法制样的透射电镜(TEM)分析,采用离子减薄技术后的电子背散射衍射(EBSD)分析和通过采用RTO法制样......
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transfer between the master mold and patterned films.X-ray diffraction and high-resolution transmission electron microscopy confirm the perovskite structure of the patterned PZT.Piezoresponse force...Sol-Gel Based Soft Lithography and Piezoresponse Force Microscopy of Patterned Pb(Zr0.52Ti 0.48)O3 MicrostructuresLining Lan 1) ,Shuhong Xie 1,3) ,Li Tan 2) and Jiangyu Li 3)? 1) Key Laboratory......