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are the following:(1) eight types of precipitates can be observed in the alloy;(2) of these precipitates,the T1-phase is most stable.The S-phase precipitates with segregated Li atoms at their interfacial edges......
-modified) 430 SS displays a 7–8μm tungsten alloying layer with a body-centered-cubic structure. The W-modified surface also shows a better hydrophobicity with contact angle of 93.5° and a lower interfacial......
interfacial bond between matrix and reinforcements and a better distribution of the reinforcements.关键词:......
contents and Al2 O3-based ceramic moulds was presented in this paper.It was found that the increase of Re content inhibited the interfacial reactions to some extent.With regard to the 0,1.5 and 3 Re alloys......
22MnB5钢表面微观形貌对界面换热系数的影响常颖1,2,李树娟2,唐行辉2,李晓东2,王存宇3,赵坤民1,21. 大连理工大学工业装备结构分析重点实验室2. 大连理工大学汽车工程学院3. 钢铁研究总院特殊钢研究所摘 要:为了探究冲压压强和样件表面粗糙度对22MnB5钢板的界面换热系数(Interfacial heat transfer coefficient,以下简称IHTC)的影响,自主设计了圆台试验模型,利用Beck非线性估算法,求解热成形工艺中高温样件与低温模具间界面换热系数.实验中通过调整冲压压强和改变样件表面粗糙度的方式,进而改变模具与样件间接触表面微观形貌,探究其对IHTC的影响.研究表明:压强与IHTC存在高度近似的正幂函数关系;粗糙度也会对IHTC产生影响,并且当粗糙度大于1μm时......
with cement paste,the abovereactive groups will link with Ca+2 in the paste,which will result in an early stage hydration ofcement in interfacial areas.In addition,theexperiments show that the rheological......
[Ca2+] solubility decreases from 40 ppm to 11.5 ppm, which could result from the change of interfacial property and morphology of hydrated apatite crystal caused by absorption of TTCH on the apatite......
Evaluation of Sub-microstructure in Concrete with Low Water-binder Ratio by SEM-BSE Image Analysis钱春香1,2,巴明芳1,21. School of Materials Science and Engineering, Southeast University2. Jiangsu Key Lab of Construction Material摘 要:The coarse pore system, interfacial transition zone (ITZ) between aggregate and paste matrix and volume fraction of unhydrated......
blending in a twin screw extruder. Scanning electron microscopy (SEM) observation on the fracture surfaces of the nanocomposites showed not only a uniform dispersion of AT-PU but also a strong interfacial......
throughout the NR matrix as single tube and present a great interfacial adhesion with NR phase when MWCNTs contents are less than 3 wt%.Moreover,the addition of the MWCNTs brings about the remarkable......
