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Sound absorption property of open-pore aluminum foams WANG Lu-cai(王录才)1, 2, WANG Fang(王 芳)2, WU Jian-guo(武建国)2, YOU Xiao-hong(游晓红)2 1. Department of Materials Science and Engineering...; accepted 15 September 2006 Abstract: The sound absorption property of aluminum foam was studied by testing its sound absorption coefficients using standing wave tube method. The open-pore aluminum......
increase, while the Cr particle size, the electrical conductivity and the density all decrease with increasing Cr content. The interrupting property of CuCr25 and CuCr30 is almost the same, whereas that of CuCr40 is the worst.Key words:CuCr contact material; microstructure; interrupting property......
焦炭热性质加和性在配煤研究中的应用张启锋1,张代林2,夏红波1,余亮3,赵梅梅1,郑明东3(1.上海市宝山钢铁股份有限公司宝钢分公司制造管理部2.安徽工业大学 煤的洁净转化与综合利用安徽省重点实验室,安徽马鞍山 2430023.安徽工业大学 冶金工程与资源综合利用安徽省重点实验室,安徽马鞍山 243002)摘 要:结合配西加煤实验,提出了配煤所涉煤种对应的焦炭热性质(反应性/反应后强度)具有加和性的观点,在对方案中所涉及的变化煤种对应的焦炭热性质数据进行假定与修正的基础上,结合各方案中煤种比例,对各方案进行比较......
: peach gum; supernatant; rheological property 1 Introduction The peach gum, a kind of transparent gum, is excreted from the trunk of Prunnus dulcis under environmental stress and belongs to edible... for leukemia, so in order to develope peach gum as a kind of new medicine, it is necessary to study its rheological property. Rheology, a branch of mechanics, is the science of studying the substance......
% and the mass ratio of SiO2 to Al2O3 was 4.5:5.5, shearing strength of SiO2-Al2O3/EP-PU was 28.5 MPa and breakdown field was 15 kV/mm, the data could meet the property requirement of insulating material.Key words:nano-SiO2; nano-Al2O3; epoxy resin; polyurethane; property......
A and then La0.8Ba0.2MnO3 is compounded with nickel nano-powders which have magnetic property, so that the microwave absorption of the composite system is enhanced greatly because of a common effect...): 753-757. [6] 孙 杰, 刘建华, 李松梅. La0.5Sr0.5MnO3 纳米晶体的制备与电磁性能研究[J]. 稀有金属材料与工程, 2005, 34(11): 1814-1817.SUN Jie, LIU Jian-hua, LI Song-mei. Synthesis and electromagnetic property of La0.5Sr0.5MnO3 nano......
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MAGNETIC PROPERTY CHANGE IN AN AUSTENITIC STAINLESS STEEL SUBJECTED TO DAMAGE AT ELEVATED TEMPERATURE - MICROSTRUCTURE RESPONSIBLE FOR MAGNETIC PROPERTY K.Aoto1,Y.Nagae1 (1.Japan Nuclear Cycle Development Institute, 4002 Narita, Oarai, Ibaraki 311-1393, Japan) Abstract:It has been found that magnetic property changes in austenitic stainless steel subjected to creep at high temperature......
and SPI model, and the LSM model gives the better understanding for the melting property of the Sn nanoparticles. Key words: Sn nanoparticle; chemical reduction; melting; size-dependent property ... with the core below the melting temperature[19]. The upper limits of the melting temperature can be obtained by LNG model. The LSM model gives a better understanding of the size-dependent property of Sn......
temperatures and at different cooling rates were studied. The result shows that the better ductility property can be achieved with 700-800 ℃ solutiong treatment and cooling by water. Key words: Ti-35Zr-10Nb; solution treatment; mechanical property Ti-35Zr-10Nb合金是一种稳定β型钛合金,具有良好的冷加工性能和极好的塑性,主要利用其优异的成形性应用于手机外壳,电脑外壳和眼镜架等民用产品.该合金由于含大量β稳定元素,相变点在650 ℃左右,其热处理一般采用固溶处理,合金性能对温度和时间以及冷却速度极其敏感,因此,对该合金的固溶处......
