共搜索到6585条信息，每页显示10条信息，共659页。用时：0小时0分0秒230毫秒
Properties and calculation of normal section bearing capacity of RC flexural beam with skin textile reinforcementYIN Shi-ping(尹世平)1, 2, Lü Heng-lin(吕恒林)1, 2, XU Shi-lang(徐世烺)3(1. State Key Laboratory... to enhance the service performance of the flexural element. Embedding U-shaped hoop has almost no effect on the control of the crack width. Finally, the calculation method of ultimate bearing capacity......
Thermal expansion anomaly and spontaneous magnetostriction of Gd2Fe17 compound郝延明,梁飞飞,张学敏,王芳,吴延昭College of Science, Tianjin University of Science & Technology摘 要:magnetostriction and a negative thermal expansion in Gd2Fe17 compound. The average thermal expansion coefficients was =-7.40×10-6/K in the temperature range......
Thermal expansion anomaly and spontaneous magnetostriction of Gd2Fe17 compound郝延明,梁飞飞,张学敏,王芳,吴延昭College of Science, Tianjin University of Science & Technology摘 要:magnetostriction and a negative thermal expansion in Gd2Fe17 compound. The average thermal expansion coefficients was =-7.40×10-6/K in the temperature range......
DFT calculation on relaxation and electronic structure of sulfide minerals surfaces in presence of H2O moleculeCHEN Jian-hua(陈建华)1, 2, LONG Xian-hao(龙贤灏)1, ZHAO Cui-hua(赵翠华)3, KANG Duan(康端)2, GUO... reagent with sulfide mineral surface will attract more attention.Key words:sulfide minerals surfaces; H2O molecule; relaxation; electronic properties; density-functional theory (DFT) calculation......
Influence of Al on the magnetostriction of Fe-Ga polycrystal alloys under compressive stressLong-long Liao,Mei-ling Fang,Jie Zhu,Ji-heng Li,Jian WangState Key Laboratory for Advanced Metals... was investigated,and the effects of different heat treatment conditions on the magnetostriction and microstructure of the alloy rods were also examined.The saturation magnetostriction value of Fe80Ga20 can reach......
......
粘结巨磁致伸缩颗粒复合材料的磁致伸缩性能及涡流损耗贾傲1,张天丽1,孟皓1,蒋成保1(1.北京市北京航空航天大学材料科学与工程学院)摘 要:采用模压成型,室温固化的粘结方法制备了各向同性的粘结TbDyFe巨磁致伸缩颗粒复合材料.对其组织形貌,磁致伸缩性能,动态特性,涡流损耗特性和电阻率进行了测试和分析.结果表明,TbDyFe合金颗粒尺寸为74-150μm以及150-300μm时,树脂与颗粒结合相对紧密,浸润性良好;而颗粒尺寸为0-74μm时,出现明显的不良浸润和颗粒团聚现象.TbDyFe合金的颗粒尺寸和质量分数......
Structure, Magnetic Properties and Magnetostriction of PrxTb1-x(Fe0.6Co0.4)1.9 Alloys刘何燕,李养贤,卢遵铭,孙晨光,章明,王立恒摘 要:The structure, magnetic properties and magnetostriction of PrxTb1-x(Fe0.6Co0.4)1.9 alloys were investigated. It was found that PrxTb1-x(Fe0.6Co0.4)1.9 alloys with x<0.4 were composed of single cubic Laves phase, while a mass of PuNi3-type......
in an alternating magnetic field with high frequency.However,the nonmagnetic binder impairs the magnetostriction of the composites.To achieve high magnetostriction and low eddy current loss,the mixture... size on the magnetostriction of the bonded Terfenol-D composites was also studied.The results showed that the bonded Terfenol-D composites had excellent magnetostriction when the particle size was 50-80......
......
