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. Key words: magnesium alloy; atmospheric corrosion; simulating acid rain; wet-dry cycle ... of time of wet-dry cycle on the corrosion of AZ91 magnesium alloy. 2 Experimental 2.1 Materials and specimen preparation AZ91D magnesium alloy was used with the composition of 8.3%-9.7% aluminum......
; Abstract: The low-cycle fatigue behaviors of AZ91HP-F... words: magnesium alloy; low cycle fatigue behavior; magnesium steering wheel frame ......
应变幅的增加,α2相的析出含量增大. 关键词:固溶处理；Ti2448；低周疲劳；超弹性；循环软化 中图分类号:TG115.5+7 文献标志码:A Effects of solid solution treatment on low cycle fatigue performance of Ti2448 ZHANG Qiang1, LI... of Material Science and Engineering, Shenyang University of Technology, Shenyang 110870, China) Abstract: The studies effects of solid solution treatment on low cycle fatigue (R=0.1) controlled......
and Fe.The characteristics of these alloys have been investigated by means of XRD, PCT, and measurement of electrochemical capacity and cycle life.The test results show that the effect of these two kinds of substituting elements on discharge capacity is Cu ＞ Fe, and the cycle life is on the contrary.Both of them have no distinct influence on activity speed, but activity speed increases......
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for magnesium produced using the Pidgeon process in China. Life cycle assessment combined with materials flow analysis was used for this study. The results show that the total materials input and direct... by the ferrosilicon production may not be disregarded. Key words: magnesium; pidgeon process; materials flow analysis; life cycle assessment 镁是一种最轻的金属结构材料. 由于其具有一系列独特的优点, 能够满足汽车工业减重, 节能, 环保以及通讯, 电子产品......
Microstructural influences on the high cycle fatigue life dispersion and damage mechanism in a metastable β titanium alloyZhihong Wu,Hongchao Kou,Nana Chen,Zhixin Zhang,Fengming Qiang,Jiangkun Fan... features on the high-cycle fatigue behavior of Ti-7Mo-3Nb-3Cr-3Al(Ti-7333) alloy is investigated. Fatigue tests were carried out at room temperature in lab air atmosphere using a sinusoidal wave......
%; 16m/s淬速快淬态合金的容量保持率从83.9%下降到65.0%. 对于x=0.45的合金, 当淬速从0(铸态被定义为淬速等于0)增加到28m/s时, 容量保持率从59.8%增加到75.8%. 关键词: 无钴AB5型贮氢合金; 快淬工艺; 微观结构; 循环稳定性 中图分类号: TG139.7 文献标识码: A Cycle stability of Co-free AB5-type... to improve the electrochemical cycle stability of the Co-free AB5-type hydrogen storage alloy, Co-free LaxMm1-x(NiMnSiAlFe)4.9 (x=0, 0.45, 0.75, 1.00, mole fraction) hydrogen storage alloys were treated......
链篦机-回转窑铁矿氧化球团焙烧过程的火用分析张宇1,冯俊小1,张材1,谢知音1,果乃涛1(1.北京市北京科技大学热科学与能源工程系)摘 要:为了降低链-回-环系统球团矿焙烧过程的能耗,对某工业装置进行了火用平衡测试和火用分析,得到了火用流图.火用分析表明,传热不可逆火用损和燃烧不可逆火用损是系统火用损的主要部分.建立了气体质流量,床层空隙率,床高,球团直径,烟气中氧含量等运行参数与火用损的关系.结果表明,适当减小气体质流量,床高和球团直径,增大床层空隙率,可以减小火用损.在其它条件不变的情况下,当烟气中二氧化碳......
