Journal of Phase Equilibria&DiffusionRaghavan V. Al-Fe-Mn-Si (Aluminum-Iron-Manganese-Sili- con). J Phase Equilib Diffus. 2007;28(2):215-7.V. Raghavan, Al-Fe-Mn-Si (Aluminum-Iron-Manganese-Sili- con), J. Phase Equilibria Diffus., 2011, 32, p 255-257...
采用Calphad方法对Al-Fe-Mn-Si四元系及其子体系进行热力学评估。首先,通过考虑文献中最新的实验研究结果以及对部分三元化合物应用新的热力学模型,修正Al-Fe-Si三系的热力学描述,显著地改善了整个成分范围内、尤其是富Al角的液相面投影图。随后,对三元化合物a-AlMnSi和β-AlMnSi采用新的模型...
本文利用高压烧结和放电等离子体烧结工艺合成了Al-Fe和Al-Mn-Si两个准晶体系的一系列复杂金属间化合物。主要利用单晶X射线衍射技术对一些析出物的晶体结构进行了解析和精修;利用第一性原理计算研究了Al-Fe体系中新相的机械稳定性、动力学稳定性和热力学稳定性以及能带、态密度和电子局域函数等相关性质;利用拓扑学分析...
Crystal structureIntermetallic alloys and compoundsMicrostructureSolidificationEnhance information about the formation of Fe-rich intermetallics in the Al-Fe-Mn-Si system.Characterizes the crystal structure type and chemical composition of the τhphase in the Al-Fe-Mn-Si system.Enhance the available data...
TWlP钢马氏体相变 形变孪晶 力学性能在室温下对Fe-(15~25)Mn.3Si-3A1钢进行静态拉伸,通过X射线衍射、TEM、SEM观察对塑性变形中孪晶以及εhcp,αbbc马氏体的形成进行了研究。结果表明,随着Mn含量的增加,孪晶形成逐渐起主导作用;TWIP钢表现出高的抗拉强度(650~1100MPa),高的应变硬化率和极高的伸长率(20%~90...
The α-Al(Fe,Mn)Si compound in an Al-7Si-0.35Mg-0.2Fe-xMn cast alloy has two shapes, a needle-like shape and a Chinese script shape. These two kinds of compounds are tinged with either white or gray tones irrespective of their shape. Unlike compounds with a white tone, during solutio...
菱锰矿主要含有MnCO3,还含有少量Si、Fe、Ni、Al等元素,硫酸溶矿MnCO3和稀硫酸反应生成硫酸锰,同时得到硫酸亚铁、硫酸镍、硫酸铝等盐,用二氧化锰把硫酸亚铁氧化为氢氧化铁沉淀除铁,加石灰乳调节至pH≈7生成氢氧化铝沉淀除铝,加BaS生成NiS除Ni,过滤,滤液中含有硫酸锰,电解硫酸锰溶液得到MnO2,煅烧窑中碳酸锂、二氧化...
Mn-Si合金增硅量=(21.3×18.4%×80%/1000)×100% =0.313% 每吨钢水加Al-Ba–Si0.75kg,Ca-Si合金0.70kg的增硅量: Al-Ba–Si增硅量=(0.75×42%×80%/1000)×100%=0.025% Ca-Si合金增硅量=(0.7×58%×80%/1000)×100%=0.032% 因Si量不足,补加Fe-Si量: Fe-Si合金加入量=(0.40%-0.313%-0.02...
Mechanical Properties and Tensile Fracture Mechanisms of Fe–Mn–(Al, Si) TRIP/TWIP Steels with Different Ferrite Volume Fractions The mechanical properties, damage, and fracture behaviors of Fe–Mn–(Al, Si) steels containing different Mn content and volume fraction of ferrite have be... FY Don...
metals Article The Influence of Processing Conditions on Microchemistry and the Softening Behavior of Cold Rolled Al-Mn-Fe-Si Alloys Ning Wang 1,2, Ke Huang 2,3, Yanjun Li 2 and Knut Marthinsen 2,* 1 Gränges Technology AB, 612 33 Finspång, Sweden; ning.wang@granges.com 2 Department...