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-stronger" phenomenon. Analytic results show that, with the forming of intermetallic compounds between silver and lanthanum, the 4f-state energy levels lie just below the Fermi level within 5 eV... increases with the increase of energy of incidence photon, that gives rise to the "blue-stronger" phenomenon. Key words:fluorescopy; lanthanum; intermetallic compounds; rare earths; [全文内容正在添加中] ......
parts of fusion weld and brazed seam. There is a zinc-rich zone at fusion weld toe, which consists of α(Al)-Zn solid solution and Al-Zn eutectic. The brazed seam is the Fe-Al intermetallic compounds... and galvanized steel, respectively. Key words: brazing-fusion welding; welding of dissimilar metals; hybrid welding; mechanical properties; intermetallic compounds 1 Introduction Composite structure......
, China) Abstract: In order to discuss the coupling effects on the growth behavior of intermetallic compounds (IMC) and mechanical property of joints, the Ni/AuSn/Ni (Ni-Ni) and Cu/AuSn/Ni (Cu-Ni... slow down the deterioration of mechanical property, and improve the reliability of soldering joints. Key words: AuSn solder; heterogenous interface; coupling reaction; intermetallic compounds (IMC......
substrates[J]. The Chinese Journal of Nonferrous Metals, 2007, 17(12): 1936- 1942. [5] HANG C, TIAN Y, ZHANG R. YANG D. Phase transformation and grain orientation of Cu-Sn intermetallic compounds... of intermetallic compounds at interfaces of Cu/Al joints by ultrasonic- assisted soldering[J]. Journal of Materials Processing Technology, 2015, 223: 1-7. [24] LUAN Tian-min, GUO Wei-bing, YANG Sheng-hua, MA......
界面耦合作用对Cu(Ni)/Sn-Ag-Cu/Cu(Ni)BGA焊点界面IMC形成与演化的影响李勋平1,周敏波1,夏建民1,马骁1,张新平1(1.广东省广州市华南理工大学材料科学与工程学院)摘 要:研究了焊盘材料界面耦合作用对Cu(Ni)/Sn-3.0Ag-0.5Cu/Cu(Ni)BGA(Ball Grid Array)结构焊点焊后态和125℃等温时效过程中界面金属间化合物(IMC)的成分,形貌和生长动力学的影响.结果表明.凸点下金属层(UBM)Ni界面IMC的成分与钎料中Cu含量有关,钎料中Cu含量较高时界面......
Strongly correlated intermetallic rare-earth monoaurides(Ln-Au):Ab-initio studySardar Ahmad1,2,M.Shafiq2,3,Rashid Ahmad1,2,S.Jalali-Asadabadi4,Iftikhar Ahmad2,31. Department of Chemistry,University...,University of Isfahan摘 要:In this paper, we explored the structural, elastic and mechanical properties of the strongly correlated electron systems, intermetallic......
Strongly correlated intermetallic rare-earth monoaurides(Ln-Au):Ab-initio studySardar Ahmad1,2,M.Shafiq2,3,Rashid Ahmad1,2,S.Jalali-Asadabadi4,Iftikhar Ahmad2,31. Department of Chemistry,University...,University of Isfahan摘 要:In this paper, we explored the structural, elastic and mechanical properties of the strongly correlated electron systems, intermetallic......
Effect of Zr on the Oxidation Properties of Fe3Al Intermetallic Compound P.JUZO1 (1.N)() 摘要:This review is concerned with the effect of the addition of zirconium as a third element on the heat-resisting properties of Fe3Al intermetallic compounds and explains their high-temperature oxidation mechanism. The Fe3Al and Fe3Al-0.05Zr specimens were isothermally oxidized in the temperature range......
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alloying[J]. Acta Materialia, 2001, 49(3): 395-403. [10] HU W Y, KATO T, FUKUMOTO M. Synthesis and characterization of nanocrystalline iron aluminide intermetallic compounds[J]. Materials...-spacerun: yes"> Abstract: A nanocrystalline layer was produced on the surface of Ni3Al intermetallic by means of surface......
