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| 1 | 转速对6061-T6铝合金搅拌摩擦搭接焊接头力学性能的影响(英文)显示文摘采用场发射扫描电子显微镜(FE-SEM),研究转速对厚度为5 mm的6061-T6铝合金搅拌摩擦搭接焊接头的宏观和微观组织、硬度、搭接头剪切性能和失效模式的影响。结果表明:在最低的转速度下,上模板和下模板具有十分相似的硬度分布。采用EDX分析发现,焊核区的断裂面中含有Fe的化合物。 | Firouz FADAEIFARD Khamirul Amin MATORI Meysam TOOZANDEHJANI Abdul Razak DAUD Mohd Khairol Anuar Mohd ARIFFIN Norinsan Kamil OTHMAN Farhad GHARAVI Abdul Hadi RAMZANI Farhad OSTOVAN | 2014 | Transactions of Nonferrous Metals Society of China2014，24，4： | 5 |
| 2 | Influence of welding speed on corrosion behaviour of friction stir welded AA5086 aluminium alloy显示文摘The plates of AA5086 aluminium alloy were joined together by friction stir welding at a fixed rotation speed of 1000 r/min various welding speeds ranging from 63 to 100 mm/min.Corrosion behavior of the parent alloy(PA),the heat affected zone(HAZ),and the weld nugget zone(WNZ)of the joints were studied in 3.5%(mass fraction)aerated aqueous Na Cl solution by potentiodynamic polarization and electrochemical impedance spectroscopy(EIS).The corrosion susceptibility of the weldments increases when the welding speed increases to 63 and 100 mm/min.However,the value of corrosion rate in the weldments is lower than that in the PA.Additionally,the corrosion current density increases with increasing the welding speed in the HAZ and the WNZ.On the contrary,the corrosion potential in the WNZ appears more positive than in the HAZ with decreasing the welding speed.The WNZ exhibits higher resistance compared to the HAZ and the PA as the welding speed decreases.The results obtained from the EIS measurements suggest that the weld regions have higher corrosion resistance than the parent alloy.With increasing the welding speed,the distribution and extent of the corroded areas in the WNZ region are lower than those of the HAZ region.In the HAZ region,in addition to the pits in the corroded area,some cracks can be seen around the corroded areas,which confirms that intergranular corrosion is formed in this area.The alkaline localized corrosion and the pitting corrosion are the main corrosion mechanisms in the corroded areas within the weld regions.Crystallographic pits are observed within the weld regions. | Kamran Amini Farhad Gharavi | 2016 | Journal of Central South University2016，23，6： | 5 |
| 3 | AA6061-T6合金搅拌摩擦焊搭接接头的腐蚀性能评价(英文)显示文摘采用氯化钠+过氧化氢溶液浸泡试验研究AA6061-T6铝合金搅拌摩擦焊搭接接头的腐蚀行为。采用循环动电位极化测试、扫描电子显微镜和能谱仪表征腐蚀形貌,揭示焊接区与基体合金的腐蚀机理。研究了焊接接头的显微组织和剪切强度。结果表明,与基体合金相比,焊接区在腐蚀溶液中会发生晶间腐蚀和点蚀。搭接剪切测试结果表明,所得焊接接头的拉伸剪切强度为128 MPa,超过基体合金强度的60%。电化学测试结果表明,焊核区和热影响区的保护电位比点蚀电位更负,说明焊核区与热影响区点蚀的趋势不强。基体合金抗腐蚀性比焊缝区的强,而热影响区的抗腐蚀性最差。点蚀主要源于金属间化合物边缘,因为与铝基体相比,金属间化合物的自腐蚀电位更高而成为阴极。由于焊缝区的金属间化合物增加,腐蚀电偶增加,焊缝的抗腐蚀性降低。 | Farhad GHARAVI Khamirul A.MATORI Robiah YUNUS Norinsan K.OTHMAN Firouz FADAEIFARD | 2016 | Transactions of Nonferrous Metals Society of China2016，26，3： | 2 |
| 4 | Special issues on sensor networks and applications 显示文摘 | GHARAVI H KUMAR S P | 2003 | Proceedings of the IEEE2003，91，8： | 1 |
| 5 | Nicotinamide prevents NAD+depletion and protects neurons against excitotoxicity and cerebral ischemia:NAD+ consumption by SIRT1 may endanger energetically compromised neurons显示文摘 | Lin D Gharavi R Pitta M | 2009 | Neuromolecular Med2009，11，1： | 1 |
| 6 | IgA nephropathy,the most common cause of glomerulonephritis,is linked to 6q22-23显示文摘 | Gharavi AG Yan Y Scolari F | | 0，，： | 1 |
| 7 | Anticardiolipin antibodies: isoty pe distribution and phospholipid specificity显示文摘 | Harris EN Ashcrson RA | 1987 | Ann Rhcum Dis1987，46，： | 1 |
| 8 | Aberrant IgAl gly- cosylation is inherited in familial and sporadic IgA nephropathy 显示文摘 | Gharavi AG Moldoveanu Z Wyatt RJ | 2008 | J Am Soc Nephrol2008，19，： | 1 |
| 9 | Single diode laser sensor for wide-range H2O temperature measurement显示文摘 | Buckley S G | 2004 | Applied Spectroscopy2004，58，： | 1 |
| 10 | 显示文摘 | Peng Z H Gharavi A R Yu L P | 1997 | J Am C hem SOc1997，119，20： | 1 |
| 11 | Luposclerosis:a possible pathogentic role of antipholipid antibod显示文摘 | Harris E N Gharavi A E Mackworth-Young C G | 1985 | Ann Rheum Dis1985，44，4： | 1 |
| 12 | Molecularmechanisms of human hypertension 显示文摘 | Lifton RP Gharavi AG Geller DS | 2001 | Cell2001，104，4： | 1 |
| 13 | Aberrant IgA1 glycosylation is inherited in familial and sporadic IgA nephropathy 显示文摘 | Gharavi AG Moldoveanu Z Wyatt RJ | 2008 | J Am Soc Nephrol2008，19，5： | 1 |
| 14 | Diode laser absorption spectroscopy measurement of linestrengths and pressure broadening coeffi- cients of the methane 2V3 band at elevated temperatures显示文摘 | Gharavi M Buckley S G | 2005 | Journal of Molecular Spectroscopy2005，229，： | 1 |
| 15 | Role of the cholesterol biosynthetic pathway in osteoblastic differentiation of marrow stromal cells显示文摘 | Parhami F Mody N Gharavi N | 2002 | J Bone Miner Res2002，11，： | 1 |
| 16 | Molecular mechanisms of human hypertension 显示文摘 | Lifton RP Gharavi AG Geller DS | 2001 | Celt2001，104，4： | 1 |
| 17 | The unfolded protein response is an important regulator of inflammatory genes in endothelial cells 显示文摘 | Garqalovic PS Gharavi NM Clark M J | 2006 | Arterioscler Thromb Vasc Biol2006，26，11： | 1 |
| 18 | Antiphospholipid antibodies differ in aPL cofactor requirement显示文摘 | Sammaritano LR Lockshin MD Gharavi AE | 1992 | Lupus1992，1，2： | 1 |
| 19 | The unfolded protein response is an important regulator of inflammatory genes in endothelial ceils 显示文摘 | Gargalovic PS Gharavi NM Clark M J | 2006 | Arterioscler Thromb Vase Biol2006，26，11： | 1 |
| 20 | Multihop sensor network design for wide-band communications显示文摘 | Ban K | 2003 | Proceedings of the IEEE2003，91，8： | 1 |
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