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| 1 | Microstructure and Mechanical Properties of Cold Metal Transfer Welding Similar and Dissimilar Aluminum Alloys显示文摘Integrating structures made from aluminum alloys in automotive industry requires a large amount of joining. As a consequence, the properties of the joints have a significant influence on the overall performance of the whole structure.Robot cold metal transfer welding is a relatively new joining technique and has been used in this work to join 6082-T4 and5182-O aluminum alloy sheets by using ER5356 and ER4043 filler metals. Microstructure characterization was performed by optical microscopy and energy dispersive X-ray spectroscopy, and the mechanical properties were measured by tensile and hardness tests. A correlation is made between welding variables, mechanical properties and the microstructure of welded joints. Results indicate that robot cold metal transfer welding provides good joint efficiency with high welding speed, good tensile strength, and ductility. Owing to the low heat input of robot cold metal transfer welding process, the heat affected zone microstructure was quite similar to base metals, and weld metal microstructure was the controlling factor of joint efficiency. The best performing were the 5182/5182 joints welded with ER5356 and these had mechanical property coefficients of 100%, 98%, and 85% for yield strength, ultimate tensile strength, and elongation, respectively. | Ahmed Elrefaey Nigel G.Ross | 2015 | Acta Metallurgica Sinica(English Letters)2015，28，6： | 8 |
| 2 | Presence of suppressor HIV-specific CD8 + T cells is associated with increased PD-I ex- pression on effector CD8 + T cells 显示文摘 | Elrefaei M Baker CA Jones NG | 2008 | J hnmunol2008，180，11： | 1 |
| 3 | Central memory CD4+ T cell responses in chronic HIV infection are not restored by antiretrovirai therapy显示文摘 | Elrefaei M McElroy M D Preas C P Hoh R Decks S Martin J Cao H | | 0，，03： | 1 |
| 4 | Evaluation of corro- sion performance of titanium/steel joint brazed by Cu-brazed filler metal显示文摘 | Elrefaey A Wojarski L Tillmann W | 2012 | J Mater Eng Perform2012，21，5： | 1 |
| 5 | Solid state diffusion bonding of titanium to steel using a copper base alloy as interlayer显示文摘 | Elrefaey A Tillmann W | 2009 | Journal of Materials Processing Technology2009，209，5： | 1 |
| 6 | Solid state diffusion bonding of tita- nium to steel using a copper base alloy as interlayer 显示文摘 | Elrefaey A Tillmann W | 2009 | Journal of Materials Processing Technology2009，209，： | 1 |
| 7 | Characterization of aluminum/steel lap joint by friction stir welding 显示文摘 | Elrefaey A Gouda M Takahashi M | 2005 | Journal of Materials Engineering and Performance2005，14，1： | 1 |
| 8 | Solid state diffusion bonding of titanium to steel using a copper base alloy as interlayer 显示文摘 | ELREFAEY A TILLMANN W | 2009 | Journal of Materials Processing Technology2009，209，： | 1 |
| 9 | TGF-beta and IL-10 production by HIV-specific CD8+ T cells is regulated by CTLA-4 signaling on CD4+ T cells 显示文摘 | Elrefaei M Burke CM Baker CA | 2009 | PLoS One2009，4，12： | 1 |
| 10 | The antioxidant properties of zinc and metallothionein显示文摘 | EBADI M LEUSCHEN M P ELREFAEY H | 1996 | Neurochemistry International1996，29，2： | 1 |
| 11 | HIV-specific TGF- beta-positive CD4+ T cells do not express regulatory surface markers and are regulated by CTLA-4 显示文摘 | Elrefaei M Burke CM Baker CA | 2010 | AIDS Res Hum Retroviruses2010，26，3： | 1 |
| 12 | Modified anthrax fusion proteins deliver HIV antigens through MHC Class I and II path- ways显示文摘 | McEvers K Elrefaei M Norris P | 2005 | Vaceine2005，23，32： | 1 |
| 13 | Charac- terization of aluminum/steel lap joint by friction stir welding显示文摘 | ELREFAEY A GOUDA M TAKAHASHI M | 2005 | Journal of Materials Engineering and Performance2005，14，1： | 1 |
| 14 | Interface Characteristics and Mechanical Properties of the Vacuum-Brazed Joint of Titanium-Steel Having a Silver-Based Brazing Alloy显示文摘 | A. Elrefaey W. Tillmann | 2007 | Metallurgical and Materials Transactions A2007，，12： | 1 |
| 15 | HCV-specific CD27- CD28- memory T cells are depleted in hepatitis C virus and Schistosoma mansoni co-infection显示文摘 | Elrefaei M El-Sheikh N Kamal K | 2003 | Immunology2003，110，4： | 1 |
| 16 | TGF-beta and IL-10 production by HIV-specific CD8+ T cells is regulated by CTLA-4 signaling on CD4+ T cells显示文摘 | Elrefaei M Burke CM Baker CA | 2009 | PLoS One2009，4，12： | 1 |
| 17 | Preliminary investigation of friction stir welding aluminum/copper lap joints 显示文摘 | Elrefaey A Takahashi M Ikeuchi K | 2005 | Weld- ing in the World2005，49，34： | 1 |
| 18 | Solid state diffusion bonding of titanium to steel using a copper base alloy as interlayer显示文摘 | Elrefaey A Tillmann W | | 0，，05： | 1 |
| 19 | Solid state diffusion bonding of titanium to steel using a copper base alloy as interlayer 显示文摘 | ELREFAEY A TILLMANN W | 2009 | Journal of Materials Processing Technology2009，209，5： | 1 |
| 20 | Toward process optimization in laser welding of metal to polymer显示文摘 | TILLMANN W ELREFAEY A WOJARSKI L | 2010 | Materialwissenschaft und Werkstofftechnik2010，41，10： | 1 |
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