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您的检索式：作者名="Muhammad M.SHERIF"
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| 1 | 铝合金及铝金属基复合材料搅拌摩擦焊接工艺的研究进展显示文摘焊接在汽车、航空航天、机器人、建筑等行业具有重要的作用。这些行业常用非焊接方法制造很多铝合金零部件或系统。然而,由于不可热处理合金的存在、孔隙、凝固和熔融裂纹等因素,铝合金的熔焊具有挑战性。许多制造商采用传统的空气搅拌摩擦焊(FSW)焊接合金和异质材料,也有许多研究报道关于该传统FSW技术在焊接金属和聚合物材料,尤其是铝合金和铝基复合材料方面的缺点。近年来,为了克服传统FSW技术焊接铝合金的缺点,开发出很多其他FSW技术,例如水下搅拌摩擦焊(UFSW)和振动搅拌摩擦焊(VFSW)等。本文综述了近年来铝合金及铝基复合材料(AlMMCs)搅拌摩擦焊接工艺的研究进展,讨论了传统的FSW技术和最先进的FSW工艺参数对铝合金和铝基复合材料焊接质量和强度的影响,并比较了每种方法的优缺点。VFSW在能源效率和经济成本方面具有优势,并可根据应用情况进行多种改进,是焊接铝接头的一种可行的选择。然而,目前对Al MMCs搅拌摩擦焊的研究明显较少,这应给予足够的关注。 | John VICTOR CHRISTY Abdel-Hamid ISMAIL MOURAD Muhammad M.SHERIF B.SHIVAMURTHY | 2021 | Transactions of Nonferrous Metals Society of China2021，31，11： | 11 |
| 2 | Analysis of Magnetic Resistive Flow of Generalized Brinkman Type Nanofluid Containing Carbon Nanotubes with Ramped Heating显示文摘In recent times,scientists and engineers have been most attracted to electrically conducted nanofluids due to their numerous applications in various fields of science and engineering.For example,they are used in cancer treatment(hyperthermia),magnetic resonance imaging(MRI),drugdelivery,and magnetic refrigeration(MR).Bearing in mind the significance and importance of electrically conducted nanofluids,this article aims to study an electrically conducted water-based nanofluid containing carbon nanotubes(CNTs).CNTs are of two types,single-wall carbon nanotubes(SWCNTs)and multiple-wall carbon nanotubes(MWCNTs).The CNTs(SWCNTs and MWCNTs)have been dispersed in regular water as base fluid to form waterCNTs nanofluid.The Brinkman Type nanofluid model is developed in terms of time-fractional domain.The ramped heating and sinusoidal oscillations conditions have been taken at the boundary.The model has been solved for exact analytical solutions via the fractional Laplace transform method.The exact solutions have been graphically studied to explore the physics of various pertinent flow parameters on velocity and temperature fields.The empirical results reveal that the temperature and velocity fields decreased with increasing values of fractional parameters due to variation in thermal and momentum boundary layers.It is also indicated that the isothermal velocity and temperature are higher than ramped velocity and temperature. | Muhammad Saqib Ilyas Khan Sharidan Shafie Ahmad Qushairi Mohamad El-Sayed M.Sherif | 2021 | Computers, Materials & Continua2021，，4： | 0 |
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