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您的检索式：作者名="Ali KHOSRAVIFARD"
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| 1 | Processing of nanostructured metallic matrix composites by a modified accumulative roll bonding method with structural and mechanical considerations显示文摘Particulate reinforced metallic matrix composites have attracted considerable attention due to their lightweight,high strength,high specific modulus,and good wear resistance.AlB 4 C composite strips were produced in this work by a modified accumulative roll bonding process where the strips were rotated 90° around the normal direction between successive passes.Transmission electron microscopy and X-ray diffraction analyses reveal the development of nanostructures in the Al matrix after seven passes.It is found that the B 4 C reinforcement distribution in the matrix is improved by progression of the process.Additionally,the tensile yield strength and elongation of the processed materials are increased with the increase of passes. | Amir Hossein Yaghtin Erfan Salahinejad Ali Khosravifard | 2012 | International Journal of Minerals,Metallurgy and Materials2012，19，10： | 3 |
| 2 | 1050铝合金扭转挤压加工的3D有限元分析(英文)显示文摘研究了扭转挤压做为一种大塑性变形加工技术的可行性,并将其与普通的正挤压进行比较。在室温下对AA1050铝合金成功进行了扭转挤压和正挤压。采用商用有限元软件ABAQUS/Explicit模拟挤压过程。结果表明,在扭转挤压中,所需的载荷要比正挤压所需的小。有限元分析结果表明,在扭转挤压中,试样承受了较高的等效塑性应变,在挤压的最后阶段扭转挤压试样中的应变分布较之正挤压更为平滑,均匀。 | Ali KHOSRAVIFARD Mohammad JAHEDI Amir Hossein YAGHTIN | 2012 | Transactions of Nonferrous Metals Society of China2012，22，11： | 1 |
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