| 定向凝固NiAl-Cr(Mo)共晶复合材料的研究进展 |
| |
| 引用本文： | 商昭,沈军,张建飞,傅恒志.定向凝固NiAl-Cr(Mo)共晶复合材料的研究进展[J].材料导报,2011,25(9):1-5. |
| |
| 作者姓名： | 商昭 沈军 张建飞 傅恒志 |
| |
| 作者单位： | 西北工业大学凝固技术国家重点实验室; |
| |
| 基金项目： | 国家自然科学基金(51074128); 陕西省自然科学基金(2010JM6002); 西北工业大学博士论文创新基金(CX201009) |
| |
| 摘 要： | 综述了定向凝固NiAl-Cr(Mo)共晶自生复合材料的凝固组织特征和力学性能,探讨了添加微量元素如Hf、Ti和Ho等对复合材料组织和力学性能的影响。就目前合金在实际应用中的不足之处提出了改进方法,如提高温度梯度和改变合金成分,试图制备含大体积分数强化相的细密、连续、规则的层片组织以提高其综合力学性能。
|
| 关 键 词： | 定向凝固 NiAl-Cr(Mo) 层片组织 力学性能 微量元素 |
Progress in Research on Directionally Solidified NiAl-Cr(Mo) Eutectic Composite Materials |
| |
| SHANG Zhao,SHEN Jun,ZHANG Jianfei,FU Hengzhi.Progress in Research on Directionally Solidified NiAl-Cr(Mo) Eutectic Composite Materials[J].Materials Review,2011,25(9):1-5. |
| |
| Authors: | SHANG Zhao SHEN Jun ZHANG Jianfei FU Hengzhi |
| |
| Affiliation: | SHANG Zhao,SHEN Jun,ZHANG Jianfei,FU Hengzhi(State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi'an 710072) |
| |
| Abstract: | Researches on the microstructure and mechanical properties of directionally solidified NiAl-Cr(Mo) eutectic composite are reviewed,furthermore the influence on microstructure and mechanical properties of composite materials by means of adding trace elements is introduced,such as Hf,Ti,Ho and so on.In order to resolve the li-mitation of the composite used in practice,improved method is proposed,such as increasing temperature gradient and changing the alloy composition.The purpose is to prepare regular lamell... |
| |
| Keywords: | directional solidification NiAl-Cr(Mo) lamellar structure mechanical property trace element |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
