研究了AlN-Al3Ti/ZL101原位复合材料的制备工艺,采用OM,SEM及TEM对该材料的微观结构进行了研究,用MTS800力性试验机测试了材料的力学性能.研究表明:在AlN-Al3Ti/ZL101原位复合材料中,尺寸约为0.5μm的Al3Ti增强相均匀弥散分布于α-Al晶粒内部,尺寸为30 nm的AlN增强相弥散分布于共晶体内部.增强体使α-Al和共晶体明显细化,起到强化作用.AlN-Al3Ti/ZL101原位复合材料中第二相在Al3Ti与α-Al之间存在共格对应关系.AlN相作为共晶硅的异质晶核使共晶Si显著细化.经热处理后,AlN-Al3Ti/ZL101复合材料的室温拉伸强度达到369 MPa,较基体材料有显著提高.
参考文献
| [1] | Chen J.K.;Beraun J.E. .A simple model for interfacial phase growth in metal matrix composites[J].Composites, Part A. Applied science and manufacturing,2000(7):727-731. |
| [2] | Hyoung Seop Kim;Mark B. Bush;Yuri Estrin .A phase mixture model of a particle reinforced composite with fine microstructure[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1/2):175-185. |
| [3] | Alena Orlová .Subgrain size in view of the composite model of dislocation structure[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1/2):281-285. |
| [4] | 赵玉厚;周敬恩;严文 .The Study of Reinforcing Mechanism of Al3Ti/ZL101 in situ Composite[J].稀有金属材料与工程,2000,29(02):75-78. |
| [5] | Su X.F.;Chen H.R.;Kennedy D. .Effects of interphase strength on the damage modes and mechanical behaviour of metal-matrix composites[J].Composites, Part A. Applied science and manufacturing,1999(3):257-266. |
| [6] | R. Barabash .X-ray and neutron scattering by different dislocation ensembles[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(0):49-54. |
| [7] | Mohles V. .Orowan process controlled dislocation glide in materials containing incoherent particles[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(0):265-269. |
| [8] | Ungar T. .Dislocation densities, arrangements and character from X-ray diffraction experiments[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(0):14-22. |
| [9] | PELLEG J;Ashkenazi D .The Influence of A Third Element on the Interface Reactions in Metal-matrix Composites l-grdaphite System[J].Materials Science and Engineering,2000,A281:239-247. |
| [10] | Chen J.K.;Beraun J.E. .A simple model for interfacial phase growth in metal matrix composites[J].Composites, Part A. Applied science and manufacturing,2000(7):727-731. |
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