《Table 2 Experimental data of Ti3Al C2/ZA27 composites》

《Table 2 Experimental data of Ti3Al C2/ZA27 composites》   提示:宽带有限、当前游客访问压缩模式
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《Ti_3AlC_2颗粒含量对Ti_3AlC_2/ZA27复合材料性能的影响(英文)》


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*UTS:ultimate tensile strength;UBS:ultimate bending(or flexural)strength

In recent years,many works were focused on Mn+1AXn ceramics(M is a transition metal,A is a group IIIA to VIA element and X is C or N,n=1~3).It is now well known that,the A atom in MAX phases is weakly bonded to M,whereas the covalent M-X bonds are much stronger.Such a specificity endows MAX phases not only ceramic properties,but also metallic properties.In addition,weakly bonded A atom layers may be out-diffused from the MAX phase under certain conditions[8-15].As one of the typical representative of the MAX family,Ti3Al C2 phase has caught our eyes due to its good combination of specially mechanical,electrical,thermal,and chemical properties[16].Considering the Al atom broken away from Ti3Al C2,a strong chemical affinity is expected between Ti3Al C2 and molten ZA27,where Al is one of the alloying elements.Besides,compared with other reinforcements of Zn-matrix composites(ZMC),as shown in Table 1[17-19],the thermal expansion coefficient of Ti3Al C2 is closer to that of ZA27 than the others.Hence,Ti3Al C2 has a potential to be an ideal enhancement phase of ZA27 alloy.