Preparation method of ternary nano-reinforced aluminum-based composite material based on in-situ laser remelting
The invention discloses a preparation method of a ternary nano-reinforced aluminum-based composite material based on in-situ laser remelting, which comprises the following steps of: adopting a scanning strategy of in-situ laser remelting in a laser forming process to promote micron-sized TiC and ZrC...
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| creator | TANG JIAPENG XI LIXIA GU DONGDONG ZHANG DONG TIAN SONGMAO |
| description | The invention discloses a preparation method of a ternary nano-reinforced aluminum-based composite material based on in-situ laser remelting, which comprises the following steps of: adopting a scanning strategy of in-situ laser remelting in a laser forming process to promote micron-sized TiC and ZrC ceramic particles to be further melted or completely melted, and reacting to generate (Ti, Zr)-C ceramic particles in subsequent rapid solidification; zr) C ternary nano solid solution is separated out in a matrix. The ternary nano solid solutions are uniformly dispersed in a matrix and are high in distribution density, a large number of effective nucleation sites are provided, the nucleation rate is increased, meanwhile, the grain growth speed is reduced, the grain size is refined, dislocation movement can be hindered, and the dispersion strengthening effect is achieved. Compared with a micron-sized ceramic reinforced phase, the in-situ generated ternary nano solid solution is better combined with a matrix interf |
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| subjects | ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ALLOYS CASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER |
| title | Preparation method of ternary nano-reinforced aluminum-based composite material based on in-situ laser remelting |
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