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To solve the problem of unstable slurry, low density of sintered body, and high carbon residue, the effect of different resin monomer on additive manufacturing of 5052 aluminum alloy with light curing strategy was explored. It is found that different type of monomer can bring great impact to the process of additive manufacturing with light curing strategy and the properties of the following sintered product. When the aluminum slurry prepared with TMPTA or PEG400DA has viscosity higher than 30 Pa·s and settling time is more than 120 h, the formed aluminum alloy substrate has a complete structure with more pores on the surface. When the aluminum slurry prepared with PEG200DA or HDDA has viscosity less than 30 Pa·s and the settling time is less than 16 h, the formed aluminum alloy substrate has no pores on the surface, but is prone to have incomplete structure. When the aluminum slurry prepared with PS-PCL has viscosity less than 30 Pa·s, and is stable and not prone to settling, the formed substrate has a complete structure with no pores on the surface. When the aluminum slurry with solid content around 55% was prepared with PS-PCL, after additive manufacturing process and sintering, the obtained sintered product has the relative density higher than 95%, relativly lower carbon residue (0.259 17%) and relatively higher hardness (29.94HV), with obvious necking growth on the fracture.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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