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发明授权
CN108500215B 一种微波固化水溶型芯的快速成形方法 有权

一种微波固化水溶型芯的快速成形方法
摘要：
本发明的一种微波固化水溶型芯的快速成形方法，属于铸造技术领域。本发明的方法步骤为S100、配置喷射液；S200、微滴喷射成形；S300、间歇式微波固化；S400、浸润或喷淋无机盐溶液；S500、二次间歇式微波固化；S600、烧结。本发明通过对型芯微波硬化预成型后，再对型芯进行无机盐溶液浸润、二次微波固化以及烧结，由于无机盐溶液的润湿性能极强，可以充分润湿填充预成型型芯的孔隙，并在二次微波固化过程中结晶析出无机盐，显著提高了型芯的强度。
摘要（英）：

The invention discloses a method for rapidly forming a microwave curing water-soluble core and belongs to the technical field of casting. The method disclosed by the invention comprises the followingsteps: S100, preparing a spraying solution; S200, performing droplet jetting forming; S300, performing intermittent microwave curing; S400, wetting or spraying an inorganic solution; S500, performingsecondary intermittent microwave curing; and S600, sintering. According to the method disclosed by the invention, the core is subjected to microwave hardening pre-forming and then subjected to inorganic salt solution impregnation, secondary microwave curing and sintering; and since the wetting property of the inorganic salt solution is extremely high, pores filled with the pre-formed core can be fully wetted, the inorganic salt is separated out by crystallization in the secondary intermittent microwave curing process, and the strength of the core is obviously improved.

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