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METHOD OF PRODUCING COMPOSITE ALUMINIUM-BORON SHEETS

机译:复合铝硼板的生产方法

摘要

FIELD: process engineering.;SUBSTANCE: invention relates to powder metallurgy, particularly, to production of composite aluminium-boron sheets. It may be used in making hardware for nuclear, aerospace and aircraft engineering, and military equipment, including structures protecting against heat neutrons. Boron carbine and aluminium are used to make powder mix containing not over 25% of boron carbide. Note here that boron carbide-to-fine aluminium powder fraction ratio does not exceed 2:1. Prepared mix is placed in shell from aluminium-containing material, compacted and heated therein and, then, hot-rolled. Hot-rolling is carried out with reduction of, at least, 50% in first pass and 30-40% in second pass.;EFFECT: permanent joint between sheet shell with powder mix later, higher strength efficient protection.;4 cl, 2 dwg
机译:铝硼复合板的生产技术领域本发明涉及粉末冶金,尤其涉及铝硼复合板的生产。它可用于制造核能,航空航天和飞机工程以及军事设备的硬件,包括防止热中子的结构。卡宾硼和铝用于制取粉末混合物,其中碳化硼含量不超过25%。请注意,碳化硼与细铝粉的比例不超过2:1。将制备好的混合物从含铝材料放入壳中,压实并在其中加热,然后热轧。进行热轧时,第一道次轧制率至少降低50%,第二道次轧制率至少降低30-40%。效果:板壳与粉末混合后永久连接,强度得到更高的有效保护。4 cl,2 dwg

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