The foamed pure Al was prepared by way of melt foaming process.
用熔体发泡法制备纯铝基泡沫铝。
There was no exceptional effect of rare earth on the foaming process.
结果表明：稀土对铝合金泡沫化无异常影响；
Meanwhile, the evolution of foams during the foaming process has been studied.
还研究了气泡在保温发泡阶段的演变过程。
Meanwhile, the evolution of foams during the foaming process has been studied.
还研究了气泡在保温发泡阶段的演变过程。
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