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四、细化机理的某些问题关于Al-Ti和Al-Ti-B中间合金对铝晶粒的细化机理问题,虽然已发表了一些文章,但至今未得出完满的解释。如Feest博士指
Fourth, the refinement of some of the issues on the Al-Ti and Al-Ti-B master alloy aluminum grain refinement mechanism of aluminum, although some articles have been published, but so far no conclusive explanation. As Dr. Feest points out