The effect of boron on the eutecticsilicon in hypoeutectic Al Si alloys has been studied withXRDand SEM. Thefindingindicatesthatboron hasastrong refining effecton eutecticsili con . AlB2 formed by boron additionto A...The effect of boron on the eutecticsilicon in hypoeutectic Al Si alloys has been studied withXRDand SEM. Thefindingindicatesthatboron hasastrong refining effecton eutecticsili con . AlB2 formed by boron additionto Al Si meltsactasthe nucleusofeutecticsilicon which leadstotherefinementofeutecticsilicon.展开更多
文摘The effect of boron on the eutecticsilicon in hypoeutectic Al Si alloys has been studied withXRDand SEM. Thefindingindicatesthatboron hasastrong refining effecton eutecticsili con . AlB2 formed by boron additionto Al Si meltsactasthe nucleusofeutecticsilicon which leadstotherefinementofeutecticsilicon.