Wu Changmao. The Investment Casting of German silver scrapper Blade Exported to the U. S. A.[J]. Special Casting & Nonferrous Alloys, 1990,(6):21-22.DOI:
出口美国白铜刮刀的铸造
摘要
生产的白铜刮刀已成功地出口美国。关键问题是用W除气剂
解决无缩气孔
令人满意的铸件。
Abstract
The german silver scrapper blade produced has exported successfully to the U. S. A. It is a swith to solve the problem that using the degassing agent W in the investment. And the castings must be close to the mon-porosity specified