Objective: To study comparatively on the effect of repeated casting on the as-cast microstructures of a precious metal ceramic alloy.
目的：观察比较反复多次铸造对贵金属烤瓷合金金相结构的影响。
The cast precious metal alloy or master alloy has been found to have a reduced number of hard spots and reduced silicon contamination when compared to conventional casting methods.
当与常规铸造方法相比时，发现铸造的贵金属合金或母合金具有数量减少的硬点和降低的硅污染。
The cast precious metal alloy or master alloy has been found to have a reduced number of hard spots and reduced silicon contamination when compared to conventional casting methods.
当与常规铸造方法相比时，发现铸造的贵金属合金或母合金具有数量减少的硬点和降低的硅污染。
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