Scab. An imperfection in the form of a shell or veneer, generally attached to the surface by sound metal. It usually has its origin in an ingot defect.
结疤。通常由钢锭缺陷引起的、附着在完好金属表面上的薄壳状或镶片状缺欠。
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Ukraine dealer told Asian Metal plagued by the economic crisis, many participants have withdrawn from indium ingot market, which leads to weak demand in the market.
From quality of melting metal, casting condition and casting equipment, the influence factors of crack in aluminium and its alloy slab ingot were analyzed, some suggestion have been drawn out.