Also, some alloys will experience excessive oxidation (e.g.dross)or other alloy degradation if held at too high a temperature, and some develop sludge if held at too low a temperature.

• 同时，如果在过高的温度下保温，某些合金会经受过度的氧化（例如，生成渣滓），或产生其它合金软化现象；如果在过低的温度下保温，某些合金会产生残渣。