介绍以废钢和回炉料为主要炉料生产合成铸铁的熔炼条件和合成铸铁的力学性能指标。
The melting conditions and mechanical properties of the synthetic cast irons produced with steel scrap and returns as main melting charge were introduced.
在模拟熔炼条件下，对涂层进行了真空热震试验，涂层均能经受一次真空热震而涂层完好。
Thermal shock test in vacuum was done under modelling melting conditions, the coating could resistant to one time thermal shock in vacuum furnace and was in integrity.
但由于镁的化学性质活泼，非常容易氧化、燃烧，导致镁合金无法在大气条件下直接进行熔炼和浇注。
Since its chemical character is very active, Mg alloy is prone to oxidation and burning, which makes it impossible to be melted and cast in air.
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